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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-5371
1 55489U 23015AS 26036.71043310 .00003134 00000-0 24699-3 0 9992
2 55489 43.0033 152.7311 0001374 268.7810 91.2875 15.02537747165794Epoch: 2026-02-05T17:03Z
TLE epoch observation values (Epoch: 2026-02-05T17:03:01.419Z)
Latitude
-0.00003°
Longitude
121.1164°
Altitude
558.874 km
Speed
7.584 km/s
True Right ascension
10h 10m 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
01:59:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.951 km
Perigee altitude
560.044 km
Semi-major axis
6,939.135 km
Eccentricity
0.00014
Inclination
43.0033°
RAAN
152.7311°
Arg. of periapsis
268.781°
True anomaly
91.30324°
Mean anomaly
91.2875°
Eccentric anomaly
91.29537°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.00024699
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-02-06 10:47:49.544Z | 216.276° SW | 2026-02-06 10:50:49.544Z | 167.359° S | 31.228° | 2026-02-06 10:54:49.544Z | 83.227° E |
| 7 mins | 2026-02-06 12:28:49.544Z | 264.153° W | 2026-02-06 12:31:49.544Z | 342.874° N | 43.449° | 2026-02-06 12:35:49.544Z | 71.188° E |
| 7 mins | 2026-02-06 14:09:49.544Z | 289.702° WNW | 2026-02-06 14:12:49.544Z | 6.551° NNE | 40.01° | 2026-02-06 14:16:49.544Z | 84.316° E |
| 6 mins | 2026-02-06 15:50:49.544Z | 283.408° WNW | 2026-02-06 15:53:49.544Z | 174.699° S | 43.04° | 2026-02-06 15:56:49.544Z | 120.685° 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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