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EXPLORER 25 (INJUN-4), 932

Orbit data source: Space-Track

EXPLORER 25 (INJUN-4), 932 is a payload satellite owned by NASA LaRC (US) in LEO that was launched on Sat, 21 Nov 1964 UTC via an SCOUT X-4 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
932, 1964-076B
Orbit
LEO
Last TLE update
22 hours ago
Origin
Manufacturer
BENDX/UIA
Mission
Civil Science
Bus & Motor
BENDIX UTILITY, Unknown motor
Mass
41 kg wet, 41 kg dry
Launch date (UTC)
1964-11-21 (61 years ago)
Launch vehicle
SCOUT X-4
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Poly, 0.3 m
Radar Cross Section
0.411 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 22 hours ago
0 EXPLORER 25 (INJUN-4)
1 00932U 64076B   25199.65816166  .00000243  00000-0  86420-4 0  9995
2 00932  81.3407 275.0915 1119416 304.6519  45.3925 12.66768199776899
Epoch: 2025-07-18T15:47Z
TLE epoch observation values (Epoch: 2025-07-18T15:47:45.167Z)
Latitude
-0.00001°
Longitude
101.44684°
Altitude
842.347 km
Speed
7.692 km/s
True Right ascension
18h 20m 21s
True Declination
0° 00' 00"
Sunlit
Object was in full shadow at epoch
Visualization orbit readout
Latitude
-8.78471°
Longitude
-77.91449°
Altitude
1,665.919 km
Speed
6.919 km/s
Apparent Right ascension
08h 54m 26s
Apparent Declination
-38° 22' 53"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
02:35:21
Azimuth
119.076° SE
Elevation
-26.643°
Doppler factor
1
Orbital elements
Apogee altitude
2,262.299 km
Perigee altitude
522.596 km
Semi-major axis
7,770.585 km
Eccentricity
0.11194
Inclination
81.3407°
RAAN
275.0915°
Arg. of periapsis
304.6519°
True anomaly
55.46245°
Mean anomaly
45.3925°
Eccentric anomaly
50.32936°
Mean motion
3.16857 °/min
Orbital period
113.62 mins
BSTAR
0.00008642
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