Launch Details

Launched	26 November 1963
Flight ended	–
Status	Unknown
Launch site	Air Force Eastern Test Range, Florida, USA
Owner	United States
NORAD ID	739
COSPAR ID	1963-047H
Observing

Current orbital elements

Inclination	30.423°
Eccentricity	0.06354
RA ascending node	19.759 hr
Argument perigee	81.241°
Mean anomaly	285.957°
Orbital period	103.954 min
Epoch of osculation	10 May 2026, 11:54

See historical orbital elements »

Derived Quantities

Min Altitude	487.2 km
Mean Altitude	952.5 km
Peak Altitude	1417.9 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