Spacecraft information: USA 141

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 25615
COSPAR ID 1998-055C
Alternative names ATEX
ADVANCED TETHER EXPERIMENT
Observing

Current orbital elements

Inclination 84.980°
Eccentricity 0.00075
RA ascending node 4.670 hr
Argument perigee 176.321°
Mean anomaly 183.804°
Orbital period 99.504 min
Epoch of osculation 04 Mar 2026, 12:18

See historical orbital elements »

Derived Quantities

Min Altitude 736.7 km
Mean Altitude 742.0 km
Peak Altitude 747.4 km

Launched alongside

STEX TAURUS R/B

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PST

Color scheme