STARLINK-5751, 55576
Orbit data source: Space-Track
STARLINK-5751, 55576 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 12 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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55576 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: 22 hours ago
TLE from 22 hours ago
0 STARLINK-5751
1 55576U 23020H 25344.69563981 .00000930 00000-0 83912-4 0 9999
2 55576 43.0040 102.1059 0001342 273.0450 87.0239 15.02538352155835Epoch: 2025-12-10T16:41Z
TLE epoch observation values (Epoch: 2025-12-10T16:41:43.279Z)
Latitude
-0.00001°
Longitude
132.01329°
Altitude
558.802 km
Speed
7.584 km/s
True Right ascension
06h 48m 25s
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
12:58:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.927 km
Perigee altitude
560.064 km
Semi-major axis
6,939.133 km
Eccentricity
0.00013
Inclination
43.004°
RAAN
102.1059°
Arg. of periapsis
273.045°
True anomaly
87.03926°
Mean anomaly
87.0239°
Eccentric anomaly
87.03158°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.000083912
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Other satellites on launch #20 in the year 2023 (2023-02-12 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-5751 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 | 2025-12-11 15:26:45.813Z | 289.836° WNW | 2025-12-11 15:29:45.813Z | 330.07° NNW | 43.318° | 2025-12-11 15:33:45.813Z | 100.652° ESE |
| 5 mins | 2025-12-11 17:08:45.813Z | 257.623° W | 2025-12-11 17:10:45.813Z | 205.53° SW | 29.323° | 2025-12-11 17:13:45.813Z | 150.241° SSE |
| 5 mins | 2025-12-12 10:22:45.813Z | 191.701° SSW | 2025-12-12 10:24:45.813Z | 150.456° SSE | 25.259° | 2025-12-12 10:27:45.813Z | 93.226° ESE |
| 6 mins | 2025-12-12 12:02:45.813Z | 254.835° W | 2025-12-12 12:05:45.813Z | 57.527° ENE | 43.298° | 2025-12-12 12:08:45.813Z | 71.241° E |
| 6 mins | 2025-12-12 13:43:45.813Z | 289.901° WNW | 2025-12-12 13:45:45.813Z | 333.047° NNW | 38.136° | 2025-12-12 13:49:45.813Z | 77.598° E |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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