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 84.989°
Eccentricity 0.00091
RA ascending node 22.503 hr
Argument perigee 52.283°
Mean anomaly 307.919°
Orbital period 99.497 min
Epoch of osculation 07 Aug 2026, 06:53

See historical orbital elements »

Derived Quantities

Min Altitude 735.2 km
Mean Altitude 741.7 km
Peak Altitude 748.2 km

Launched alongside

STEX TAURUS R/B

Orbital History

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Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme