EXPLORER 25

Launch Details
Launched 20 November 1964
Flight ended –
Status Unknown
Launch site Air Force Western Test Range, California, USA
Owner United States
NORAD ID 932
COSPAR ID 1964-076B
Alternative names INJUN 4
Observing

Current orbital elements

Inclination 81.338°
Eccentricity 0.11200
RA ascending node 15.333 hr
Argument perigee 171.717°
Mean anomaly 190.428°
Orbital period 113.671 min
Epoch of osculation 15 Sep 2025, 06:19

See historical orbital elements »

Derived Quantities

Min Altitude 531.5 km
Mean Altitude 1402.1 km
Peak Altitude 2272.7 km

Orbital History

Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.

Launched alongside

EXPLORER 24 SCOUT X-4 R/B SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB SCOUT X-4 DEB

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


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