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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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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5141
1 55500U 23015BD 26035.48719174 .00000311 00000-0 38117-4 0 9992
2 55500 43.0026 159.0298 0001864 274.8535 85.2095 15.02538041165616Epoch: 2026-02-04T11:41Z
TLE epoch observation values (Epoch: 2026-02-04T11:41:33.366Z)
Latitude
0.00002°
Longitude
-151.01227°
Altitude
558.744 km
Speed
7.584 km/s
True Right ascension
10h 36m 07s
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
01:42:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
562.29 km
Perigee altitude
559.703 km
Semi-major axis
6,939.134 km
Eccentricity
0.00019
Inclination
43.0026°
RAAN
159.0298°
Arg. of periapsis
274.8535°
True anomaly
85.23079°
Mean anomaly
85.2095°
Eccentric anomaly
85.22014°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.000038117
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-02-05 10:12:20.506Z | 173.248° S | 2026-02-05 10:14:20.506Z | 142.234° SSE | 15.417° | 2026-02-05 10:16:20.506Z | 110.593° ESE |
| 6 mins | 2026-02-05 11:52:20.506Z | 231.238° WSW | 2026-02-05 11:54:20.506Z | 177.376° S | 41.924° | 2026-02-05 11:58:20.506Z | 75.369° E |
| 7 mins | 2026-02-05 13:32:20.506Z | 277.776° WNW | 2026-02-05 13:35:20.506Z | 354.6° N | 40.401° | 2026-02-05 13:39:20.506Z | 73.578° E |
| 7 mins | 2026-02-05 15:13:20.506Z | 291.437° WNW | 2026-02-05 15:16:20.506Z | 18.043° NNE | 42.824° | 2026-02-05 15:20:20.506Z | 95.658° ESE |
| 6 mins | 2026-02-05 16:54:20.506Z | 271.321° WNW | 2026-02-05 16:57:20.506Z | 189.929° SSW | 33.35° | 2026-02-05 17:00:20.506Z | 140.126° 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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