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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5371
1 55489U 23015AS 25340.48433267 -.00000856 00000-0 -48270-4 0 9999
2 55489 43.0017 125.4158 0001132 305.4081 54.6655 15.02543870156583Epoch: 2025-12-06T11:37Z
TLE epoch observation values (Epoch: 2025-12-06T11:37:26.342Z)
Latitude
-0.00006°
Longitude
-124.45543°
Altitude
558.379 km
Speed
7.584 km/s
True Right ascension
08h 21m 39s
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
22:10:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.764 km
Perigee altitude
560.193 km
Semi-major axis
6,939.116 km
Eccentricity
0.00011
Inclination
43.0017°
RAAN
125.4158°
Arg. of periapsis
305.4081°
True anomaly
54.67608°
Mean anomaly
54.6655°
Eccentric anomaly
54.67079°
Mean motion
3.7548 °/min
Orbital period
95.88 mins
BSTAR
-0.00004827
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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 | 2025-12-07 13:23:03.314Z | 228.267° WSW | 2025-12-07 13:26:03.314Z | 132.882° SE | 39.803° | 2025-12-07 13:29:03.314Z | 78.229° E |
| 6 mins | 2025-12-07 15:04:03.314Z | 278.346° WNW | 2025-12-07 15:06:03.314Z | 322.836° NNW | 39.909° | 2025-12-07 15:10:03.314Z | 71.46° E |
| 6 mins | 2025-12-07 16:45:03.314Z | 294.39° NW | 2025-12-07 16:47:03.314Z | 339.239° N | 41.121° | 2025-12-07 16:51:03.314Z | 91.714° ESE |
| 7 mins | 2025-12-07 18:25:03.314Z | 277.262° WNW | 2025-12-07 18:28:03.314Z | 208.265° SW | 36.852° | 2025-12-07 18:32:03.314Z | 133.288° 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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