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 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-5141
1 55500U 23015BD 26132.90368176 .00000893 00000-0 42009-4 0 9999
2 55500 43.0053 337.2737 0001838 268.2745 91.7897 15.27556999180411Epoch: 2026-05-12T21:41Z
TLE epoch observation values (Epoch: 2026-05-12T21:41:18.104Z)
Latitude
0.00005°
Longitude
141.27695°
Altitude
482.934 km
Speed
7.626 km/s
True Right ascension
22h 29m 05s
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
12:10:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.324 km
Perigee altitude
483.801 km
Semi-major axis
6,863.199 km
Eccentricity
0.00018
Inclination
43.0053°
RAAN
337.2737°
Arg. of periapsis
268.2745°
True anomaly
91.81075°
Mean anomaly
91.7897°
Eccentric anomaly
91.80023°
Mean motion
3.81727 °/min
Orbital period
94.31 mins
BSTAR
0.000042009
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-13 16:43:19.395Z | 210.782° SW | 2026-05-13 16:46:19.395Z | 142.281° SSE | 28.95° | 2026-05-13 16:49:19.395Z | 85.363° E |
| 6 mins | 2026-05-13 18:22:19.395Z | 263.775° W | 2026-05-13 18:25:19.395Z | 31.512° NE | 41.859° | 2026-05-13 18:28:19.395Z | 70.211° E |
| 5 mins | 2026-05-13 20:02:19.395Z | 298.159° NW | 2026-05-13 20:04:19.395Z | 16.656° NNE | 38.214° | 2026-05-13 20:07:19.395Z | 80.088° E |
| 5 mins | 2026-05-13 21:41:19.395Z | 282.5° WNW | 2026-05-13 21:43:19.395Z | 181.759° SSW | 43.925° | 2026-05-13 21:46:19.395Z | 117.216° SE |
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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