STARLINK-5364, 55491
Orbit data source: Space-Track
STARLINK-5364, 55491 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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55491 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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-5364
1 55491U 23015AU 25337.47780641 .00001366 00000-0 11616-3 0 9996
2 55491 43.0005 115.5500 0001121 272.8922 87.1792 15.02541325156433Epoch: 2025-12-03T11:28Z
TLE epoch observation values (Epoch: 2025-12-03T11:28:02.473Z)
Latitude
-0.00003°
Longitude
-129.00837°
Altitude
558.803 km
Speed
7.584 km/s
True Right ascension
07h 42m 11s
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
04:36:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.765 km
Perigee altitude
560.209 km
Semi-major axis
6,939.124 km
Eccentricity
0.00011
Inclination
43.0005°
RAAN
115.55°
Arg. of periapsis
272.8922°
True anomaly
87.19203°
Mean anomaly
87.1792°
Eccentric anomaly
87.18562°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.00011616
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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-5364 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 | 2025-12-04 11:34:31.376Z | 182.337° SSW | 2025-12-04 11:36:31.376Z | 151.764° SSE | 17.391° | 2025-12-04 11:39:31.376Z | 102.283° ESE |
| 6 mins | 2025-12-04 13:14:31.376Z | 239.328° WSW | 2025-12-04 13:17:31.376Z | 121.438° SE | 43.127° | 2025-12-04 13:20:31.376Z | 74.893° E |
| 6 mins | 2025-12-04 14:55:31.376Z | 283.212° WNW | 2025-12-04 14:58:31.376Z | 25.606° NE | 38.515° | 2025-12-04 15:01:31.376Z | 72.869° E |
| 6 mins | 2025-12-04 16:36:31.376Z | 292.624° NW | 2025-12-04 16:38:31.376Z | 324.736° NNW | 42.029° | 2025-12-04 16:42:31.376Z | 98.015° ESE |
| 5 mins | 2025-12-04 18:17:31.376Z | 262.218° W | 2025-12-04 18:19:31.376Z | 210.525° SW | 31.332° | 2025-12-04 18:22:31.376Z | 148.286° 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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