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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 update11 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 11 hours ago
0 EXPLORER 7
1    22U 59009A   25044.20040455  .00017445  00000-0  81543-3 0  9997
2    22  50.2770 333.6116 0097091 333.6462  25.9573 15.15691256480816
Epoch: 2025-02-13T04:48Z
Definitive object data (Epoch: 2025-02-13T04:48:34.953Z)
Latitude0.00001°
Longitude117.98604°
Altitude459.384 km
Speed7.672 km/s
True Right ascension22h 14m 26s
True Declination0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude-39.60925°
Longitude72.65767°
Altitude474.014 km
Speed7.661 km/s
Apparent Right ascension23h 38m 17s
Apparent Declination-80° 46' 50"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time18:13:57
Azimuth168.428° S
Elevation-37.904°
Doppler factor1
Orbital elements
Apogee altitude586.575 km
Perigee altitude452.633 km
Semi-major axis6,897.741 km
Eccentricity0.0097091
Inclination50.277°
RAAN333.6116°
Arg. of periapsis333.6462°
True anomaly26.44964°
Mean anomaly25.9573°
Eccentric anomaly26.20293°
Mean motion3.78864 °/min
BSTAR0.00081543
Orbital period95.02 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.
6 mins2025-02-13 22:25:43.446Z241.941° WSW2025-02-13 22:27:43.446Z284.114° WNW43.891°2025-02-13 22:31:43.446Z53.13° ENE
5 mins2025-02-14 00:05:43.446Z306.927° NW2025-02-14 00:07:43.446Z349.028° N21.689°2025-02-14 00:10:43.446Z38.767° NE
4 mins2025-02-14 01:46:43.446Z345.613° N2025-02-14 01:47:43.446Z5.187° NNE18.685°2025-02-14 01:50:43.446Z52.821° ENE
6 mins2025-02-14 03:25:43.446Z330.651° NNW2025-02-14 03:27:43.446Z24.607° NE33.087°2025-02-14 03:31:43.446Z96.586° ESE
6 mins2025-02-14 05:04:43.446Z279.221° WNW2025-02-14 05:06:43.446Z231.441° WSW32.942°2025-02-14 05:10:43.446Z153.961° SSE
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