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	30.421°
Eccentricity	0.06357
RA ascending node	11.801 hr
Argument perigee	62.252°
Mean anomaly	304.108°
Orbital period	103.957 min
Epoch of osculation	26 Mar 2026, 12:35

See historical orbital elements »

Derived Quantities

Min Altitude	487.1 km
Mean Altitude	952.7 km
Peak Altitude	1418.2 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