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Payload
OPS 5268 (CALSPHERE 4)
Decayed
Payload
LEO
A catalogued spacecraft payload.
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Launch
Launch date
February 17, 1971 at 03:52 AM UTC
Launch site
Vandenberg SFB, USA
Launched by
Thor Burner 2 →
Operator
United States Air Force
Mission
DSAP-5A F3
Launch record
View full launch →
Orbit
Orbit regime
LEO
Apoapsis
219 km
Periapsis
204 km
Inclination
98.39°
Orbital period
88.73 min
Identity
COSPAR (Int'l)
1971-012D
NORAD catalog №
4958
Object type
Payload
Owner / operator
United States
Radar cross-section
0.2294 m²
Status
Decayed
Decay / reentry
September 20, 1989
End of mission
Last active / ended
September 20, 1989
Time in service
18.6 years
Fate
Reentered Earth's atmosphere and was destroyed.
Final status
Decayed