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	87.621°
Eccentricity	0.00623
RA ascending node	1.935 hr
Argument perigee	112.534°
Mean anomaly	248.247°
Orbital period	100.169 min
Epoch of osculation	18 Dec 2025, 05:40

See historical orbital elements »

Derived Quantities

Min Altitude	729.1 km
Mean Altitude	773.7 km
Peak Altitude	818.2 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