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: 13 hours ago
TLE from 13 hours ago
0 EXPLORER 7
1 00022U 59009A 25339.89418079 .00016448 00000-0 62452-3 0 9990
2 00022 50.2598 332.4824 0085894 66.6130 294.3834 15.23513022770828Epoch: 2025-12-05T21:27Z
TLE epoch observation values (Epoch: 2025-12-05T21:27:37.220Z)
Latitude
-0.00002°
Longitude
-64.35243°
Altitude
471.887 km
Speed
7.645 km/s
True Right ascension
22h 09m 55s
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
08:26:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
555.028 km
Perigee altitude
436.938 km
Semi-major axis
6,874.12 km
Eccentricity
0.00859
Inclination
50.2598°
RAAN
332.4824°
Arg. of periapsis
66.613°
True anomaly
293.48297°
Mean anomaly
294.3834°
Eccentric anomaly
293.93358°
Mean motion
3.80818 °/min
Orbital period
94.53 mins
BSTAR
0.00062452
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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
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-07 01:59:23.044Z | 190.52° SSW | 2025-12-07 02:00:23.044Z | 160.887° S | 31.113° | 2025-12-07 02:03:23.044Z | 73.32° E |
| 5 mins | 2025-12-07 03:37:23.044Z | 281.909° WNW | 2025-12-07 03:39:23.044Z | 333.091° NNW | 26.972° | 2025-12-07 03:42:23.044Z | 38.864° NE |
| 5 mins | 2025-12-07 08:35:23.044Z | 307.086° NW | 2025-12-07 08:37:23.044Z | 79.313° E | 44.793° | 2025-12-07 08:40:23.044Z | 123.622° SE |
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
Authenticating...
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