STARLINK-5142, 53984
Orbit data source: Space-Track
STARLINK-5142, 53984 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 05 Oct 2022 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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53984 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 STARLINK-5142
1 53984U 22125W 26170.58872646 .00000624 00000-0 57322-4 0 9998
2 53984 53.1617 116.7232 0001320 79.5826 280.5314 15.08825215204847Epoch: 2026-06-19T14:07Z
TLE epoch observation values (Epoch: 2026-06-19T14:07:45.966Z)
Latitude
-0.00002°
Longitude
-3.03388°
Altitude
540.513 km
Speed
7.593 km/s
True Right ascension
07h 46m 53s
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
21:31:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.956 km
Perigee altitude
539.129 km
Semi-major axis
6,918.179 km
Eccentricity
0.00013
Inclination
53.1617°
RAAN
116.7232°
Arg. of periapsis
79.5826°
True anomaly
280.51653°
Mean anomaly
280.5314°
Eccentric anomaly
280.52396°
Mean motion
3.77186 °/min
Orbital period
95.44 mins
BSTAR
0.000057322
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Other satellites on launch #125 in the year 2022 (2022-10-05 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.STARLINK-5142 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 21:46:41.859Z | 208.793° SW | 2026-06-22 21:49:41.859Z | 157.353° SSE | 36.939° | 2026-06-22 21:53:41.859Z | 60.251° ENE |
| 5 mins | 2026-06-22 23:27:41.859Z | 289.462° WNW | 2026-06-22 23:29:41.859Z | 334.963° NNW | 25.043° | 2026-06-22 23:32:41.859Z | 29.464° NE |
| 6 mins | 2026-06-23 04:28:41.859Z | 328.707° NNW | 2026-06-23 04:30:41.859Z | 23.686° NE | 37.512° | 2026-06-23 04:34:41.859Z | 111.545° ESE |
| 4 mins | 2026-06-23 06:08:41.859Z | 258.33° W | 2026-06-23 06:09:41.859Z | 237.776° WSW | 20.495° | 2026-06-23 06:12:41.859Z | 184.145° SSW |
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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