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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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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-5141
1 55500U 23015BD 25340.39121667 .00000163 00000-0 27150-4 0 9994
2 55500 43.0035 125.5736 0001281 267.5273 92.5422 15.02533526156575Epoch: 2025-12-06T09:23Z
TLE epoch observation values (Epoch: 2025-12-06T09:23:21.120Z)
Latitude
-0.00006°
Longitude
-90.68409°
Altitude
558.905 km
Speed
7.584 km/s
True Right ascension
08h 22m 17s
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
21:01:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.899 km
Perigee altitude
560.122 km
Semi-major axis
6,939.148 km
Eccentricity
0.00013
Inclination
43.0035°
RAAN
125.5736°
Arg. of periapsis
267.5273°
True anomaly
92.55686°
Mean anomaly
92.5422°
Eccentric anomaly
92.54953°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.00002715
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-07 12:41:57.452Z | 213.251° SW | 2025-12-07 12:45:57.452Z | 137.834° SSE | 29.19° | 2025-12-07 12:48:57.452Z | 86.177° E |
| 7 mins | 2025-12-07 14:22:57.452Z | 260.385° W | 2025-12-07 14:25:57.452Z | 317.341° NNW | 43.869° | 2025-12-07 14:29:57.452Z | 70.992° E |
| 7 mins | 2025-12-07 16:03:57.452Z | 288.05° WNW | 2025-12-07 16:06:57.452Z | 356.248° N | 39.605° | 2025-12-07 16:10:57.452Z | 81.922° E |
| 7 mins | 2025-12-07 17:44:57.452Z | 285.578° WNW | 2025-12-07 17:47:57.452Z | 187.629° SSW | 44.35° | 2025-12-07 17:51:57.452Z | 115.584° SE |
| 4 mins | 2025-12-07 19:26:57.452Z | 239.971° WSW | 2025-12-07 19:27:57.452Z | 220.842° SW | 19.15° | 2025-12-07 19:30:57.452Z | 171.663° S |
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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