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: 4 hours ago
TLE from 4 hours ago
0 STARLINK-5141
1 55500U 23015BD 26305.83335647 .00072396 00000-0 26158-2 0 9992
2 55500 43.0027 80.6625 0002032 275.5897 348.4103 15.27564723 5842Epoch: 2026-11-01T20:00Z
TLE epoch observation values (Epoch: 2026-11-01T20:00:01.999Z)
Latitude
-42.86931°
Longitude
1.36581°
Altitude
494.959 km
Speed
7.618 km/s
True Right ascension
22h 49m 58s
True Declination
-42° 41' 29"
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
19:33:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.434 km
Perigee altitude
483.645 km
Semi-major axis
6,863.177 km
Eccentricity
0.0002
Inclination
43.0027°
RAAN
80.6625°
Arg. of periapsis
275.5897°
True anomaly
348.40562°
Mean anomaly
348.4103°
Eccentric anomaly
348.40796°
Mean motion
3.81729 °/min
Orbital period
94.31 mins
BSTAR
0.0026158
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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 | 2026-11-02 12:19:08.192Z | 208.882° SW | 2026-11-02 12:22:08.192Z | 131.791° SE | 33.322° | 2026-11-02 12:24:08.192Z | 90.855° ESE |
| 6 mins | 2026-11-02 13:58:08.192Z | 265.726° W | 2026-11-02 14:00:08.192Z | 307.68° NW | 64.551° | 2026-11-02 14:04:08.192Z | 70.399° E |
| 6 mins | 2026-11-02 15:37:08.192Z | 292.106° WNW | 2026-11-02 15:40:08.192Z | 33.063° NE | 48.299° | 2026-11-02 15:43:08.192Z | 81.111° E |
| 6 mins | 2026-11-02 17:16:08.192Z | 285.052° WNW | 2026-11-02 17:19:08.192Z | 147.421° SSE | 66.473° | 2026-11-02 17:22:08.192Z | 116.786° 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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