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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5742
1 55583U 23020Q 25345.10509680 .00000074 00000-0 20576-4 0 9996
2 55583 43.0029 126.0012 0001036 271.8257 88.2466 15.02531912155598Epoch: 2025-12-11T02:31Z
TLE epoch observation values (Epoch: 2025-12-11T02:31:20.363Z)
Latitude
-0.00007°
Longitude
8.10043°
Altitude
558.848 km
Speed
7.584 km/s
True Right ascension
08h 24m 00s
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
13:06:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.734 km
Perigee altitude
560.297 km
Semi-major axis
6,939.153 km
Eccentricity
0.0001
Inclination
43.0029°
RAAN
126.0012°
Arg. of periapsis
271.8257°
True anomaly
88.25847°
Mean anomaly
88.2466°
Eccentric anomaly
88.25253°
Mean motion
3.75477 °/min
Orbital period
95.88 mins
BSTAR
0.000020576
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-11 15:36:43.260Z | 280.125° WNW | 2025-12-11 15:40:43.260Z | 6.879° NNE | 39.342° | 2025-12-11 15:43:43.260Z | 73.396° E |
| 6 mins | 2025-12-11 17:18:43.260Z | 290.037° WNW | 2025-12-11 17:21:43.260Z | 64.103° ENE | 44.274° | 2025-12-11 17:24:43.260Z | 103.537° ESE |
| 5 mins | 2025-12-11 18:59:43.260Z | 261.07° W | 2025-12-11 19:01:43.260Z | 219.329° SW | 26.687° | 2025-12-11 19:04:43.260Z | 158.376° S |
| 6 mins | 2025-12-12 12:13:43.260Z | 201.388° SSW | 2025-12-12 12:16:43.260Z | 134.722° SE | 27.335° | 2025-12-12 12:19:43.260Z | 86.549° E |
| 7 mins | 2025-12-12 13:53:43.260Z | 258.285° W | 2025-12-12 13:56:43.260Z | 337.281° NNW | 44.465° | 2025-12-12 14:00:43.260Z | 71.298° 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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