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: 10 hours ago
TLE from 10 hours ago
0 EXPLORER 7
1 00022U 59009A 26019.28016479 .00015350 00000-0 56226-3 0 9990
2 00022 50.2394 114.5850 0085192 245.5798 113.6255 15.24774575777593Epoch: 2026-01-19T06:43Z
TLE epoch observation values (Epoch: 2026-01-19T06:43:26.237Z)
Latitude
0.00001°
Longitude
-104.95296°
Altitude
515.911 km
Speed
7.594 km/s
True Right ascension
07h 38m 20s
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
18:00:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
550.725 km
Perigee altitude
433.665 km
Semi-major axis
6,870.332 km
Eccentricity
0.00852
Inclination
50.2394°
RAAN
114.585°
Arg. of periapsis
245.5798°
True anomaly
114.51607°
Mean anomaly
113.6255°
Eccentric anomaly
114.07117°
Mean motion
3.81133 °/min
Orbital period
94.46 mins
BSTAR
0.00056226
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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 | 2026-01-20 08:02:52.489Z | 184.017° SSW | 2026-01-20 08:05:52.489Z | 128.061° SE | 22.848° | 2026-01-20 08:08:52.489Z | 79.399° E |
| 6 mins | 2026-01-20 09:41:52.489Z | 261.099° W | 2026-01-20 09:43:52.489Z | 321.114° NNW | 39.485° | 2026-01-20 09:47:52.489Z | 48.586° ENE |
| 4 mins | 2026-01-20 11:21:52.489Z | 321.592° NNW | 2026-01-20 11:22:52.489Z | 341.225° N | 20.067° | 2026-01-20 11:25:52.489Z | 34.778° NE |
| 5 mins | 2026-01-20 13:00:52.489Z | 332.59° NNW | 2026-01-20 13:02:52.489Z | 9.725° NNE | 19.744° | 2026-01-20 13:05:52.489Z | 58.993° ENE |
| 6 mins | 2026-01-20 14:39:52.489Z | 321.409° NNW | 2026-01-20 14:41:52.489Z | 13.871° NNE | 37.728° | 2026-01-20 14:45:52.489Z | 106.087° ESE |
| 4 mins | 2026-01-20 16:18:52.489Z | 262.784° W | 2026-01-20 16:20:52.489Z | 215.921° SW | 23.139° | 2026-01-20 16:22:52.489Z | 177.754° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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