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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 update9 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 9 hours ago
0 EXPLORER 7
1 00022U 59009A   24291.87923330  .00012199  00000-0  64164-3 0  9996
2 00022  50.2770 184.7125 0105671 227.3592 131.8418 15.11259278707938
Epoch: 2024-10-17T21:06Z
Definitive object data (Epoch: 2024-10-17T21:06:05.757Z)
Latitude
Longitude-158.66847°
Altitude582.073 km
Speed7.544 km/s
True Right ascension12h 18m 51s
True Declination0° 00' 00"
Sunlit
Object was in daylight at TLE epoch
Predictive object data (real-time)
Latitude-32.96979°
Longitude51.95106°
Altitude469.499 km
Speed7.672 km/s
Apparent Right ascension06h 09m 08s
Apparent Declination-73° 47' 17"
Sunlit
Object is in full shadow
Predictive observer data (real-time)
Local Sidereal Time00:50:16
Azimuth160.329° S
Elevation-35.305°
Doppler factor1
Orbital elements
Apogee606.112 km
Perigee460.049 km
Semi-major axis6,911.218 km
Eccentricity0.0105671
Inclination50.277°
RAAN184.7125°
Arg. of periapsis227.3592°
True anomaly132.73599°
Mean anomaly131.8418°
Eccentric anomaly132.28968°
Mean motion3.77756 °/min
BSTAR0.00064164
Period95.3 mins
No data available
No data available
Other satellites on launch #9 in the year 1959 (1959-10-13 UTC)

EXPLORER 7 Visibility forecast

Observer location: 39.9160978°, -105.1181434

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.
8 mins2024-10-18 19:28:50.845Z214.651° SW2024-10-18 19:32:50.845Z144.691° SSE38.335°2024-10-18 19:36:50.845Z64.68° ENE
6 mins2024-10-18 21:09:50.845Z278.365° WNW2024-10-18 21:12:50.845Z345.152° N30.807°2024-10-18 21:15:50.845Z39.647° NE
5 mins2024-10-18 22:50:50.845Z319.961° NNW2024-10-18 22:52:50.845Z353.736° N19.562°2024-10-18 22:55:50.845Z42.056° NE
6 mins2024-10-19 00:30:50.845Z326.699° NNW2024-10-19 00:33:50.845Z25.864° NE24.809°2024-10-19 00:36:50.845Z75.031° E
6 mins2024-10-19 02:10:50.845Z302.292° NW2024-10-19 02:13:50.845Z144.83° SSE42.949°2024-10-19 02:16:50.845Z129.304° SE