Spacecraft information: USA 23

Launch Details
Launched 14 May 1987
Flight ended –
Status Unknown
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 18009
COSPAR ID 1987-043E
Observing

Current orbital elements

Inclination 63.292°
Eccentricity 0.07760
RA ascending node 13.190 hr
Argument perigee 106.428°
Mean anomaly 262.344°
Orbital period 103.728 min
Epoch of osculation 13 Aug 2026, 02:51

See historical orbital elements »

Derived Quantities

Min Altitude 374.4 km
Mean Altitude 941.9 km
Peak Altitude 1509.4 km

Launched alongside

USA 22 ATLAS H R/B USA 22 DEB USA 22 DEB USA 24 USA 22 DEB USA 25 USA 22 DEB

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

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Last updated: 13 Aug 2026, 18:18 UTC
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