Spacecraft information: EXPLORER 20

Launch Details
Launched 24 August 1964
Flight ended –
Status Unknown
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 870
COSPAR ID 1964-051A
Observing

Current orbital elements

Inclination 79.895°
Eccentricity 0.00971
RA ascending node 15.679 hr
Argument perigee 177.866°
Mean anomaly 182.293°
Orbital period 103.463 min
Epoch of osculation 27 Jul 2026, 05:03

See historical orbital elements »

Derived Quantities

Min Altitude 858.6 km
Mean Altitude 929.5 km
Peak Altitude 1000.4 km

Launched alongside

SCOUT X-4 R/B SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


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Last updated: 27 Jul 2026, 18:19 UTC
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