STARLINK-5742, 55583
Orbit data source: Space-Track
STARLINK-5742, 55583 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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55583 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-5742
1 55583U 23020Q 25340.78403309 .00001036 00000-0 91754-4 0 9991
2 55583 43.0019 149.4811 0001195 273.5893 86.4812 15.02537297154949Epoch: 2025-12-06T18:49Z
TLE epoch observation values (Epoch: 2025-12-06T18:49:00.458Z)
Latitude
-0.00008°
Longitude
151.4223°
Altitude
558.803 km
Speed
7.584 km/s
True Right ascension
09h 57m 55s
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
04:18:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.828 km
Perigee altitude
560.17 km
Semi-major axis
6,939.136 km
Eccentricity
0.00012
Inclination
43.0019°
RAAN
149.4811°
Arg. of periapsis
273.5893°
True anomaly
86.49487°
Mean anomaly
86.4812°
Eccentric anomaly
86.48803°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000091754
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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-5742 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 14:08:49.219Z | 201.226° SSW | 2025-12-07 14:11:49.219Z | 149.221° SSE | 24.767° | 2025-12-07 14:14:49.219Z | 93.29° ESE |
| 6 mins | 2025-12-07 15:49:49.219Z | 253.941° W | 2025-12-07 15:52:49.219Z | 61.791° ENE | 43.023° | 2025-12-07 15:55:49.219Z | 71.427° E |
| 6 mins | 2025-12-07 17:30:49.219Z | 289.967° WNW | 2025-12-07 17:32:49.219Z | 335.332° NNW | 38.377° | 2025-12-07 17:36:49.219Z | 77.464° E |
| 6 mins | 2025-12-07 19:11:49.219Z | 288.492° WNW | 2025-12-07 19:13:49.219Z | 291.35° WNW | 44.263° | 2025-12-07 19:17:49.219Z | 108.873° ESE |
| 5 mins | 2025-12-07 20:52:49.219Z | 250.176° W | 2025-12-07 20:54:49.219Z | 206.262° SW | 23.253° | 2025-12-07 20:57:49.219Z | 159.21° S |
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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