Launch Details

Launched	26 November 1963
Flight ended	–
Status	Unknown
Launch site	Air Force Eastern Test Range, Florida, USA
Owner	United States
NORAD ID	3741
COSPAR ID	1963-047L
Observing

Current orbital elements

Inclination	29.879°
Eccentricity	0.02364
RA ascending node	22.794 hr
Argument perigee	21.870°
Mean anomaly	339.180°
Orbital period	99.559 min
Epoch of osculation	22 Jun 2026, 17:27

See historical orbital elements »

Derived Quantities

Min Altitude	576.4 km
Mean Altitude	744.6 km
Peak Altitude	912.9 km

Launched alongside

EXPLORER 18 ATLAS CENTAUR 2 ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB ATLAS CENTAUR 2 DEB