USA 77

Launch Details
Launched 7 November 1991
Flight ended
Status Unknown
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 21809
COSPAR ID 1991-076E
Observing

Current orbital elements

Inclination 63.299°
Eccentricity 0.09006
RA ascending node 11.386 hr
Argument perigee 69.433°
Mean anomaly 300.092°
Orbital period 106.351 min
Epoch of osculation 15 Sep 2025, 04:03

See historical orbital elements »

Derived Quantities

Min Altitude 395.0 km
Mean Altitude 1064.7 km
Peak Altitude 1734.3 km

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme