STARLINK-5371, 55489
Orbit data source: Space-Track
STARLINK-5371, 55489 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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55489 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-5371
1 55489U 23015AS 25288.69808331 -.00000488 00000-0 -21062-4 0 9992
2 55489 43.0011 46.8056 0001806 279.2667 80.7971 15.02542878148798Epoch: 2025-10-15T16:45Z
TLE epoch observation values (Epoch: 2025-10-15T16:45:14.397Z)
Latitude
-0.00004°
Longitude
131.02714°
Altitude
558.636 km
Speed
7.584 km/s
True Right ascension
03h 07m 13s
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
22:02:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
562.235 km
Perigee altitude
559.729 km
Semi-major axis
6,939.119 km
Eccentricity
0.00018
Inclination
43.0011°
RAAN
46.8056°
Arg. of periapsis
279.2667°
True anomaly
80.81753°
Mean anomaly
80.7971°
Eccentric anomaly
80.80731°
Mean motion
3.7548 °/min
Orbital period
95.88 mins
BSTAR
-0.000021062
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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-5371 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 | 2025-10-16 10:28:55.339Z | 190.534° SSW | 2025-10-16 10:31:55.339Z | 139.941° SSE | 20.287° | 2025-10-16 10:34:55.339Z | 93.691° ESE |
| 7 mins | 2025-10-16 12:08:55.339Z | 245.601° WSW | 2025-10-16 12:11:55.339Z | 190.11° SSW | 44.594° | 2025-10-16 12:15:55.339Z | 72.866° E |
| 7 mins | 2025-10-16 13:49:55.339Z | 283.068° WNW | 2025-10-16 13:52:55.339Z | 0.371° NNE | 39.546° | 2025-10-16 13:56:55.339Z | 76.291° E |
| 7 mins | 2025-10-16 15:30:55.339Z | 290.37° WNW | 2025-10-16 15:33:55.339Z | 39.744° NE | 44.292° | 2025-10-16 15:37:55.339Z | 102.739° ESE |
| 6 mins | 2025-10-16 17:11:55.339Z | 263.816° W | 2025-10-16 17:13:55.339Z | 222.924° SW | 27.855° | 2025-10-16 17:17:55.339Z | 149.076° 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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