Launch Details

Launched	11 June 1975
Flight ended	29 October 2025
Status	Decayed
Launch site	Air Force Western Test Range, California, USA
Owner	United States
NORAD ID	21369
COSPAR ID	1975-052CP
Observing

Current orbital elements

Inclination	99.593°
Eccentricity	0.00208
RA ascending node	1.634 hr
Argument perigee	306.330°
Mean anomaly	53.605°
Orbital period	90.155 min
Epoch of osculation	29 Oct 2025, 14:04

See historical orbital elements »

Derived Quantities

Min Altitude	275.4 km
Mean Altitude	289.2 km
Peak Altitude	303.1 km

Launched alongside

NIMBUS 6 DELTA 1 R/B DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB