Payload
IRS-1B
NonoperationalPayloadLEONORAD 21688
IRS-1B is a India payload satellite, launched on August 29, 1991 into LEO.
Launch
- Launch date
- August 29, 1991 at 06:48 AM UTC
- Launch site
- Baikonur Cosmodrome, Kazakhstan
- Launched by
- Vostok 8A92M →
- Operator
- Soviet Space Program
- Mission
- IRS-1B
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 919 km
- Periapsis
- 883 km
- Inclination
- 99.41°
- Orbital period
- 103.01 min
Spacecraft
- Operator
- India
- Launch mass
- 966.3 kg
- Dimensions
- 1.56 × 1.1 × 1.1 m
Identity
- COSPAR (Int'l)
- 1991-061A
- NORAD catalog №
- 21688
- Object type
- Payload
- Owner / operator
India
- Radar cross-section
- 3.6711 m²
- Status
- Nonoperational
End of mission
- Fate
- No longer operational — remains in orbit as inactive.
- Final status
- Nonoperational