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	30.425°
Eccentricity	0.06351
RA ascending node	7.894 hr
Argument perigee	208.605°
Mean anomaly	147.825°
Orbital period	103.946 min
Epoch of osculation	19 Aug 2026, 00:35

See historical orbital elements »

Derived Quantities

Min Altitude	487.1 km
Mean Altitude	952.2 km
Peak Altitude	1417.3 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