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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22 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
ABMA
Mission
Spacecraft
Bus & Motor
S-1, Unknown motor
Mass
41 kg wet, 41 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 EXPLORER 7
1 00022U 59009A 25309.91107948 .00011470 00000-0 45071-3 0 9998
2 00022 50.2720 119.3821 0086944 306.1744 53.1194 15.22649500766256Epoch: 2025-11-05T21:51Z
TLE epoch observation values (Epoch: 2025-11-05T21:51:57.267Z)
Latitude
-0.00005°
Longitude
106.01648°
Altitude
462.895 km
Speed
7.656 km/s
True Right ascension
07h 57m 31s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
03:12:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
558.368 km
Perigee altitude
438.79 km
Semi-major axis
6,876.716 km
Eccentricity
0.00869
Inclination
50.272°
RAAN
119.3821°
Arg. of periapsis
306.1744°
True anomaly
53.92154°
Mean anomaly
53.1194°
Eccentric anomaly
53.51995°
Mean motion
3.80602 °/min
Orbital period
94.59 mins
BSTAR
0.00045071
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Other satellites on launch #9 in the year 1959 (1959-10-13 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.EXPLORER 7 Visibility forecast
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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 mins | 2025-11-06 13:47:17.130Z | 197.757° SSW | 2025-11-06 13:50:17.130Z | 123.161° SE | 30.095° | 2025-11-06 13:53:17.130Z | 71.143° E |
| 6 mins | 2025-11-06 15:26:17.130Z | 274.623° WNW | 2025-11-06 15:28:17.130Z | 321.816° NNW | 31.984° | 2025-11-06 15:32:17.130Z | 44.476° NE |
| 4 mins | 2025-11-06 17:06:17.130Z | 320.866° NNW | 2025-11-06 17:08:17.130Z | 357.932° N | 18.428° | 2025-11-06 17:10:17.130Z | 32.377° NE |
| 4 mins | 2025-11-06 18:46:17.130Z | 341.616° N | 2025-11-06 18:48:17.130Z | 24.795° NE | 21.859° | 2025-11-06 18:50:17.130Z | 60.185° ENE |
| 6 mins | 2025-11-06 20:24:17.130Z | 309.673° NW | 2025-11-06 20:27:17.130Z | 64.213° ENE | 43.72° | 2025-11-06 20:30:17.130Z | 118.002° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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