// A–Z index
Spacecraft: U
187 spacecraft whose names begin with U. Click a column to sort; type to filter this page.
187 shown
| Spacecraft | Launched | Owner | Country | Mission type | Status |
|---|---|---|---|---|---|
| UAPSat-11998-067EK | Jan 9, 2014 | U. Alas Peruanas | Peru | Optical imaging | Reentered (orbital decay) |
| UBAKUSAT1998-067NP | Apr 2, 2018 | U. Nairobi | Kenya | Technology | Reentered (orbital decay) |
| UFO 101999-063A | Nov 23, 1999 | USN PMW 146 | United States | Communications | In orbit |
| UFO 112003-057A | Dec 18, 2003 | USN PMW 146 | United States | Communications | In orbit |
| UFO 21993-056A | Sep 3, 1993 | HCI | United States | Communications | In orbit |
| UFO 41995-003A | Jan 29, 1995 | HCI | United States | Communications | In orbit |
| UFO 51995-027A | May 31, 1995 | USN PMW 146 | United States | Communications | In orbit |
| UFO 71996-042A | Jul 25, 1996 | HCI | United States | Communications | In orbit |
| UFO 91998-058A | Oct 20, 1998 | USN PMW 146 | United States | Communications | In orbit |
| UGATUSAT2009-049E | Sep 17, 2009 | UGATU | Russia | Optical imaging | In orbit |
| Uhuru1970-107A | Dec 12, 1970 | GSFC | United States | Astronomy | Reentered (orbital decay) |
| UiTMSAT-11998-067PD | Jun 29, 2018 | UiTM | Malaysia | Technology | Reentered (orbital decay) |
| UK-DMC2003-042D | Sep 27, 2003 | BNSC | United Kingdom | Optical imaging | In orbit |
| UK-DMC 22009-041C | Jul 29, 2009 | SSTL (Astrium) | United Kingdom | Optical imaging | In orbit |
| UKube 12014-037F | Jul 8, 2014 | UKSA | United Kingdom | Technology | In orbit |
| Ulysses1990-090B | Oct 6, 1990 | ESA | European Space Agency | Deep space | Left Earth orbit for deep space |
| Umbra 012021-059AD | Jun 30, 2021 | Umbra Labs | United States | Radar imaging | Reentered (orbital decay) |
| Umbra 022022-002C | Jan 13, 2022 | Umbra Labs | United States | Radar imaging | Reentered (orbital decay) |
| Umbra 032022-057X | May 25, 2022 | Umbra Labs | United States | Radar imaging | Reentered (orbital decay) |
| Umbra 042023-001AT | Jan 3, 2023 | Umbra Labs | United States | Radar imaging | Reentered (orbital decay) |
| Umbra 052023-001AD | Jan 3, 2023 | Umbra Labs | United States | Radar imaging | Reentered (orbital decay) |
| Umbra 062023-054W | Apr 15, 2023 | Umbra Labs | United States | Radar imaging | Reentered (orbital decay) |
| Umbra 072023-174AT | Nov 11, 2023 | Umbra Labs | United States | Radar imaging | In orbit |
| Umbra 082023-174AN | Nov 11, 2023 | Umbra Labs | United States | Radar imaging | Reentered (orbital decay) |
| Umbra 102024-149CH | Aug 16, 2024 | Umbra Labs | United States | Radar imaging | In orbit |
| Umbra 112025-276CL | Nov 28, 2025 | Umbra Labs | United States | Radar imaging | In orbit |
| Umbra 122026-004J | Jan 11, 2026 | Umbra Labs | United States | Radar imaging | In orbit |
| UNAMSAT-B1996-052B | Sep 5, 1996 | UNAM | Mexico | Space science | In orbit |
| UniBRITE2013-009G | Feb 25, 2013 | U Vienna IFA | Austria | Astronomy | In orbit |
| UniCubeSat-GG2012-006J | Feb 13, 2012 | GAUSS SrI | Italy | Technology | Reentered (orbital decay) |
| UNIFORM-12014-029B | May 24, 2014 | Wakayama | Japan | Optical imaging | In orbit |
| Unisat 22002-058D | Dec 20, 2002 | Roma GAUSS | Italy | Space science | In orbit |
| Unisat 32004-025H | Jun 29, 2004 | Roma GAUSS | Italy | Technology | In orbit |
| Unisat 52013-066F | Nov 21, 2013 | GAUSS SrI | Italy | Technology | In orbit |
| UniSat 62014-033C | Jun 19, 2014 | GAUSS SrI | Italy | Technology | In orbit |
| Unisat-72021-022P | Mar 22, 2021 | GAUSS SrI | Italy | Technology | In orbit |
| UNITE1998-067PX | Dec 5, 2018 | USI Evansville | United States | Space science | Reentered (orbital decay) |
| United Kingdom Subsatellite1984-088C | Aug 16, 1984 | RAL | United Kingdom | Space science | Reentered (orbital decay) |
| Unity1998-069F | Dec 4, 1998 | NASA JSC | United States | Human spaceflight | In orbit, attached to another object |
| Universitetsky-Tatyana-22009-049D | Sep 17, 2009 | MGU | Russia | Technology | In orbit |
| UoSat-11981-100B | Oct 6, 1981 | U of Surrey | United Kingdom | Communications | Reentered (orbital decay) |
| UoSAT-121999-021A | Apr 21, 1999 | SSTL | United Kingdom | Communications | In orbit |
| UoSAT-21984-021B | Mar 1, 1984 | U of Surrey | United Kingdom | Communications | In orbit |
| UoSAT-31990-005B | Jan 22, 1990 | SSTL | United Kingdom | Communications | In orbit |
| UoSAT-41990-005C | Jan 22, 1990 | SSTL | United Kingdom | Communications | In orbit |
| UoSAT-51991-050B | Jul 17, 1991 | SSTL | United Kingdom | Communications | In orbit |
| UPM-LBSat1995-033C | Jul 7, 1995 | IDR/UPM | Spain | Microgravity | In orbit |
| Upper Atmosphere Research Satellite1991-063B | Sep 12, 1991 | GSFC | United States | Space science | Attached to another object |
| UPSat1998-067LX | Apr 18, 2017 | U Patras | Greece | Space science | Reentered (orbital decay) |
| Urdaneta-Armsat2022-057AK | May 25, 2022 | GeoCosmos | Armenia | Optical imaging | Reentered (orbital decay) |
| URESAT-12023-084BU | Jun 12, 2023 | URE | Spain | Communications | Reentered (orbital decay) |
| URSA MAIOR2017-036M | Jun 23, 2017 | Roma La Sapienza | Italy | Space science | Reentered (orbital decay) |
| USA 1131995-038A | Jul 31, 1995 | USAF SMC | United States | Communications | In orbit |
| USA 1341997-065A | Oct 25, 1997 | USAF SMC | United States | Communications | In orbit |
| USA 1482000-001A | Jan 21, 2000 | USAF SMC | United States | Communications | In orbit |
| USA 1712003-041A | Sep 9, 2003 | NRO | United States | Signals intelligence | In orbit |
| USA 1822005-016A | Apr 30, 2005 | NRO | United States | Radar imaging | Deorbited |
| USA 21984-065A | Jun 25, 1984 | NRO | United States | Optical imaging | Deorbited |
| USA 2572014-055A | Sep 17, 2014 | NRO | United States | Signals intelligence | In orbit |
| USA 31984-065C | Jun 25, 1984 | NRO | United States | Signals intelligence | In orbit |
| USA 321988-078A | Sep 5, 1988 | NRO | United States | Signals intelligence | In orbit |
| USA 3462023-140A | Sep 10, 2023 | NRO | United States | Missile early warning | In orbit |
| USA 3472023-140B | Sep 10, 2023 | NRO | United States | Missile early warning | In orbit |
| USA 3482023-140C | Sep 10, 2023 | NRO | United States | Missile early warning | In orbit |
| USA 391989-046A | Jun 14, 1989 | USAF SSD | United States | Missile early warning | In orbit |
| USA 451989-072A | Sep 6, 1989 | NRO | United States | Signals intelligence | Reentered (orbital decay) |
| USA 551990-028B | Apr 5, 1990 | DARPA | United States | Communications | In orbit |
| USA 651990-095A | Nov 13, 1990 | USAF SSD | United States | Missile early warning | In orbit |
| USA 811992-023A | Apr 25, 1992 | NRO | United States | Signals intelligence | In orbit |
| USA-1001994-016A | Mar 10, 1994 | USAF SMC | United States | Navigation | In orbit |
| USA-1171996-019A | Mar 28, 1996 | USAF SMC | United States | Navigation | In orbit |
| USA-1261996-041A | Jul 16, 1996 | USAF SMC | United States | Navigation | In orbit |
| USA-1281996-056A | Sep 12, 1996 | USAF SMC | United States | Navigation | In orbit |
| USA-1321997-035A | Jul 23, 1997 | USAF SMC | United States | Navigation | In orbit |
| USA-1351997-067A | Nov 6, 1997 | USAF SMC | United States | Navigation | In orbit |
| USA-1451999-055A | Oct 7, 1999 | USAF SMC | United States | Navigation | In orbit |
| USA-1502000-025A | May 11, 2000 | USAF SMC | United States | Navigation | In orbit |
| USA-1512000-040A | Jul 16, 2000 | USAF SMC | United States | Navigation | In orbit |
| USA-1542000-071A | Nov 10, 2000 | USAF SMC | United States | Navigation | In orbit |
| USA-1562001-004A | Jan 30, 2001 | USAF SMC | United States | Navigation | In orbit |
| USA-1582001-020A | May 18, 2001 | NRO | United States | Technology | In orbit |
| USA-1652005-011A | Apr 11, 2005 | AFRL/RV | United States | Technology | Reentered (orbital decay) |
| USA-1662003-005A | Jan 29, 2003 | USAF SMC | United States | Navigation | In orbit |
| USA-1672003-008A | Mar 11, 2003 | USAF SMC | United States | Communications | In orbit |
| USA-1682003-010A | Mar 31, 2003 | USAF SMC | United States | Navigation | In orbit |
| USA-1702003-040A | Aug 29, 2003 | USAF SMC | United States | Communications | In orbit |
| USA-1752003-058A | Dec 21, 2003 | USAF SMC | United States | Navigation | In orbit |
| USA-1762004-004A | Feb 14, 2004 | USAF SMC | United States | Missile early warning | In orbit |
| USA-1772004-009A | Mar 20, 2004 | USAF SMC | United States | Navigation | In orbit |
| USA-1782004-023A | Jun 23, 2004 | USAF SMC | United States | Navigation | In orbit |
| USA-1802004-045A | Nov 6, 2004 | USAF SMC | United States | Navigation | In orbit |
| USA-1832005-038A | Sep 26, 2005 | USAF SMC | United States | Navigation | In orbit |
| USA-1842006-027A | Jun 28, 2006 | NRO | United States | Signals intelligence | In orbit |
| USA-1902006-042A | Sep 25, 2006 | USAF SMC | United States | Navigation | In orbit |
| USA-1922006-052A | Nov 17, 2006 | USAF SMC | United States | Navigation | In orbit |
| USA-1932006-057A | Dec 14, 2006 | NRO | United States | Technology | Collided |
| USA-1952007-046A | Oct 11, 2007 | USAF SMC | United States | Communications | In orbit |
| USA-1962007-047A | Oct 17, 2007 | USAF SMC | United States | Navigation | In orbit |
| USA-1972007-054A | Nov 11, 2007 | USAF SMC | United States | Missile early warning | In orbit |
| USA-1982007-060A | Dec 10, 2007 | NRO | United States | Communications | In orbit |
| USA-1992007-062A | Dec 20, 2007 | USAF SMC | United States | Navigation | In orbit |
| USA-2002008-010A | Mar 13, 2008 | NRO | United States | Signals intelligence | In orbit |
| USA-2012008-012A | Mar 15, 2008 | USAF SMC | United States | Navigation | In orbit |
| USA-2032009-014A | Mar 24, 2009 | USAF SMC | United States | Navigation | In orbit |
| USA-2042009-017A | Apr 4, 2009 | USAF SMC | United States | Communications | In orbit |
| USA-2062009-043A | Aug 17, 2009 | USAF SMC | United States | Navigation | In orbit |
| USA-2072009-047A | Sep 8, 2009 | NRO | United States | Signals intelligence | In orbit |
| USA-2112009-068A | Dec 6, 2009 | USAF SMC | United States | Communications | In orbit |
| USA-2132010-022A | May 28, 2010 | USAF SMC | United States | Navigation | In orbit |
| USA-2142010-039A | Aug 14, 2010 | USAF MCSW | United States | Communications | In orbit |
| USA-2152010-046A | Sep 21, 2010 | NRO | United States | Radar imaging | In orbit |
| USA-2212010-062E | Nov 20, 2010 | USAF SMC | United States | Technology | In orbit |
| USA-2272011-011A | Mar 11, 2011 | NRO | United States | Communications | In orbit |
| USA-2292011-014A | Apr 15, 2011 | NRO | United States | Signals intelligence | In orbit |
| USA-2302011-019A | May 7, 2011 | USAF AFSPC | United States | Missile early warning | In orbit |
| USA-2312011-029A | Jun 30, 2011 | DoD ORS | United States | Optical imaging | Reentered (orbital decay) |
| USA-2322011-036A | Jul 16, 2011 | USAF SMC | United States | Navigation | In orbit |
| USA-2332012-003A | Jan 20, 2012 | USAF SMC | United States | Communications | In orbit |
| USA-2342012-014A | Apr 3, 2012 | NRO | United States | Radar imaging | In orbit |
| USA-2352012-019A | May 4, 2012 | USAF MCSW | United States | Communications | In orbit |
| USA-2362012-033A | Jun 20, 2012 | NRO | United States | Communications | In orbit |
| USA-2372012-034A | Jun 29, 2012 | NRO | United States | Signals intelligence | In orbit |
| USA-2392012-053A | Oct 4, 2012 | USAF SMC | United States | Navigation | In orbit |
| USA-2412013-011A | Mar 19, 2013 | USAF AFSPC | United States | Missile early warning | In orbit |
| USA-2422013-023A | May 15, 2013 | USAF SMC | United States | Navigation | In orbit |
| USA-2432013-024A | May 25, 2013 | USAF SMC | United States | Communications | In orbit |
| USA-2442013-041A | Aug 8, 2013 | USAF SMC | United States | Communications | In orbit |
| USA-2462013-050A | Sep 18, 2013 | USAF MCSW | United States | Communications | In orbit |
| USA-2472013-072A | Dec 6, 2013 | NRO | United States | Radar imaging | In orbit |
| USA-2482014-008A | Feb 21, 2014 | USAF SMC | United States | Navigation | In orbit |
| USA-2502014-020A | Apr 10, 2014 | NRO | United States | Signals intelligence | In orbit |
| USA-2512014-026A | May 17, 2014 | USAF SMC | United States | Navigation | In orbit |
| USA-2562014-045A | Aug 2, 2014 | USAF SMC | United States | Navigation | In orbit |
| USA-2582014-068A | Oct 29, 2014 | USAF SMC | United States | Navigation | In orbit |
| USA-2602015-013A | Mar 25, 2015 | USAF SMC | United States | Navigation | In orbit |
| USA-2622015-033A | Jul 15, 2015 | USAF SMC | United States | Navigation | In orbit |
| USA-2632015-036A | Jul 24, 2015 | USAF SMC | United States | Communications | In orbit |
| USA-2652015-062A | Oct 31, 2015 | USAF SMC | United States | Navigation | In orbit |
| USA-2662016-007A | Feb 5, 2016 | USAF SMC | United States | Navigation | In orbit |
| USA-2672016-010A | Feb 10, 2016 | NRO | United States | Radar imaging | In orbit |
| USA-2692016-047A | Jul 28, 2016 | NRO | United States | Communications | In orbit |
| USA-2722016-075A | Dec 7, 2016 | USAF SMC | United States | Communications | In orbit |
| USA-2732017-004A | Jan 21, 2017 | USAF AFSPC | United States | Missile early warning | In orbit |
| USA-2752017-016A | Mar 19, 2017 | USAF SMC | United States | Communications | In orbit |
| USA-2762017-022A | May 1, 2017 | NRO | United States | Technology | In orbit |
| USA-2812018-005A | Jan 12, 2018 | NRO | United States | Radar imaging | In orbit |
| USA-2822018-009A | Jan 20, 2018 | USAF AFSPC | United States | Missile early warning | In orbit |
| USA-2882018-079A | Oct 17, 2018 | USAF MCSW | United States | Communications | In orbit |
| USA-2912019-014A | Mar 16, 2019 | USAF SMC | United States | Communications | In orbit |
| USA-2922019-051A | Aug 8, 2019 | USAF MCSW | United States | Communications | In orbit |
| USA-2982020-022B | Mar 26, 2020 | USAF MCSW | United States | Communications | In orbit |
| USA-3102020-083A | Nov 13, 2020 | NRO | United States | Signals intelligence | In orbit |
| USA-3152021-042A | May 18, 2021 | USSF | United States | Missile early warning | In orbit |
| USA-3262022-009A | Feb 2, 2022 | NRO | United States | Optical imaging | In orbit |
| USA-3362022-092A | Aug 4, 2022 | USSF | United States | Missile early warning | In orbit |
| USA-3372022-073E | Jul 1, 2022 | AFRL/RV | United States | Technology | In orbit |
| USA-3532024-067A | Apr 9, 2024 | NRO | United States | Signals intelligence | In orbit |
| USA-41984-091A | Aug 28, 1984 | NRO | United States | Communications | In orbit |
| USA-471989-085A | Oct 21, 1989 | USAF SSD | United States | Navigation | In orbit |
| USA-491989-097A | Dec 11, 1989 | USAF SSD | United States | Navigation | In orbit |
| USA-501990-008A | Jan 24, 1990 | USAF SSD | United States | Navigation | In orbit |
| USA-541990-025A | Mar 26, 1990 | USAF SSD | United States | Navigation | In orbit |
| USA-5542025-173B | Aug 13, 2025 | USSF | United States | Technology | In orbit |
| USA-631990-068A | Aug 2, 1990 | USAF SSD | United States | Navigation | In orbit |
| USA-641990-088A | Oct 1, 1990 | USAF SSD | United States | Navigation | In orbit |
| USA-661990-103A | Nov 26, 1990 | USAF SSD | United States | Navigation | In orbit |
| USA-7082026-228A | Oct 2, 2026 | NRO | United States | — | — |
| USA-711991-047A | Jul 4, 1991 | USAF SSD | United States | Navigation | In orbit |
| USA-791992-009A | Feb 23, 1992 | USAF SSD | United States | Navigation | In orbit |
| USA-801992-019A | Apr 10, 1992 | USAF SSD | United States | Navigation | In orbit |
| USA-831992-039A | Jul 7, 1992 | USAF SMC | United States | Navigation | In orbit |
| USA-841992-058A | Sep 9, 1992 | USAF SMC | United States | Navigation | In orbit |
| USA-851992-079A | Nov 22, 1992 | USAF SMC | United States | Navigation | In orbit |
| USA-871992-089A | Dec 18, 1992 | USAF SMC | United States | Navigation | In orbit |
| USA-881993-007A | Feb 3, 1993 | USAF SMC | United States | Navigation | In orbit |
| USA-901993-017A | Mar 30, 1993 | USAF SMC | United States | Navigation | In orbit |
| USA-911993-032A | May 13, 1993 | USAF SMC | United States | Navigation | In orbit |
| USA-921993-042A | Jun 26, 1993 | USAF SMC | United States | Navigation | In orbit |
| USA-941993-054A | Aug 30, 1993 | USAF SMC | United States | Navigation | In orbit |
| USA-961993-068A | Oct 26, 1993 | USAF SMC | United States | Navigation | In orbit |
| USERS2002-042A | Sep 10, 2002 | USEF | Japan | Microgravity | Reentered (orbital decay) |
| UTE-Galapagos2025-313AH | Dec 28, 2025 | UTE | Ecuador | Technology | In orbit |
| UVSQ-SAT2021-006AB | Jan 24, 2021 | U Versailles SQ | France | Space science | Reentered (orbital decay) |
| UWE-12005-043C | Oct 27, 2005 | U Wurzburg | Germany | Communications | In orbit |
| UWE-22009-051D | Sep 23, 2009 | U Wurzburg | Germany | Technology | In orbit |
| UWE-32013-066AG | Nov 21, 2013 | U Wurzburg | Germany | Technology | In orbit |
| UWE-42018-111E | Dec 27, 2018 | U Wurzburg | Germany | Technology | In orbit |
Source: GCAT payload catalog (CC BY 4.0) and Wikidata (CC0).