PAYLOAD
IN ORBIT
USA 57
Uptime (d)
12934
Orbit
LEO
Catalog number: 20561
Int designator: 1990-031B
Country/Org.: UNITED STATES OF AMERICA
Orbital period: 97.78 min
Inclination: 89.84 deg
Periapsis: 606.0 km
Launch: April 11, 1990 on board Atlas E Altair | POGS & SSR, TEX, SCE
