STARLINK-5239, 54183
Orbit data source: Space-Track
STARLINK-5239, 54183 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 28 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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54183 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: 2 days ago
TLE from 2 days ago
0 STARLINK-5239
1 54183U 22141AC 26171.43229137 .00000192 00000-0 30148-4 0 9991
2 54183 53.1611 262.3947 0001161 81.4762 278.6361 15.08834597201376Epoch: 2026-06-20T10:22Z
TLE epoch observation values (Epoch: 2026-06-20T10:22:29.974Z)
Latitude
-0.00001°
Longitude
-161.8772°
Altitude
540.531 km
Speed
7.593 km/s
True Right ascension
17h 29m 34s
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
21:40:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.817 km
Perigee altitude
539.211 km
Semi-major axis
6,918.151 km
Eccentricity
0.00012
Inclination
53.1611°
RAAN
262.3947°
Arg. of periapsis
81.4762°
True anomaly
278.62295°
Mean anomaly
278.6361°
Eccentric anomaly
278.62952°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000030148
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Other satellites on launch #141 in the year 2022 (2022-10-28 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-5239 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 13:42:31.329Z | 343.981° N | 2026-06-22 13:44:31.329Z | 23.548° NE | 21.607° | 2026-06-22 13:47:31.329Z | 75.805° E |
| 6 mins | 2026-06-22 15:21:31.329Z | 303.675° NW | 2026-06-22 15:24:31.329Z | 187.035° SSW | 42.798° | 2026-06-22 15:27:31.329Z | 139.955° SSE |
| 4 mins | 2026-06-23 06:54:31.329Z | 150.895° SSE | 2026-06-23 06:55:31.329Z | 130.42° SE | 19.61° | 2026-06-23 06:58:31.329Z | 80.459° E |
| 6 mins | 2026-06-23 08:32:31.329Z | 256.421° W | 2026-06-23 08:34:31.329Z | 314.399° NW | 38.603° | 2026-06-23 08:38:31.329Z | 42.153° NE |
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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