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IRS-1B
Indian Earth observation satellite. IRS-1B was launched on August 29, 1991 aboard a Vostok 8A92M from Baikonur. Latest status in GCAT: in orbit.
COSPAR 1991-061ANORAD 21688India
Identity
- Name in GCAT
- IRS-1B
- International designator
- 1991-061A
- NORAD catalog number
- 21688
- GCAT identifier
- S21688
- UN registration
- ST/SG/SER.E/246
Mission
- Mission type
- Optical imaging
- Use
- Civil government
- Program
- IRS
- Owner
- ISRO
- Country
- India
- Builder
- Indian Space Research Organization
- Platform (bus)
- IRS
Launch
- Date
- August 29, 1991 · 06:48 UTC
- Launch record
- 1991-061Success
- Rocket
- Vostok 8A92M
- Spaceport
- Baikonur · pad LC31
Orbit and fate
- Orbit class (GCAT)
- LEO/S
- Perigee
- 893 km
- Apogee
- 920 km
- Inclination
- 99.14°
- Status
- In orbit
- Last known active
- September 2022
- End of operations
- Dec 20, 2003
Size
- Mass
- 990 kg
- Dry mass
- 960 kg
- Length
- 1.6 m
- Diameter
- 1.10 m
- Span
- 12.0 m
Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q14290893 (CC0).