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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-5141
1 55500U 23015BD 25288.60496604 .00000442 00000-0 47790-4 0 9997
2 55500 43.0059 46.9657 0001326 270.2444 89.8246 15.02533769148786Epoch: 2025-10-15T14:31Z
TLE epoch observation values (Epoch: 2025-10-15T14:31:09.065Z)
Latitude
-0.00006°
Longitude
164.80121°
Altitude
558.862 km
Speed
7.584 km/s
True Right ascension
03h 07m 51s
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
18:46:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.929 km
Perigee altitude
560.089 km
Semi-major axis
6,939.146 km
Eccentricity
0.00013
Inclination
43.0059°
RAAN
46.9657°
Arg. of periapsis
270.2444°
True anomaly
89.83979°
Mean anomaly
89.8246°
Eccentric anomaly
89.8322°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.00004779
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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 | 2025-10-16 11:29:13.268Z | 222.052° SW | 2025-10-16 11:32:13.268Z | 132.009° SE | 37.245° | 2025-10-16 11:35:13.268Z | 79.808° E |
| 6 mins | 2025-10-16 13:10:13.268Z | 275.748° WNW | 2025-10-16 13:12:13.268Z | 326.75° NNW | 41.147° | 2025-10-16 13:16:13.268Z | 71.215° E |
| 6 mins | 2025-10-16 14:51:13.268Z | 295.394° NW | 2025-10-16 14:53:13.268Z | 348.96° N | 40.878° | 2025-10-16 14:57:13.268Z | 89.07° E |
| 7 mins | 2025-10-16 16:31:13.268Z | 279.2° WNW | 2025-10-16 16:34:13.268Z | 202.469° SSW | 39.382° | 2025-10-16 16:38:13.268Z | 128.582° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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