Payload
USA 21
activePayloadHEO
USA 21 is a United States payload satellite, launched on February 12, 1987 into HEO.
Loading…
Launch
- Launch date
- February 12, 1987 at 06:40 AM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Titan 34B →
- Operator
- United States Air Force
- Mission
- Quasar 7
- Launch record
- View full launch →
Orbit
- Orbit regime
- HEO
- Apoapsis
- 39,367 km
- Periapsis
- 836 km
- Inclination
- 62.97°
- Orbital period
- 714.7 min
Spacecraft
- Operator
- United States
- Launch mass
- 800 kg
Identity
- COSPAR (Int'l)
- 1987-015A
- NORAD catalog №
- 17506
- Object type
- Payload
- Owner / operator
United States- Status
- active