// A–Z index
Spacecraft: I
342 spacecraft whose names begin with I. Click a column to sort; type to filter this page.
342 shown
| Spacecraft | Launched | Owner | Country | Mission type | Status |
|---|---|---|---|---|---|
| IBSS-SPAS1991-031B | Apr 28, 1991 | SDIO | United States | Missile early warning | Attached to another object |
| IceCube1998-067LN | Apr 18, 2017 | GSFC | United States | Technology | Reentered (orbital decay) |
| ICESat2003-002A | Jan 13, 2003 | GSFC | United States | Space science | Reentered (orbital decay) |
| ICESat-22018-070A | Sep 15, 2018 | GSFC | United States | Space science | In orbit |
| ICEYE X12018-004D | Jan 12, 2018 | ICEYE | Finland | Radar imaging | Reentered (orbital decay) |
| ICO G12008-016A | Apr 14, 2008 | ICO North America | United States | Communications | Renamed |
| ICON2019-068A | Oct 11, 2019 | GSFC | United States | Space science | In orbit |
| ICOR-SV2026-046A | Mar 12, 2026 | LMSS Denver | United States | Technology | Reentered (orbital decay) |
| iCube-12013-066S | Nov 21, 2013 | IST | Pakistan | Technology | In orbit |
| ICUBE-Q2024-083C | May 3, 2024 | IST | Pakistan | Deep space | Left for deep space attached to another object |
| IDCSP 1-11966-053B | Jun 16, 1966 | USAF SSD | United States | Communications | In orbit |
| IDCSP 1-21966-053C | Jun 16, 1966 | USAF SSD | United States | Communications | In orbit |
| IDCSP 1-31966-053D | Jun 16, 1966 | USAF SSD | United States | Communications | In orbit |
| IDCSP 1-41966-053E | Jun 16, 1966 | USAF SSD | United States | Communications | In orbit |
| IDCSP 1-51966-053F | Jun 16, 1966 | USAF SSD | United States | Communications | In orbit |
| IDCSP 1-61966-053G | Jun 16, 1966 | USAF SSD | United States | Communications | In orbit |
| IDCSP 1-71966-053H | Jun 16, 1966 | USAF SSD | United States | Communications | In orbit |
| IDEASSat2021-006AX | Jan 24, 2021 | NCU | Taiwan | Space science | Reentered (orbital decay) |
| IGS Optical 5 Demo2013-002B | Jan 27, 2013 | CSICE | Japan | Optical imaging | Reentered (orbital decay) |
| IGS Radar 42013-002A | Jan 27, 2013 | CSICE | Japan | Radar imaging | In orbit |
| IKAROS2010-020E | May 20, 2010 | JAXA | Japan | Technology | Left Earth orbit for deep space |
| Ikonos1999-051A | Sep 24, 1999 | SpaceIm | United States | Optical imaging | In orbit |
| IMAGE2000-017A | Mar 25, 2000 | GSFC | United States | Space science | In orbit |
| Imaging X-ray Polarimetry Explorer2021-121A | Dec 9, 2021 | NASA MSFC | United States | Astronomy | In orbit |
| IMS-12008-021D | Apr 28, 2008 | ISRO | India | Optical imaging | In orbit |
| IndoStar-11997-071B | Nov 12, 1997 | Indostar | Indonesia | Communications | In orbit |
| Inflatable Antenna Experiment1996-032C | May 19, 1996 | JPL | United States | Technology | Reentered (orbital decay) |
| InflateSail2017-036F | Jun 23, 2017 | Surrey Space Ctr | United Kingdom | Space science | Reentered (orbital decay) |
| Informator-11991-006A | Jan 29, 1991 | MGON | Soviet Union | Communications | In orbit |
| Infrared Space Observatory1995-062A | Nov 17, 1995 | ESA | European Space Agency | Astronomy | In orbit |
| Ingenuity2020-052A | Jul 30, 2020 | NASA | United States | — | Released |
| Injun 31962 B TAU 2 | Dec 13, 1962 | NRL | United States | Space science | Reentered (orbital decay) |
| Injun 41964-076B | Nov 21, 1964 | NASA LaRC | United States | Space science | In orbit |
| Injun 51968-066B | Aug 8, 1968 | NASA LaRC | United States | Space science | In orbit |
| Injun 61974-040A | Jun 3, 1974 | NASA LaRC | United States | Space science | Reentered (orbital decay) |
| Inmarsat 2-F11990-093A | Oct 30, 1990 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat 2-F21991-018A | Mar 8, 1991 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat 2-F31991-084B | Dec 16, 1991 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat 2-F41992-021B | Apr 15, 1992 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat 3-F21996-053A | Sep 6, 1996 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat 3-F31996-070A | Dec 18, 1996 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat 3-F51998-006B | Feb 4, 1998 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat 4-F22005-044A | Nov 8, 2005 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-3 F11996-020A | Apr 3, 1996 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat-3 F41997-027A | Jun 3, 1997 | INMARSAT | INMARSAT (intergovernmental) | Communications | Renamed |
| Inmarsat-4 F12005-009A | Mar 11, 2005 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-4 F32008-039A | Aug 18, 2008 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-4A F42013-038A | Jul 25, 2013 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-5 F12013-073A | Dec 8, 2013 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-5 F22015-005A | Feb 1, 2015 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-5 F32015-042A | Aug 28, 2015 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-5 F42017-025A | May 15, 2017 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-5 F52019-080B | Nov 26, 2019 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-6 F12021-128A | Dec 22, 2021 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| Inmarsat-6 F22023-022A | Feb 18, 2023 | INMARSAT-Ltd | United Kingdom | Communications | In orbit |
| INSAT-1A1982-031A | Apr 10, 1982 | ISRO | India | Communications | In orbit |
| INSAT-1B1983-089B | Aug 30, 1983 | ISRO | India | Communications | In orbit |
| INSAT-1C1988-063A | Jul 21, 1988 | ISRO | India | Communications | In orbit |
| INSAT-1D1990-051A | Jun 12, 1990 | ISRO | India | Communications | In orbit |
| INSAT-2A1992-041A | Jul 9, 1992 | ISRO | India | Communications | In orbit |
| INSAT-2B1993-048B | Jul 22, 1993 | ISRO | India | Communications | In orbit |
| INSAT-2C1995-067B | Dec 6, 1995 | ISRO | India | Communications | In orbit |
| INSAT-2D1997-027B | Jun 3, 1997 | ISRO | India | Communications | In orbit |
| INSAT-2DT1992-010B | Feb 26, 1992 | Arabsat | Arabsat (Arab League) | Communications | Renamed |
| INSAT-2E1999-016A | Apr 2, 1999 | ISRO | India | Communications | In orbit |
| INSAT-3A2003-013A | Apr 9, 2003 | ISRO | India | Communications | In orbit |
| INSAT-3B2000-016B | Mar 21, 2000 | ISRO | India | Communications | In orbit |
| INSAT-3C2002-002A | Jan 23, 2002 | ISRO | India | Communications | In orbit |
| INSAT-3D2013-038B | Jul 25, 2013 | ISRO | India | Meteorology | In orbit |
| INSAT-3DR2016-054A | Sep 8, 2016 | ISRO | India | Meteorology | In orbit |
| INSAT-3DS2024-033A | Feb 17, 2024 | ISRO | India | Meteorology | In orbit |
| INSAT-3E2003-043E | Sep 27, 2003 | ISRO | India | Communications | In orbit |
| INSAT-4A2005-049A | Dec 21, 2005 | ISRO | India | Communications | In orbit |
| INSAT-4B2007-007A | Mar 11, 2007 | ISRO | India | Communications | In orbit |
| INSAT-4CR2007-037A | Sep 2, 2007 | ISRO | India | Communications | In orbit |
| INSAT-4E2015-041A | Aug 27, 2015 | ISRO | India | Communications | In orbit |
| InSight2018-042A | May 5, 2018 | JPL | United States | Deep space | Left Earth orbit for deep space |
| Inspektor1997-058D | Oct 5, 1997 | DASA-RI | Germany | Technology | Reentered (orbital decay) |
| Inspiration42021-084A | Sep 16, 2021 | SpaceX | United States | Human spaceflight | Landed |
| INSPIRE-Sat 72023-054AK | Apr 15, 2023 | LATMOS | France | Space science | Reentered (orbital decay) |
| Intasat1974-089C | Nov 15, 1974 | INTA | Spain | Space science | In orbit |
| INTEGRAL2002-048A | Oct 17, 2002 | ESA | European Space Agency | Astronomy | Left Earth orbit for deep space |
| Intelsat 102001-019A | May 15, 2001 | Panamsat | United States | Communications | Renamed |
| Intelsat 10-022004-022A | Jun 16, 2004 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 112007-044B | Oct 5, 2007 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 122000-068A | Oct 29, 2000 | EuropeStar | United Kingdom | Communications | Renamed |
| Intelsat 142009-064A | Nov 23, 2009 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 152009-067A | Nov 30, 2009 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 162010-006A | Feb 12, 2010 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 172010-065B | Nov 26, 2010 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 182011-056A | Oct 5, 2011 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 192012-030A | Jun 1, 2012 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 1R2000-072A | Nov 16, 2000 | Panamsat | United States | Communications | Renamed |
| Intelsat 21994-040A | Jul 8, 1994 | Panamsat | United States | Communications | Renamed |
| Intelsat 202012-043A | Aug 2, 2012 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 212012-045A | Aug 19, 2012 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 222012-011A | Mar 25, 2012 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 232012-057A | Oct 14, 2012 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 241996-030B | May 16, 1996 | IAI Spacecom | Israel | Communications | Renamed |
| Intelsat 252008-034A | Jul 7, 2008 | ProtostarLtd | Bermuda | Communications | Renamed |
| Intelsat 261997-007A | Feb 17, 1997 | JSAT | Japan | Communications | Renamed |
| Intelsat 282011-016A | Apr 22, 2011 | New Dawn | Mauritius | Communications | Renamed |
| Intelsat 29e2016-004A | Jan 27, 2016 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 302014-062A | Oct 16, 2014 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 312016-035A | Jun 9, 2016 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 33e2016-053B | Aug 24, 2016 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 342015-039A | Aug 20, 2015 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 35e2017-041A | Jul 5, 2017 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 362016-053A | Aug 24, 2016 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 37e2017-059A | Sep 29, 2017 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 392019-049B | Aug 6, 2019 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 3R1996-002A | Jan 12, 1996 | Panamsat | United States | Communications | Renamed |
| Intelsat 40e2023-052A | Apr 7, 2023 | Intelsat SA (US) | United States | Communications | In orbit |
| Intelsat 51997-046A | Aug 28, 1997 | Panamsat | United States | Communications | Renamed |
| Intelsat 6011991-075A | Oct 29, 1991 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 6021989-087A | Oct 27, 1989 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 6031990-021A | Mar 14, 1990 | INTELSAT | INTELSAT (intergovernmental) | Communications | Grappled by another object |
| Intelsat 6041990-056A | Jun 23, 1990 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 6051991-055A | Aug 14, 1991 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 6B1998-075A | Dec 22, 1998 | Panamsat | United States | Communications | Renamed |
| Intelsat 71998-052A | Sep 16, 1998 | Panamsat | United States | Communications | Renamed |
| Intelsat 7011993-066A | Oct 22, 1993 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 7021994-034A | Jun 17, 1994 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 7041995-001A | Jan 10, 1995 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 7051995-013A | Mar 22, 1995 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 7061995-023A | May 17, 1995 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 7071996-015A | Mar 14, 1996 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 7091996-035A | Jun 15, 1996 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 81998-065A | Nov 4, 1998 | Panamsat | United States | Communications | Renamed |
| Intelsat 8011997-009A | Mar 1, 1997 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 8021997-031A | Jun 25, 1997 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 8041997-083A | Dec 22, 1997 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 8051998-037A | Jun 18, 1998 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 92000-043A | Jul 28, 2000 | Panamsat | United States | Communications | Renamed |
| Intelsat 9012001-024A | Jun 9, 2001 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat 9022001-039A | Aug 30, 2001 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 9032002-016A | Mar 30, 2002 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 9042002-007A | Feb 23, 2002 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 9052002-027A | Jun 5, 2002 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 9062002-041A | Sep 6, 2002 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat 9072003-007A | Feb 15, 2003 | Intelsat Ltd (US) | United States | Communications | In orbit |
| Intelsat I1965-028A | Apr 6, 1965 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat II F-11966-096A | Oct 26, 1966 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat II F-21967-001A | Jan 11, 1967 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat II F-31967-026A | Mar 23, 1967 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat II F-41967-094A | Sep 28, 1967 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat III F-21968-116A | Dec 19, 1968 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat III F-31969-011A | Feb 6, 1969 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat III F-41969-045A | May 22, 1969 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat III F-51969-064A | Jul 26, 1969 | INTELSAT | INTELSAT (intergovernmental) | Communications | Reentered (orbital decay) |
| Intelsat III F-61970-003A | Jan 15, 1970 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat III F-71970-032A | Apr 23, 1970 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat III F-81970-055A | Jul 23, 1970 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IV F-11975-042A | May 22, 1975 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IV F-21971-006A | Jan 26, 1971 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IV F-31971-116A | Dec 20, 1971 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IV F-41972-003A | Jan 23, 1972 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IV F-51972-041A | Jun 13, 1972 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IV F-71973-058A | Aug 23, 1973 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IV F-81974-093A | Nov 21, 1974 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IVA F-11975-091A | Sep 26, 1975 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IVA F-21976-010A | Jan 29, 1976 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IVA F-31978-002A | Jan 7, 1978 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IVA F-41977-041A | May 26, 1977 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat IVA F-61978-035A | Mar 31, 1978 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat K1992-032A | Jun 10, 1992 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-11981-050A | May 23, 1981 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-21980-098A | Dec 6, 1980 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-31981-119A | Dec 15, 1981 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-41982-017A | Mar 5, 1982 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-51982-097A | Sep 28, 1982 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-61983-047A | May 19, 1983 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-71983-105A | Oct 19, 1983 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-81984-023A | Mar 5, 1984 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat V F-91984-057A | Jun 9, 1984 | INTELSAT | INTELSAT (intergovernmental) | Communications | Deorbited |
| Intelsat VA F-101985-025A | Mar 22, 1985 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat VA F-111985-055A | Jun 30, 1985 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat VA F-121985-087A | Sep 28, 1985 | INTELSAT | INTELSAT (intergovernmental) | Communications | Renamed |
| Intelsat-32e2017-007B | Feb 14, 2017 | DirecTV LatinA | United States | Communications | In orbit |
| Inter-orbit Communication System-Exposed Facility1998-067RJ | Jul 15, 2009 | JAXA | Japan | Technology | Attached to another object |
| Interball Auroral Probe1996-050C | Aug 29, 1996 | IKI | Russia | Space science | In orbit |
| Interball-11995-039A | Aug 2, 1995 | IKI | Russia | Space science | Left Earth orbit for deep space |
| Intercosmos 151976-056A | Jun 19, 1976 | IK | Soviet Union | Technology | Reentered (orbital decay) |
| Intercosmos 171977-096A | Sep 24, 1977 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Intercosmos 181978-099A | Oct 24, 1978 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Intercosmos 191979-020A | Feb 27, 1979 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Intercosmos 21969-110A | Dec 25, 1969 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Intercosmos 201979-096A | Nov 1, 1979 | IK | Soviet Union | Earth science | Reentered (orbital decay) |
| Intercosmos 211981-011A | Feb 6, 1981 | IK | Soviet Union | Earth science | Reentered (orbital decay) |
| Intercosmos 241989-080A | Sep 28, 1989 | IK | Soviet Union | Space science | In orbit |
| Intercosmos 61972-027A | Apr 7, 1972 | TsKBEM Fil. 3 | Soviet Union | Space science | Landed |
| Intercosmos 81972-094A | Nov 30, 1972 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Interface Region Imaging Spectrograph2013-033A | Jun 28, 2013 | ARC | United States | Astronomy | In orbit |
| Interkosmos 11969-088A | Oct 14, 1969 | IK | Soviet Union | Astronomy | Reentered (orbital decay) |
| Interkosmos 101973-082A | Oct 30, 1973 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Interkosmos 111974-034A | May 17, 1974 | IK | Soviet Union | Astronomy | Reentered (orbital decay) |
| Interkosmos 121974-086A | Oct 31, 1974 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Interkosmos 131975-022A | Mar 27, 1975 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Interkosmos 141975-115A | Dec 11, 1975 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Interkosmos 161976-076A | Jul 27, 1976 | IKI | Soviet Union | Astronomy | Reentered (orbital decay) |
| Interkosmos 31970-057A | Aug 7, 1970 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Interkosmos 41970-084A | Oct 14, 1970 | IK | Soviet Union | Astronomy | Reentered (orbital decay) |
| Interkosmos 51971-104A | Dec 2, 1971 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| Interkosmos 71972-047A | Jun 30, 1972 | IK | Soviet Union | Astronomy | Reentered (orbital decay) |
| Interkosmos 91973-022A | Apr 19, 1973 | IK | Soviet Union | Space science | Reentered (orbital decay) |
| International Cometary Explorer1978-079A | Aug 12, 1978 | GSFC | United States | Deep space | Left Earth orbit for deep space |
| International Space Station1998-067A | Nov 20, 1998 | NASA JSC | United States | Human spaceflight | Grappled by another object |
| International Ultraviolet Explorer1978-012A | Jan 26, 1978 | GSFC | United States | Astronomy | In orbit |
| Interstage Adapter Satellite1994-004C | Jan 25, 1994 | BMDO | United States | Space science | Reentered (orbital decay) |
| Interstellar Boundary Explorer2008-051A | Oct 19, 2008 | GSFC | United States | Astronomy | Left Earth orbit for deep space |
| Interstellar Mapping and Acceleration Probe2025-215A | Sep 24, 2025 | APL | United States | Space science | Left Earth orbit for deep space |
| Intrepid1969-099C | Nov 14, 1969 | MSC | United States | Human spaceflight | Left Earth orbit for deep space |
| Intrepid1969-U02 | Nov 20, 1969 | NASA | United States | — | Undocked |
| Intruder 112012-048A | Sep 13, 2012 | NRO | United States | Signals intelligence | In orbit |
| Intruder 122012-048P | Sep 13, 2012 | NRO | United States | Signals intelligence | In orbit |
| Intruder 132015-058A | Oct 8, 2015 | NRO | United States | Signals intelligence | In orbit |
| Intruder 142015-058R | Oct 8, 2015 | NRO | United States | Signals intelligence | In orbit |
| Intuitive Machines-12024-030A | Feb 15, 2024 | Intuitive Mach. | United States | Deep space | Left Earth orbit for deep space |
| Intuitive Machines-22025-038A | Feb 27, 2025 | Intuitive Mach. | United States | Deep space | Left Earth orbit for deep space |
| INVADER2014-009F | Feb 27, 2014 | Tama | Japan | Education | Reentered (orbital decay) |
| Ion Release Module1984-088B | Aug 16, 1984 | DFVLR | Germany | Space science | Reentered (orbital decay) |
| ION-MK012020-061C | Sep 3, 2020 | D-ORBIT | Italy | Technology | Reentered (orbital decay) |
| IRAS1983-004A | Jan 26, 1983 | JPL | United States | Astronomy | In orbit |
| Iridium 101997-030D | Jun 18, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 1002017-061B | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1022017-003D | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1032017-003B | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1042017-003F | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1052017-003E | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1062017-003A | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1072017-061F | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1082017-003H | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1092017-003C | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1112017-003K | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1122017-003J | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1132017-039A | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1142017-003G | Jan 14, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1152017-039D | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1162017-083C | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1172017-039F | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1182017-039E | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1192017-061E | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 11A1998-074B | Dec 19, 1998 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 121997-030B | Jun 18, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 1202017-039C | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1212017-039K | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1222017-061C | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1232017-039B | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1242017-039H | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1252017-061K | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1262017-039G | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1282017-039J | Jun 25, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1292017-061D | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 131997-030E | Jun 18, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 1302017-083D | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1312017-083K | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1322017-061G | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1332017-061A | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1342017-083F | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1352017-083A | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1362017-061H | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1372017-083G | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1382017-083B | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1392017-061J | Oct 9, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1402018-030D | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1412017-083H | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1422018-030H | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1432018-030K | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1442018-030A | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1452018-030E | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1462018-030F | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1482018-030G | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1492018-030B | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 14A1999-032A | Jun 11, 1999 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 151997-034A | Jul 9, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 1502018-030J | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 1512017-083E | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1532017-083J | Dec 23, 2017 | Iridium | United States | Communications | In orbit |
| Iridium 1572018-030C | Mar 30, 2018 | Iridium | United States | Communications | In orbit |
| Iridium 161997-030F | Jun 18, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 171997-034B | Jul 9, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 181997-034D | Jul 9, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 20A1998-074A | Dec 19, 1998 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 21A1999-032B | Jun 11, 1999 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 221997-043E | Aug 21, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 231997-043D | Aug 21, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 241997-043C | Aug 21, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 251997-043B | Aug 21, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 261997-043A | Aug 21, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 331997-051C | Sep 14, 1997 | Iridium | United States | Communications | Collided |
| Iridium 41997-020E | May 5, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 461997-082B | Dec 20, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 51997-020D | May 5, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 61997-020C | May 5, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 71997-020B | May 5, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 771998-051E | Sep 8, 1998 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 781998-048A | Aug 19, 1998 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 81997-020A | May 5, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 871998-066A | Nov 6, 1998 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 91997-030C | Jun 18, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iridium 9111997-030G | Jun 18, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 9141997-030A | Jun 18, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 9201997-034C | Jul 9, 1997 | Iridium | United States | Communications | In orbit |
| Iridium 9211997-034E | Jul 9, 1997 | Iridium | United States | Communications | Reentered (orbital decay) |
| Iris2024-006 | Jan 8, 2024 | Astrobotic | United States | — | Reentered attached to another object |
| IRNSS-1A2013-034A | Jul 1, 2013 | ISRO | India | Navigation | In orbit |
| IRNSS-1B2014-017A | Apr 4, 2014 | ISRO | India | Navigation | In orbit |
| IRNSS-1C2014-061A | Oct 15, 2014 | ISRO | India | Navigation | In orbit |
| IRNSS-1D2015-018A | Mar 28, 2015 | ISRO | India | Navigation | In orbit |
| IRNSS-1E2016-003A | Jan 20, 2016 | ISRO | India | Navigation | In orbit |
| IRNSS-1F2016-015A | Mar 10, 2016 | ISRO | India | Navigation | In orbit |
| IRNSS-1G2016-027A | Apr 28, 2016 | ISRO | India | Navigation | In orbit |
| IRNSS-1H2017-051A | Aug 31, 2017 | ISRO | India | Navigation | Reentered attached to another object |
| IRNSS-1I2018-035A | Apr 11, 2018 | ISRO | India | Navigation | In orbit |
| IRS-1A1988-021A | Mar 17, 1988 | ISRO | India | Optical imaging | In orbit |
| IRS-1B1991-061A | Aug 29, 1991 | ISRO | India | Optical imaging | In orbit |
| IRS-1C1995-072A | Dec 28, 1995 | ISRO | India | Optical imaging | In orbit |
| IRS-1D1997-057A | Sep 29, 1997 | ISRO | India | Optical imaging | In orbit |
| IRS-P21994-068A | Oct 15, 1994 | ISRO | India | Optical imaging | In orbit |
| IRS-P31996-017A | Mar 21, 1996 | ISRO | India | Optical imaging | In orbit |
| IRVINE012018-088D | Nov 11, 2018 | IPSF | United States | Technology | Reentered (orbital decay) |
| IRVINE022018-099W | Dec 3, 2018 | SPAWAR | United States | Calibration | In orbit |
| ISAT2018-111D | Dec 27, 2018 | iSky | Czechia | Communications | Reentered (orbital decay) |
| ISEE-11977-102A | Oct 22, 1977 | GSFC | United States | Space science | Reentered (orbital decay) |
| ISEE-21977-102B | Oct 22, 1977 | ESA | European Space Agency | Space science | Reentered (orbital decay) |
| ISIS-11969-009A | Jan 30, 1969 | CRC | Canada | Space science | In orbit |
| ISIS-21971-024A | Apr 1, 1971 | CRC | Canada | Space science | In orbit |
| ISKRA 21982-033C | Apr 19, 1982 | MAI Moskva | Soviet Union | Communications | Reentered (orbital decay) |
| Iskra 31982-033AD | Oct 31, 1982 | MAI Moskva | Soviet Union | Communications | Transferred to another vehicle |
| Iskra-MAI-852017-042C | Jul 14, 2017 | MAI Moskva | Russia | Technology | In orbit |
| ISS 11976-019A | Feb 29, 1976 | NASDA | Japan | Space science | In orbit |
| ISS-B1978-018A | Feb 16, 1978 | NASDA | Japan | Space science | In orbit |
| ISTSat-12024-128D | Jul 9, 2024 | IST Lisboa | Portugal | Technology | In orbit |
| Italsat 11991-003A | Jan 15, 1991 | ASI | Italy | Communications | In orbit |
| Italsat 21996-044A | Aug 8, 1996 | ASI | Italy | Communications | In orbit |
| Italy-OSCAR 1172022-080B | Jul 13, 2022 | ENEA | Italy | Biology | In orbit |
| ITAMSAT1993-061D | Sep 26, 1993 | Satellife | United States | Communications | Renamed |
| ITASat-12018-099AE | Dec 3, 2018 | ITA | Brazil | Technology | In orbit |
| ITF-12014-009B | Feb 27, 2014 | Tsukuba U | Japan | Technology | Reentered (orbital decay) |
| ITF-21998-067KU | Dec 9, 2016 | Tsukuba U | Japan | Technology | Reentered (orbital decay) |
| ITUpSAT12009-051E | Sep 23, 2009 | ITU SSDTL | Türkiye | Optical imaging | In orbit |
| İMECE2023-054A | Apr 15, 2023 | TUBITAK-UZAY | Türkiye | Optical imaging | In orbit |
Source: GCAT payload catalog (CC BY 4.0) and Wikidata (CC0).