Spacecraft information: 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 81.343°
Eccentricity 0.11182
RA ascending node 2.605 hr
Argument perigee 329.075°
Mean anomaly 24.883°
Orbital period 113.636 min
Epoch of osculation 21 May 2026, 10:45

See historical orbital elements »

Derived Quantities

Min Altitude 531.5 km
Mean Altitude 1400.5 km
Peak Altitude 2269.5 km

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

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: 25 May 2026, 18:19 UTC
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