STARLINK-5373, 55490
Orbit data source: Space-Track
STARLINK-5373, 55490 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 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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55490 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-5373
1 55490U 23015AT 26035.64456340 .00000684 00000-0 65725-4 0 9999
2 55490 43.0010 158.4825 0001206 270.7577 89.3127 15.02539008165634Epoch: 2026-02-04T15:28Z
TLE epoch observation values (Epoch: 2026-02-04T15:28:10.277Z)
Latitude
-0.00004°
Longitude
151.63146°
Altitude
558.838 km
Speed
7.584 km/s
True Right ascension
10h 33m 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
03:02:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.831 km
Perigee altitude
560.157 km
Semi-major axis
6,939.131 km
Eccentricity
0.00012
Inclination
43.001°
RAAN
158.4825°
Arg. of periapsis
270.7577°
True anomaly
89.32652°
Mean anomaly
89.3127°
Eccentric anomaly
89.31961°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.000065725
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Other satellites on launch #15 in the year 2023 (2023-02-02 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-5373 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 | 2026-02-05 10:48:27.698Z | 195.758° SSW | 2026-02-05 10:51:27.698Z | 135.792° SSE | 24.203° | 2026-02-05 10:54:27.698Z | 89.029° E |
| 7 mins | 2026-02-05 12:28:27.698Z | 253.12° W | 2026-02-05 12:31:27.698Z | 346.918° N | 44.949° | 2026-02-05 12:35:27.698Z | 71.761° E |
| 7 mins | 2026-02-05 14:09:27.698Z | 286.586° WNW | 2026-02-05 14:12:27.698Z | 7.526° NNE | 39.303° | 2026-02-05 14:16:27.698Z | 79.138° E |
| 6 mins | 2026-02-05 15:50:27.698Z | 288.481° WNW | 2026-02-05 15:53:27.698Z | 101.124° ESE | 44.557° | 2026-02-05 15:56:27.698Z | 108.371° ESE |
| 5 mins | 2026-02-05 17:31:27.698Z | 257.514° W | 2026-02-05 17:33:27.698Z | 218.072° SW | 23.676° | 2026-02-05 17:36:27.698Z | 163.122° 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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