OBJECT R, 51839
Orbit data source: Space-Track
You're viewing an Uncataloged Satellite
Recently launched and/or uncataloged satellites may have evolving metadata. Metadata may include but not limited to: Owner, Maufacturer, Bus, Motor, and Mission.
OBJECT R, 51839 is a satellite owned by Changguang WJ (CN) in SSO that was launched on Sun, 27 Feb 2022 UTC via a CHANG ZHENG 8 launch vehicle from the Wenchang Satellite Launch Center (WSC). Unknown objects in Earth's orbit typically refer to objects detected orbiting the Earth but have not yet been identified or cataloged. These objects could be anything from previously untracked satellites, spent rocket stages, debris from satellite collisions, or even natural meteoroids temporarily captured by Earth's gravity.
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51839 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
Changguang WJ
Mission
Operational Commercial Imaging
Bus & Motor
JL-1, Unknown motor
Mass
43 kg wet, 43 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Unknown
Shape & HBR
Box + 2 Pan, 0.8 m
Radar Cross Section
2.000 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 OBJECT R
1 51839U 22019R 25286.61244346 .00047202 00000-0 92187-3 0 9998
2 51839 97.3861 7.8028 0003427 351.2862 8.8327 15.47327814201485Epoch: 2025-10-13T14:41Z
TLE epoch observation values (Epoch: 2025-10-13T14:41:55.114Z)
Latitude
-0.00014°
Longitude
124.91045°
Altitude
425.371 km
Speed
7.657 km/s
True Right ascension
00h 31m 12s
True Declination
0° 00' 01"
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
21:21:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
423.806 km
Perigee altitude
419.145 km
Semi-major axis
6,799.612 km
Eccentricity
0.00034
Inclination
97.3861°
RAAN
7.8028°
Arg. of periapsis
351.2862°
True anomaly
8.83873°
Mean anomaly
8.8327°
Eccentric anomaly
8.83572°
Mean motion
3.87094 °/min
Orbital period
93 mins
BSTAR
0.00092187
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Other satellites on launch #19 in the year 2022 (2022-02-27 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.OBJECT R 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-10-14 04:48:53.223Z | 114.668° SE | 2025-10-14 04:50:53.223Z | 74.392° E | 17.801° | 2025-10-14 04:52:53.223Z | 30.255° NE |
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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