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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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: 5 hours ago
TLE from 5 hours ago
0 STARLINK-5364
1 55491U 23015AU 26132.83335647 .00009145 00000-0 34157-3 0 9990
2 55491 42.9995 319.1553 0001333 276.9297 135.6285 15.27568045 5797Epoch: 2026-05-12T20:00Z
TLE epoch observation values (Epoch: 2026-05-12T20:00:01.999Z)
Latitude
32.91484°
Longitude
-167.79983°
Altitude
484.81 km
Speed
7.627 km/s
True Right ascension
00h 11m 14s
True Declination
32° 45' 07"
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
09:31:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.945 km
Perigee altitude
484.115 km
Semi-major axis
6,863.167 km
Eccentricity
0.00013
Inclination
42.9995°
RAAN
319.1553°
Arg. of periapsis
276.9297°
True anomaly
135.63918°
Mean anomaly
135.6285°
Eccentric anomaly
135.63384°
Mean motion
3.8173 °/min
Orbital period
94.31 mins
BSTAR
0.00034157
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-13 14:47:18.876Z | 177.65° S | 2026-05-13 14:49:18.876Z | 141.341° SSE | 16.359° | 2026-05-13 14:51:18.876Z | 106.216° ESE |
| 6 mins | 2026-05-13 16:25:18.876Z | 240.61° WSW | 2026-05-13 16:27:18.876Z | 212.915° SW | 41.808° | 2026-05-13 16:31:18.876Z | 73.911° E |
| 6 mins | 2026-05-13 18:04:18.876Z | 283.309° WNW | 2026-05-13 18:07:18.876Z | 25.994° NE | 36.876° | 2026-05-13 18:10:18.876Z | 73.286° E |
| 6 mins | 2026-05-13 19:43:18.876Z | 291.545° WNW | 2026-05-13 19:46:18.876Z | 48.669° ENE | 42.47° | 2026-05-13 19:49:18.876Z | 97.526° ESE |
| 4 mins | 2026-05-13 21:23:18.876Z | 255.811° W | 2026-05-13 21:25:18.876Z | 193.127° SSW | 28.652° | 2026-05-13 21:27:18.876Z | 151.674° 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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