Launch Details

Launched	26 November 1963
Flight ended	–
Status	Unknown
Launch site	Air Force Eastern Test Range, Florida, USA
Owner	United States
NORAD ID	19638
COSPAR ID	1963-047S
Observing

Current orbital elements

Inclination	31.011°
Eccentricity	0.06896
RA ascending node	5.561 hr
Argument perigee	99.950°
Mean anomaly	14.834°
Orbital period	114.614 min
Epoch of osculation	02 Feb 2026, 10:28

See historical orbital elements »

Derived Quantities

Min Altitude	906.1 km
Mean Altitude	1445.0 km
Peak Altitude	1984.0 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