EXPLORER 31

Launch Details
Launched 28 November 1965
Flight ended
Status Unknown
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 1806
COSPAR ID 1965-098B
Alternative names ISIS-X
Observing

Current orbital elements

Inclination 79.776°
Eccentricity 0.14250
RA ascending node 18.202 hr
Argument perigee 87.648°
Mean anomaly 288.647°
Orbital period 119.214 min
Epoch of osculation 08 Jul 2025, 17:01

See historical orbital elements »

Derived Quantities

Min Altitude 509.4 km
Mean Altitude 1652.8 km
Peak Altitude 2796.2 km

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme