Payload
COSMOS 991
activePayloadLEO
COSMOS 991 is a Russia (CIS / former USSR) payload satellite, launched on February 28, 1978 into LEO.
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Launch
- Launch date
- February 28, 1978 at 06:43 AM UTC
- Launch site
- Plesetsk Cosmodrome, Russia
- Launched by
- Kosmos-3M (11K65M) →
- Operator
- Soviet Space Program
- Mission
- Parus 13
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 1,002 km
- Periapsis
- 950 km
- Inclination
- 82.99°
- Orbital period
- 104.61 min
Spacecraft
- Operator
- Russia (CIS / former USSR)
- Launch mass
- 802.78 kg
Identity
- COSPAR (Int'l)
- 1978-022A
- NORAD catalog №
- 10692
- Object type
- Payload
- Owner / operator
Russia (CIS / former USSR)- Radar cross-section
- 2.0174 m²
- Status
- active