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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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-5371
1 55489U 23015AS 26258.56741383 .00000180 00000-0 16080-4 0 9990
2 55489 43.0051 347.4889 0001732 280.9095 79.1562 15.27575176199639Epoch: 2026-09-15T13:37Z
TLE epoch observation values (Epoch: 2026-09-15T13:37:04.554Z)
Latitude
-0.00002°
Longitude
148.6884°
Altitude
482.616 km
Speed
7.626 km/s
True Right ascension
23h 09m 57s
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
16:43:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.197 km
Perigee altitude
483.819 km
Semi-major axis
6,863.145 km
Eccentricity
0.00017
Inclination
43.0051°
RAAN
347.4889°
Arg. of periapsis
280.9095°
True anomaly
79.17569°
Mean anomaly
79.1562°
Eccentric anomaly
79.16595°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.00001608
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-16 08:37:56.002Z | 193.232° SSW | 2026-09-16 08:40:56.002Z | 136.032° SSE | 21.317° | 2026-09-16 08:42:56.002Z | 99.78° ESE |
| 6 mins | 2026-09-16 10:16:56.002Z | 249.147° W | 2026-09-16 10:18:56.002Z | 240.481° WSW | 77.01° | 2026-09-16 10:22:56.002Z | 71.943° E |
| 6 mins | 2026-09-16 11:55:56.002Z | 288.16° WNW | 2026-09-16 11:57:56.002Z | 334.741° NNW | 48.488° | 2026-09-16 12:01:56.002Z | 75.413° E |
| 6 mins | 2026-09-16 13:34:56.002Z | 291.058° WNW | 2026-09-16 13:37:56.002Z | 77.322° E | 66.091° | 2026-09-16 13:40:56.002Z | 102.866° ESE |
| 4 mins | 2026-09-16 15:14:56.002Z | 247.622° W | 2026-09-16 15:15:56.002Z | 221.797° SW | 28.155° | 2026-09-16 15:18:56.002Z | 156.753° 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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