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DOY 173 | 2024-06-21T03:26:17Z
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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 a Scout X-4 launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets 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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EXPLORER 25 (INJUN-4) details
NORAD ID932
COSPAR ID
1964-076B
Orbit
LEO
Last TLE update23 hours ago
Origin
Flag of USNASA LaRC (US)
ManufacturerBENDX/UIA
BusBendix Utility
MotorUnknown
Mass41 kg wet, 41 kg dry
Launch date (UTC)
1964-11-21 (60 years ago)
Launch vehicle
Scout X-4
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Radar Cross Section0.5 m², Medium (>0.1 m² and < 1m²)
Predictive object data (real-time)
Latitude-4.71869°
Longitude-123.3409°
Altitude1,737.62 km
Speed6.857 km/s
Apparent Right ascension14h 22m 13s
Apparent Declination-56° 01' 58"
Sunlit
Object is in daylight
Predictive observer data (real-time)
Local Sidereal Time14:25:07
Azimuth180.407° SSW
Elevation-5.951°
Doppler factor1
Orbital elements
Apogee2,273.636 km
Perigee521.228 km
Semi-major axis7,775.569 km
Eccentricity0.1126868
Inclination81.3392°
RAAN217.439°
Arg. of periapsis115.7548°
True anomaly244.35438°
Mean anomaly256.4143°
Mean motion3.16552 °/min
BSTAR0.00031257
Period113.73 mins
Definitive object data (Epoch: 2024-06-20T04:41:46.662Z)
Latitude-0°
Longitude-121.89663°
Altitude1,697.926 km
Speed6.892 km/s
True Right ascension14h 29m 45s
True Declination0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
TLE from 23 hours ago
0 EXPLORER 25 (INJUN-4)
1   932U 64076B   24172.19567897  .00000906  00000-0  31257-3 0  9991
2   932  81.3392 217.4390 1126868 115.7548 256.4143 12.65551054726713
Epoch: 2024-06-20T04:41Z
No data available

EXPLORER 25 (INJUN-4) Visibility forecast

Observer location: 39.9160978°, -105.1181434, 0m alt.

EXPLORER 25 (INJUN-4) is not visible in the next 10 days
Span
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Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.