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EXPLORER 7, 22

Orbit data source: Space-Track

EXPLORER 7, 22 is a payload satellite owned by GSFC (US) in LEO that was launched on Tue, 13 Oct 1959 UTC via a JUNO II launch vehicle from the Air Force Eastern Test Range (AFETR). 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
22, 1959-009A
Orbit
LEO
Country
Flag of USUS
Related business
Manufacturer
ABMA
Mission
Civil Science
Bus & Motor
S-1, Unknown motor
Mass
41 kg wet, 41 kg dry
Launch date (UTC)
1959-10-13 (66 years ago)
Launch vehicle
JUNO II
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Cone + Cone, 0.4 m
Radar Cross Section
0.454 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 9 hours ago

TLE from 9 hours ago
0 EXPLORER 7
1 00022U 59009A   25243.25855765  .00016677  00000-0  68575-3 0  9997
2 00022  50.2757  85.2053 0088129  41.7949 318.9696 15.20722318756109
Epoch: 2025-08-31T06:12Z
TLE epoch observation values (Epoch: 2025-08-31T06:12:19.38Z)
Latitude
-0.00001°
Longitude
12.44346°
Altitude
458.728 km
Speed
7.664 km/s
True Right ascension
05h 40m 49s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
07:12:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
565.041 km
Perigee altitude
443.731 km
Semi-major axis
6,882.523 km
Eccentricity
0.00881
Inclination
50.2757°
RAAN
85.2053°
Arg. of periapsis
41.7949°
True anomaly
318.30111°
Mean anomaly
318.9696°
Eccentric anomaly
318.63591°
Mean motion
3.80121 °/min
Orbital period
94.71 mins
BSTAR
0.00068575
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Other satellites on launch #9 in the year 1959 (1959-10-13 UTC)

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