Payload
EXPLORER 51 (AE-C)
DecayedPayloadLEO
EXPLORER 51 (AE-C) is a United States payload satellite, launched on December 16, 1973 into LEO. It has since re-entered the atmosphere.
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Launch
- Launch date
- December 16, 1973 at 06:18 AM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Delta 1900 →
- Operator
- United States Air Force
- Mission
- AE-C
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 177 km
- Periapsis
- 176 km
- Inclination
- 67.94°
- Orbital period
- 88.02 min
Spacecraft
- Operator
- United States
- Launch mass
- 485.63 kg
Identity
- COSPAR (Int'l)
- 1973-101A
- NORAD catalog №
- 6977
- Object type
- Payload
- Owner / operator
United States- Radar cross-section
- 6.488 m²
- Status
- Decayed
- Decay / reentry
- December 12, 1978
End of mission
- Last active / ended
- December 12, 1978
- Time in service
- 5.0 years
- Fate
- Reentered Earth's atmosphere and was destroyed.
- Final status
- Decayed