Launch Details

Launched	12 August 1965
Flight ended	–
Status	Operational
Categories	Radar Calibration Active satellites
Launch site	Air Force Western Test Range, California, USA
Owner	United States
NORAD ID	1520
COSPAR ID	1965-065H
Observing

Current orbital elements

Inclination	89.897°
Eccentricity	0.00699
RA ascending node	8.182 hr
Argument perigee	171.569°
Mean anomaly	316.508°
Orbital period	107.762 min
Epoch of osculation	23 May 2026, 10:53

See historical orbital elements »

Derived Quantities

Min Altitude	1077.9 km
Mean Altitude	1130.3 km
Peak Altitude	1182.8 km

Launched alongside

THOR ABLESTAR DEB THOR ABLESTAR R/B DODECAPOLE 2 THOR ABLESTAR DEB TEMPSAT 1 OPS 8464 NAVSPASUR ROD 1 THOR ABLESTAR DEB THOR ABLESTAR DEB PORCUPINE 2 OPS 8464 DEB TRANSIT 5B-7 DEB THOR ABLESTAR DEB THOR ABLESTAR DEB THOR ABLESTAR DEB THOR ABLESTAR DEB TRANSIT 5B-7 DEB DODECAPOLE 2 DEB