STARLINK-5753, 55581
Orbit data source: Space-Track
STARLINK-5753, 55581 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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55581 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-5753
1 55581U 23020N 26023.65476018 .00003020 00000-0 23861-3 0 9999
2 55581 43.0041 249.4558 0001264 270.1822 89.8876 15.02523153162147Epoch: 2026-01-23T15:42Z
TLE epoch observation values (Epoch: 2026-01-23T15:42:51.279Z)
Latitude
0.00001°
Longitude
-109.24831°
Altitude
558.896 km
Speed
7.584 km/s
True Right ascension
16h 37m 49s
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
03:18:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.919 km
Perigee altitude
560.165 km
Semi-major axis
6,939.179 km
Eccentricity
0.00013
Inclination
43.0041°
RAAN
249.4558°
Arg. of periapsis
270.1822°
True anomaly
89.90208°
Mean anomaly
89.8876°
Eccentric anomaly
89.89484°
Mean motion
3.75475 °/min
Orbital period
95.88 mins
BSTAR
0.00023861
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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-5753 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 | 2026-01-24 17:25:03.386Z | 199.154° SSW | 2026-01-24 17:28:03.386Z | 152.518° SSE | 22.435° | 2026-01-24 17:31:03.386Z | 96.919° ESE |
| 6 mins | 2026-01-24 19:06:03.386Z | 249.75° W | 2026-01-24 19:09:03.386Z | 77.256° E | 44.049° | 2026-01-24 19:12:03.386Z | 72.141° E |
| 6 mins | 2026-01-24 20:47:03.386Z | 287.539° WNW | 2026-01-24 20:50:03.386Z | 26.682° NE | 38.152° | 2026-01-24 20:53:03.386Z | 75.531° E |
| 6 mins | 2026-01-24 22:28:03.386Z | 289.993° WNW | 2026-01-24 22:30:03.386Z | 304.507° NW | 43.22° | 2026-01-24 22:34:03.386Z | 105.52° ESE |
| 5 mins | 2026-01-25 00:09:03.386Z | 255.051° W | 2026-01-25 00:11:03.386Z | 209.682° SW | 25.657° | 2026-01-25 00:14:03.386Z | 157.061° 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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