STARLINK-5754, 55579
Orbit data source: Space-Track
STARLINK-5754, 55579 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 12 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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55579 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5754
1 55579U 23020L 25340.77626478 .00000154 00000-0 26482-4 0 9995
2 55579 43.0021 149.4257 0001172 270.7334 89.3374 15.02533895154940Epoch: 2025-12-06T18:37Z
TLE epoch observation values (Epoch: 2025-12-06T18:37:49.276Z)
Latitude
-0°
Longitude
154.17123°
Altitude
558.855 km
Speed
7.584 km/s
True Right ascension
09h 57m 42s
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
04:17:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.823 km
Perigee altitude
560.196 km
Semi-major axis
6,939.147 km
Eccentricity
0.00012
Inclination
43.0021°
RAAN
149.4257°
Arg. of periapsis
270.7334°
True anomaly
89.35083°
Mean anomaly
89.3374°
Eccentric anomaly
89.34411°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000026482
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Other satellites on launch #20 in the year 2023 (2023-02-12 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-5754 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-07 13:57:15.123Z | 194.829° SSW | 2025-12-07 14:00:15.123Z | 144.915° SSE | 21.661° | 2025-12-07 14:03:15.123Z | 94.598° ESE |
| 6 mins | 2025-12-07 15:38:15.123Z | 247.6° W | 2025-12-07 15:40:15.123Z | 234.311° WSW | 43.94° | 2025-12-07 15:44:15.123Z | 72.479° E |
| 6 mins | 2025-12-07 17:19:15.123Z | 289.516° WNW | 2025-12-07 17:21:15.123Z | 345.195° N | 39.193° | 2025-12-07 17:25:15.123Z | 76.247° E |
| 7 mins | 2025-12-07 18:59:15.123Z | 289.502° WNW | 2025-12-07 19:02:15.123Z | 344.86° N | 44.564° | 2025-12-07 19:06:15.123Z | 104.388° ESE |
| 6 mins | 2025-12-07 20:40:15.123Z | 264.907° W | 2025-12-07 20:43:15.123Z | 200.428° SSW | 26.229° | 2025-12-07 20:46:15.123Z | 152.92° 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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