STEX

Launch Details
Launched 2 October 1998
Flight ended
Status Non-operational
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 25489
COSPAR ID 1998-055A
Alternative names SPACE TECHNOLOGY EXPERIMENT
Observing

Current orbital elements

Inclination 84.983°
Eccentricity 0.00104
RA ascending node 12.439 hr
Argument perigee 137.947°
Mean anomaly 222.253°
Orbital period 99.218 min
Epoch of osculation 28 Jun 2025, 13:24

See historical orbital elements »

Derived Quantities

Min Altitude 721.0 km
Mean Altitude 728.4 km
Peak Altitude 735.7 km

Orbital History

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

Launched alongside

TAURUS R/B USA 141

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme