STARLINK-5531, 55383
Orbit data source: Space-Track
STARLINK-5531, 55383 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 26 Jan 2023 UTC via an FALCON 9 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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55383 intel report (Beta)
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Edit Public Description
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-5531
1 55383U 23013BE 25348.14030202 .00004708 00000-0 36336-3 0 9990
2 55383 43.0037 31.9053 0001201 265.1799 94.8906 15.02537375158993Epoch: 2025-12-14T03:22Z
TLE epoch observation values (Epoch: 2025-12-14T03:22:02.094Z)
Latitude
-0.00004°
Longitude
-101.66096°
Altitude
558.925 km
Speed
7.584 km/s
True Right ascension
02h 07m 37s
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
17:04:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.832 km
Perigee altitude
560.165 km
Semi-major axis
6,939.136 km
Eccentricity
0.00012
Inclination
43.0037°
RAAN
31.9053°
Arg. of periapsis
265.1799°
True anomaly
94.90431°
Mean anomaly
94.8906°
Eccentric anomaly
94.89746°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.00036336
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Other satellites on launch #13 in the year 2023 (2023-01-26 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-5531 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 | 2025-12-16 05:00:20.742Z | 189.115° SSW | 2025-12-16 05:03:20.742Z | 137.529° SSE | 20.054° | 2025-12-16 05:05:20.742Z | 103.177° ESE |
| 7 mins | 2025-12-16 06:40:20.742Z | 245.201° WSW | 2025-12-16 06:43:20.742Z | 157.908° S | 44.666° | 2025-12-16 06:47:20.742Z | 72.843° E |
| 6 mins | 2025-12-16 08:21:20.742Z | 283.63° WNW | 2025-12-16 08:24:20.742Z | 8.112° NNE | 39.393° | 2025-12-16 08:27:20.742Z | 72.762° E |
| 6 mins | 2025-12-16 10:02:20.742Z | 290.699° WNW | 2025-12-16 10:05:20.742Z | 56.732° ENE | 43.9° | 2025-12-16 10:08:20.742Z | 101.334° ESE |
| 5 mins | 2025-12-16 11:43:20.742Z | 262.534° W | 2025-12-16 11:45:20.742Z | 219.325° SW | 28.217° | 2025-12-16 11:48:20.742Z | 155.661° 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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