TDRS 4

Launch Details
Launched 12 March 1989
Flight ended
Status Non-operational
Launch site Air Force Eastern Test Range, Florida, USA
Owner United States
NORAD ID 19883
COSPAR ID 1989-021B
Observing

Current orbital elements

Inclination 12.835°
Eccentricity 0.00150
RA ascending node 23.777 hr
Argument perigee 297.910°
Mean anomaly 247.556°
Orbital period 1462.174 min
Epoch of osculation 27 Aug 2025, 12:45

See historical orbital elements »

Derived Quantities

Min Altitude 36238.6 km
Mean Altitude 36302.6 km
Peak Altitude 36366.6 km

Orbital History

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Northridge

Latitude:
Longitude:
Timezone:

34.23°N
118.54°W
PDT

Color scheme