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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-5141
1 55500U 23015BD 26244.51832244 .00000808 00000-0 38880-4 0 9990
2 55500 43.0018 66.9338 0001762 261.6113 98.4539 15.27573127197481Epoch: 2026-09-01T12:26Z
TLE epoch observation values (Epoch: 2026-09-01T12:26:23.058Z)
Latitude
-0.00003°
Longitude
-100.34636°
Altitude
483.023 km
Speed
7.626 km/s
True Right ascension
04h 27m 44s
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
01:39:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.224 km
Perigee altitude
483.805 km
Semi-major axis
6,863.152 km
Eccentricity
0.00018
Inclination
43.0018°
RAAN
66.9338°
Arg. of periapsis
261.6113°
True anomaly
98.47387°
Mean anomaly
98.4539°
Eccentric anomaly
98.46389°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
0.00003888
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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 | 2026-09-02 15:19:14.859Z | 215.699° SW | 2026-09-02 15:22:14.859Z | 150.596° SSE | 31.085° | 2026-09-02 15:25:14.859Z | 85.408° E |
| 5 mins | 2026-09-02 16:59:14.859Z | 270.52° WNW | 2026-09-02 17:01:14.859Z | 6.013° NNE | 42.508° | 2026-09-02 17:04:14.859Z | 69.509° E |
| 5 mins | 2026-09-02 18:38:14.859Z | 296.015° NW | 2026-09-02 18:40:14.859Z | 1.268° NNE | 38.784° | 2026-09-02 18:43:14.859Z | 80.475° E |
| 5 mins | 2026-09-02 20:17:14.859Z | 281.271° WNW | 2026-09-02 20:19:14.859Z | 217.658° SW | 43.03° | 2026-09-02 20:22:14.859Z | 120.874° 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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