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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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: 8 hours ago
TLE from 8 hours ago
0 EXPLORER 7
1 00022U 59009A 26170.49623276 .00009576 00000-0 31920-3 0 9997
2 00022 50.2439 88.7021 0077956 133.9112 226.8319 15.28856975800701Epoch: 2026-06-19T11:54Z
TLE epoch observation values (Epoch: 2026-06-19T11:54:34.510Z)
Latitude
-0.00004°
Longitude
2.3339°
Altitude
516.6 km
Speed
7.586 km/s
True Right ascension
05h 54m 48s
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
07:04:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
533.424 km
Perigee altitude
426.498 km
Semi-major axis
6,858.098 km
Eccentricity
0.0078
Inclination
50.2439°
RAAN
88.7021°
Arg. of periapsis
133.9112°
True anomaly
226.18469°
Mean anomaly
226.8319°
Eccentric anomaly
226.50787°
Mean motion
3.82153 °/min
Orbital period
94.2 mins
BSTAR
0.0003192
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Other satellites on launch #9 in the year 1959 (1959-10-13 UTC)
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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 | 2026-06-19 21:30:09.277Z | 222.451° SW | 2026-06-19 21:33:09.277Z | 167.104° S | 41.346° | 2026-06-19 21:36:09.277Z | 62.855° ENE |
| 4 mins | 2026-06-19 23:10:09.277Z | 297.574° NW | 2026-06-19 23:12:09.277Z | 348.024° N | 23.043° | 2026-06-19 23:14:09.277Z | 30.071° NE |
| 4 mins | 2026-06-20 04:07:09.277Z | 288.945° WNW | 2026-06-20 04:08:09.277Z | 257.501° W | 40.011° | 2026-06-20 04:11:09.277Z | 138.464° SSE |
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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