Launch Details

Launched	6 August 1971
Flight ended	–
Status	Operational
Categories	Radar Calibration Active satellites
Launch site	Air Force Western Test Range, California, USA
Owner	United States
NORAD ID	5398
COSPAR ID	1971-067E
Alternative names	LCS 4
Observing

Current orbital elements

Inclination	87.627°
Eccentricity	0.00623
RA ascending node	23.766 hr
Argument perigee	84.196°
Mean anomaly	276.633°
Orbital period	100.153 min
Epoch of osculation	14 Apr 2026, 12:19

See historical orbital elements »

Derived Quantities

Min Altitude	728.4 km
Mean Altitude	772.9 km
Peak Altitude	817.4 km

Launched alongside

CANNONBALL 2 MUSKETBALL 1971-067 DEB OV1-20 1971-067 AKM AVL 802 OV1-21 1971-067 DEB 1971-067 DEB GRIDSPHERE 2 1971-067 DEB GRIDSPHERE 1 RIGIDSPHERE 1