Spacecraft information: GPS 21

Launch Details
Launched 30 March 2003
Flight ended –
Status Backup/Standby
Category Active satellites
Launch site Air Force Eastern Test Range, Florida, USA
Owner United States
NORAD ID 27704
COSPAR ID 2003-010A
Alternative names USA 168
NAVSTAR 52
GPS BIIR-09
SVN 45
PRN 21
SLOT D3
Observing

Current orbital elements

Inclination 54.918°
Eccentricity 0.00051
RA ascending node 22.126 hr
Argument perigee 309.190°
Mean anomaly 96.848°
Orbital period 739.436 min
Epoch of osculation 21 Dec 2025, 05:42

See historical orbital elements »

Derived Quantities

Min Altitude 20702.1 km
Mean Altitude 20716.0 km
Peak Altitude 20729.8 km

Launched alongside

DELTA 2 R/B(1) DELTA 2 R/B(2) DELTA 2 DEB

Orbital History

Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PST

Color scheme


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Last updated: 21 Dec 2025, 19:16 UTC
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