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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-5364
1 55491U 23015AU 26258.43117522 .00000052 00000-0 11430-4 0 9993
2 55491 43.0035 329.8488 0001240 272.6750 87.3959 15.27578201199827Epoch: 2026-09-15T10:20Z
TLE epoch observation values (Epoch: 2026-09-15T10:20:53.539Z)
Latitude
-0.00009°
Longitude
-179.77159°
Altitude
482.792 km
Speed
7.626 km/s
True Right ascension
21h 59m 23s
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
09:25:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.85 km
Perigee altitude
484.148 km
Semi-major axis
6,863.136 km
Eccentricity
0.00012
Inclination
43.0035°
RAAN
329.8488°
Arg. of periapsis
272.675°
True anomaly
87.41009°
Mean anomaly
87.3959°
Eccentric anomaly
87.403°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.00001143
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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 | 2026-09-16 08:33:47.464Z | 226.44° WSW | 2026-09-16 08:35:47.464Z | 145.432° SSE | 59.327° | 2026-09-16 08:38:47.464Z | 77.436° E |
| 5 mins | 2026-09-16 10:12:47.464Z | 284.037° WNW | 2026-09-16 10:14:47.464Z | 0.531° NNE | 55.167° | 2026-09-16 10:17:47.464Z | 69.588° E |
| 5 mins | 2026-09-16 11:51:47.464Z | 296.309° NW | 2026-09-16 11:53:47.464Z | 359.354° N | 60.616° | 2026-09-16 11:56:47.464Z | 89.315° E |
| 5 mins | 2026-09-16 13:30:47.464Z | 270.053° WNW | 2026-09-16 13:32:47.464Z | 209.655° SW | 45.637° | 2026-09-16 13:35:47.464Z | 137.271° SSE |
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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