STARLINK-5141, 55500
Orbit data source: Space-Track
STARLINK-5141, 55500 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 Feb 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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55500 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 STARLINK-5141
1 55500U 23015BD 26083.91667824 .00131332 00000-0 48976-2 0 9997
2 55500 42.9988 253.7431 0002044 263.2288 102.2361 15.26205636 5829Epoch: 2026-03-24T22:00Z
TLE epoch observation values (Epoch: 2026-03-24T22:00:00.999Z)
Latitude
3.70382°
Longitude
105.31023°
Altitude
486.836 km
Speed
7.624 km/s
True Right ascension
17h 10m 48s
True Declination
3° 40' 51"
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
11:50:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
490.515 km
Perigee altitude
487.708 km
Semi-major axis
6,867.249 km
Eccentricity
0.0002
Inclination
42.9988°
RAAN
253.7431°
Arg. of periapsis
263.2288°
True anomaly
102.25899°
Mean anomaly
102.2361°
Eccentric anomaly
102.24754°
Mean motion
3.8139 °/min
Orbital period
94.39 mins
BSTAR
0.0048976
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Other satellites on launch #15 in the year 2023 (2023-02-02 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-5141 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 | 2026-03-25 13:51:59.986Z | 189.535° SSW | 2026-03-25 13:53:59.986Z | 155.145° SSE | 18.841° | 2026-03-25 13:56:59.986Z | 98.754° ESE |
| 5 mins | 2026-03-25 15:30:59.986Z | 246.515° WSW | 2026-03-25 15:32:59.986Z | 209.317° SW | 44.598° | 2026-03-25 15:35:59.986Z | 73.031° E |
| 6 mins | 2026-03-25 17:09:59.986Z | 287.338° WNW | 2026-03-25 17:11:59.986Z | 336.151° NNW | 37.408° | 2026-03-25 17:15:59.986Z | 75.495° E |
| 6 mins | 2026-03-25 18:48:59.986Z | 290.828° WNW | 2026-03-25 18:51:59.986Z | 73.212° E | 42.597° | 2026-03-25 18:54:59.986Z | 102.039° ESE |
| 4 mins | 2026-03-25 20:28:59.986Z | 250.405° W | 2026-03-25 20:29:59.986Z | 225.306° WSW | 25.6° | 2026-03-25 20:32:59.986Z | 156.753° SSE |
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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