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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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 26171.41617027 -.00000441 00000-0 -65088-5 0 9991
2 55383 43.0030 68.5754 0000926 227.3619 132.7155 15.27575241187557Epoch: 2026-06-20T09:59Z
TLE epoch observation values (Epoch: 2026-06-20T09:59:17.111Z)
Latitude
0.00001°
Longitude
10.123°
Altitude
483.27 km
Speed
7.625 km/s
True Right ascension
04h 34m 18s
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
21:54:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.644 km
Perigee altitude
484.372 km
Semi-major axis
6,863.145 km
Eccentricity
0.00009
Inclination
43.003°
RAAN
68.5754°
Arg. of periapsis
227.3619°
True anomaly
132.7233°
Mean anomaly
132.7155°
Eccentric anomaly
132.7194°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
-0.0000065088
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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 | 2026-06-22 20:18:14.277Z | 228.998° WSW | 2026-06-22 20:20:14.277Z | 129.785° SE | 41.224° | 2026-06-22 20:23:14.277Z | 76.167° E |
| 5 mins | 2026-06-22 21:57:14.277Z | 287.049° WNW | 2026-06-22 21:59:14.277Z | 11.108° NNE | 38.743° | 2026-06-22 22:02:14.277Z | 71.084° E |
| 5 mins | 2026-06-22 23:36:14.277Z | 296.296° NW | 2026-06-22 23:38:14.277Z | 14.569° NNE | 42.041° | 2026-06-22 23:41:14.277Z | 92.559° ESE |
| 5 mins | 2026-06-23 01:15:14.277Z | 264.966° W | 2026-06-23 01:17:14.277Z | 201.563° SSW | 33.069° | 2026-06-23 01:20:14.277Z | 139.819° 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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