NAVSTAR 21

Launch Details
Launched 30 September 1990
Flight ended
Status Non-operational
Launch site Air Force Eastern Test Range, Florida, USA
Owner United States
NORAD ID 20830
COSPAR ID 1990-088A
Alternative names USA 64
GPS BII-09
SVN 15
Observing

Current orbital elements

Inclination 56.325°
Eccentricity 0.00215
RA ascending node 1.458 hr
Argument perigee 285.179°
Mean anomaly 298.588°
Orbital period 766.966 min
Epoch of osculation 28 Jun 2025, 14:16

See historical orbital elements »

Derived Quantities

Min Altitude 21324.6 km
Mean Altitude 21384.2 km
Peak Altitude 21443.8 km

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme