Payload
COSMOS 661
DecayedPayloadLEO
COSMOS 661 is a Russia (CIS / former USSR) payload satellite, launched on June 21, 1974 into LEO. It has since re-entered the atmosphere.
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Launch
- Launch date
- June 21, 1974 at 09:03 AM UTC
- Launch site
- Plesetsk Cosmodrome, Russia
- Launched by
- Kosmos-3M (11K65M) →
- Operator
- Soviet Space Program
- Mission
- Tselina-O 24
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 208 km
- Periapsis
- 192 km
- Inclination
- 74.05°
- Orbital period
- 88.5 min
Spacecraft
- Operator
- Russia (CIS / former USSR)
- Launch mass
- 867.2 kg
Identity
- COSPAR (Int'l)
- 1974-045A
- NORAD catalog №
- 7339
- Object type
- Payload
- Owner / operator
Russia (CIS / former USSR)- Radar cross-section
- 4.9093 m²
- Status
- Decayed
- Decay / reentry
- August 27, 1980
End of mission
- Last active / ended
- August 27, 1980
- Time in service
- 6.2 years
- Fate
- Reentered Earth's atmosphere and was destroyed.
- Final status
- Decayed