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 84.987°
Eccentricity 0.00077
RA ascending node 10.039 hr
Argument perigee 321.016°
Mean anomaly 39.048°
Orbital period 99.213 min
Epoch of osculation 27 Aug 2025, 19:33

See historical orbital elements »

Derived Quantities

Min Altitude 722.7 km
Mean Altitude 728.1 km
Peak Altitude 733.6 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

Share

South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme