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 26035.29937498 .00000226 00000-0 31826-4 0 9996
2 55491 43.0009 134.1970 0001200 276.8293 83.2413 15.02534212165881Epoch: 2026-02-04T07:11Z
TLE epoch observation values (Epoch: 2026-02-04T07:11:05.998Z)
Latitude
0.00001°
Longitude
-108.04593°
Altitude
558.765 km
Speed
7.584 km/s
True Right ascension
08h 56m 47s
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
04:39:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.842 km
Perigee altitude
560.176 km
Semi-major axis
6,939.146 km
Eccentricity
0.00012
Inclination
43.0009°
RAAN
134.197°
Arg. of periapsis
276.8293°
True anomaly
83.25496°
Mean anomaly
83.2413°
Eccentric anomaly
83.24813°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000031826
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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 | 2026-02-05 08:53:47.109Z | 190.029° SSW | 2026-02-05 08:56:47.109Z | 135.728° SSE | 21.021° | 2026-02-05 08:58:47.109Z | 101.264° ESE |
| 7 mins | 2026-02-05 10:33:47.109Z | 247.257° WSW | 2026-02-05 10:36:47.109Z | 130.191° SE | 44.825° | 2026-02-05 10:40:47.109Z | 72.499° E |
| 6 mins | 2026-02-05 12:14:47.109Z | 284.839° WNW | 2026-02-05 12:17:47.109Z | 11.89° NNE | 39.196° | 2026-02-05 12:20:47.109Z | 73.633° E |
| 6 mins | 2026-02-05 13:55:47.109Z | 290.303° WNW | 2026-02-05 13:58:47.109Z | 70.562° E | 43.89° | 2026-02-05 14:01:47.109Z | 103.18° ESE |
| 5 mins | 2026-02-05 15:36:47.109Z | 260.392° W | 2026-02-05 15:38:47.109Z | 217.158° SW | 27.079° | 2026-02-05 15:41:47.109Z | 157.11° 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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