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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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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-5373
1 55490U 23015AT 26244.54901695 -.00002861 00000-0 -94456-4 0 9992
2 55490 43.0038 66.3100 0001096 276.8539 83.2188 15.27585497197498Epoch: 2026-09-01T13:10Z
TLE epoch observation values (Epoch: 2026-09-01T13:10:35.064Z)
Latitude
-0.00002°
Longitude
-112.05043°
Altitude
482.72 km
Speed
7.626 km/s
True Right ascension
04h 25m 14s
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
01:47:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.729 km
Perigee altitude
484.225 km
Semi-major axis
6,863.114 km
Eccentricity
0.00011
Inclination
43.0038°
RAAN
66.31°
Arg. of periapsis
276.8539°
True anomaly
83.23127°
Mean anomaly
83.2188°
Eccentric anomaly
83.22504°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
-0.000094456
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-09-02 14:28:08.146Z | 178.638° S | 2026-09-02 14:30:08.146Z | 142.834° SSE | 16.352° | 2026-09-02 14:32:08.146Z | 107.199° ESE |
| 6 mins | 2026-09-02 16:06:08.146Z | 240.786° WSW | 2026-09-02 16:09:08.146Z | 101.808° ESE | 41.508° | 2026-09-02 16:12:08.146Z | 73.998° E |
| 6 mins | 2026-09-02 17:45:08.146Z | 282.819° WNW | 2026-09-02 17:48:08.146Z | 22.022° NNE | 37.315° | 2026-09-02 17:51:08.146Z | 72.966° E |
| 5 mins | 2026-09-02 19:25:08.146Z | 295.957° NW | 2026-09-02 19:27:08.146Z | 40.807° NE | 42.805° | 2026-09-02 19:30:08.146Z | 97.306° ESE |
| 5 mins | 2026-09-02 21:04:08.146Z | 257.198° W | 2026-09-02 21:06:08.146Z | 195.689° SSW | 28.934° | 2026-09-02 21:09:08.146Z | 144.157° SSE |
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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