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 spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 STARLINK-5751
1 55576U 23020H 25340.50754597 .00000296 00000-0 36959-4 0 9994
2 55576 43.0029 124.8629 0001207 273.0942 86.9762 15.02529579155203Epoch: 2025-12-06T12:10Z
TLE epoch observation values (Epoch: 2025-12-06T12:10:51.971Z)
Latitude
-0.00005°
Longitude
-133.38798°
Altitude
558.833 km
Speed
7.584 km/s
True Right ascension
08h 19m 27s
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
03:08:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.86 km
Perigee altitude
560.185 km
Semi-major axis
6,939.16 km
Eccentricity
0.00012
Inclination
43.0029°
RAAN
124.8629°
Arg. of periapsis
273.0942°
True anomaly
86.99001°
Mean anomaly
86.9762°
Eccentric anomaly
86.98311°
Mean motion
3.75477 °/min
Orbital period
95.88 mins
BSTAR
0.000036959
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-07 12:17:36.803Z | 195.925° SSW | 2025-12-07 12:20:36.803Z | 144.911° SSE | 22.372° | 2025-12-07 12:23:36.803Z | 93.939° ESE |
| 6 mins | 2025-12-07 13:58:36.803Z | 249.154° W | 2025-12-07 14:00:36.803Z | 242.058° WSW | 43.992° | 2025-12-07 14:04:36.803Z | 72.228° E |
| 6 mins | 2025-12-07 15:39:36.803Z | 289.99° WNW | 2025-12-07 15:41:36.803Z | 345.123° N | 39.131° | 2025-12-07 15:45:36.803Z | 76.644° E |
| 7 mins | 2025-12-07 17:19:36.803Z | 289.247° WNW | 2025-12-07 17:22:36.803Z | 338.396° N | 44.672° | 2025-12-07 17:26:36.803Z | 105.408° ESE |
| 6 mins | 2025-12-07 19:00:36.803Z | 264.154° W | 2025-12-07 19:03:36.803Z | 200.908° SSW | 25.466° | 2025-12-07 19:06:36.803Z | 154.109° SSE |
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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