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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). 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 7 details
Identifier
22, 1959-009A
Orbit
LEO
Last TLE update17 hours ago
Origin
Flag of USGSFC (US)
ManufacturerABMA
MissionCivil Science
Bus & MotorS-1, Unknown motor
Mass41 kg wet, 41 kg dry
Launch date (UTC)
1959-10-13 (65 years ago)
Launch vehicle
JUNO II
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBRCone + Cone, 0.76 m
Radar Cross Section0.454 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 17 hours ago
0 EXPLORER 7
1 00022U 59009A   25002.51141109  .00028486  00000-0  13706-2 0  9995
2 00022  50.2738 175.2794 0101316 169.5173 190.7926 15.14051240719532
Epoch: 2025-01-02T12:16Z
Definitive object data (Epoch: 2025-01-02T12:16:25.918Z)
Latitude-0.00003°
Longitude-111.2179°
Altitude593.154 km
Speed7.527 km/s
True Right ascension11h 41m 07s
True Declination0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude-27.7875°
Longitude91.21594°
Altitude481.75 km
Speed7.652 km/s
Apparent Right ascension21h 48m 35s
Apparent Declination-53° 59' 12"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time04:55:39
Azimuth227.74° WSW
Elevation-40.476°
Doppler factor1
Orbital elements
Apogee altitude594.52 km
Perigee altitude454.648 km
Semi-major axis6,902.721 km
Eccentricity0.0101316
Inclination50.2738°
RAAN175.2794°
Arg. of periapsis169.5173°
True anomaly190.57787°
Mean anomaly190.7926°
Eccentric anomaly190.68497°
Mean motion3.78454 °/min
BSTAR0.0013706
Orbital period95.12 mins
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Other satellites on launch #9 in the year 1959 (1959-10-13 UTC)

EXPLORER 7 Visibility forecast

Observer location: undefined°, undefined

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
7 mins2025-01-03 13:46:49.399Z215.109° SW2025-01-03 13:50:49.399Z141.273° SSE37.921°2025-01-03 13:53:49.399Z68.424° E
6 mins2025-01-03 15:27:49.399Z281.541° WNW2025-01-03 15:29:49.399Z322.659° NNW28.623°2025-01-03 15:33:49.399Z42.295° NE
4 mins2025-01-03 17:08:49.399Z328.026° NNW2025-01-03 17:10:49.399Z5.735° NNE16.979°2025-01-03 17:12:49.399Z38.212° NE
4 mins2025-01-03 18:48:49.399Z337.944° N2025-01-03 18:50:49.399Z23.453° NE22.34°2025-01-03 18:52:49.399Z64.022° ENE
5 mins2025-01-03 20:27:49.399Z302.199° NW2025-01-03 20:29:49.399Z282.975° WNW43.386°2025-01-03 20:32:49.399Z129.698° SE
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