NAVSTAR 18

Launch Details
Launched 23 January 1990
Flight ended
Status Non-operational
Launch site Air Force Eastern Test Range, Florida, USA
Owner United States
NORAD ID 20452
COSPAR ID 1990-008A
Alternative names USA 50
GPS BII-06
SVN 18
Observing

Current orbital elements

Inclination 54.750°
Eccentricity 0.00147
RA ascending node 10.485 hr
Argument perigee 272.859°
Mean anomaly 258.317°
Orbital period 759.502 min
Epoch of osculation 10 Aug 2024, 09:13

See historical orbital elements »

Derived Quantities

Min Altitude 21163.2 km
Mean Altitude 21203.8 km
Peak Altitude 21244.5 km

Orbital History

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Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme