Payload
USA 55
activePayloadLEO
USA 55 is a United States payload satellite, launched on April 5, 1990 into LEO.
Loading…
Launch
- Launch date
- April 5, 1990 at 07:10 PM UTC
- Launch site
- Vandenberg SFB, USA
- Launched by
- Pegasus →
- Operator
- Orbital Sciences Corporation
- Launch record
- View full launch →
Orbit
- Orbit regime
- LEO
- Apoapsis
- 473 km
- Periapsis
- 396 km
- Inclination
- 94.09°
- Orbital period
- 93.26 min
Spacecraft
- Operator
- United States
- Launch mass
- 24.78 kg
Identity
- COSPAR (Int'l)
- 1990-028B
- NORAD catalog №
- 20547
- Object type
- Payload
- Owner / operator
United States- Radar cross-section
- 0.169 m²
- Status
- active