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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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: 2 days ago
TLE from 2 days ago
0 STARLINK-5742
1 55583U 23020Q 26171.19506202 .00000385 00000-0 23510-4 0 9996
2 55583 43.0016 145.9652 0001486 264.4827 95.5855 15.27577507184596Epoch: 2026-06-20T04:40Z
TLE epoch observation values (Epoch: 2026-06-20T04:40:53.358Z)
Latitude
-0.00003°
Longitude
167.32967°
Altitude
482.932 km
Speed
7.626 km/s
True Right ascension
09h 43m 51s
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
21:38:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.021 km
Perigee altitude
483.982 km
Semi-major axis
6,863.138 km
Eccentricity
0.00015
Inclination
43.0016°
RAAN
145.9652°
Arg. of periapsis
264.4827°
True anomaly
95.60245°
Mean anomaly
95.5855°
Eccentric anomaly
95.59397°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.00002351
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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 | 2026-06-23 00:21:04.739Z | 205.546° SW | 2026-06-23 00:24:04.739Z | 145.888° SSE | 25.303° | 2026-06-23 00:27:04.739Z | 88.998° E |
| 6 mins | 2026-06-23 02:00:04.739Z | 258.119° W | 2026-06-23 02:03:04.739Z | 39.639° NE | 43.28° | 2026-06-23 02:06:04.739Z | 70.673° E |
| 5 mins | 2026-06-23 03:40:04.739Z | 296.262° NW | 2026-06-23 03:42:04.739Z | 11.6° NNE | 37.927° | 2026-06-23 03:45:04.739Z | 77.224° E |
| 5 mins | 2026-06-23 05:19:04.739Z | 286.875° WNW | 2026-06-23 05:21:04.739Z | 181.32° SSW | 44.922° | 2026-06-23 05:24:04.739Z | 111.374° ESE |
| 4 mins | 2026-06-23 06:58:04.739Z | 248.701° W | 2026-06-23 07:00:04.739Z | 205.346° SW | 19.481° | 2026-06-23 07:02:04.739Z | 169.764° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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