USA 21

Launch Details
Launched 11 February 1987
Flight ended
Status Unknown
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 17506
COSPAR ID 1987-015A
Observing

Current orbital elements

Inclination 62.589°
Eccentricity 0.71053
RA ascending node 9.458 hr
Argument perihelion 264.018°
Mean anomaly 18.368°
Orbital period 717.405 min
Epoch of osculation 17 Jan 2022, 04:52

See historical orbital elements »

Derived Quantities

Min Altitude 1313.2 km
Mean Altitude 20175.2 km
Peak Altitude 39037.3 km

Orbital History

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Launched alongside

TITAN 34B R/B

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Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EST

Color scheme