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: 1 day ago
TLE from 1 day ago
0 STARLINK-5742
1 55583U 23020Q 26061.34100553 -.00000451 00000-0 -18330-4 0 9990
2 55583 43.0062 44.5874 0001355 267.6893 92.3794 15.02560848167816Epoch: 2026-03-02T08:11Z
TLE epoch observation values (Epoch: 2026-03-02T08:11:02.877Z)
Latitude
-0.00005°
Longitude
121.68955°
Altitude
558.821 km
Speed
7.584 km/s
True Right ascension
02h 58m 20s
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
14:45:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.866 km
Perigee altitude
559.986 km
Semi-major axis
6,939.063 km
Eccentricity
0.00014
Inclination
43.0062°
RAAN
44.5874°
Arg. of periapsis
267.6893°
True anomaly
92.39491°
Mean anomaly
92.3794°
Eccentric anomaly
92.38716°
Mean motion
3.75484 °/min
Orbital period
95.88 mins
BSTAR
-0.00001833
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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 | 2026-03-04 01:53:58.229Z | 217.327° SW | 2026-03-04 01:55:58.229Z | 160.728° S | 37.699° | 2026-03-04 01:59:58.229Z | 78.073° E |
| 6 mins | 2026-03-04 03:33:58.229Z | 272.468° WNW | 2026-03-04 03:36:58.229Z | 7.38° NNE | 41.503° | 2026-03-04 03:39:58.229Z | 69.499° E |
| 6 mins | 2026-03-04 05:14:58.229Z | 292.187° WNW | 2026-03-04 05:17:58.229Z | 27.114° NE | 40.85° | 2026-03-04 05:20:58.229Z | 87.026° E |
| 6 mins | 2026-03-04 06:55:58.229Z | 276.536° WNW | 2026-03-04 06:57:58.229Z | 234.357° WSW | 38.345° | 2026-03-04 07:01:58.229Z | 129.783° SE |
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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