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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-5754
1 55579U 23020L 25345.09731782 -.00000838 00000-0 -46990-4 0 9997
2 55579 43.0033 125.9467 0001427 276.6124 83.4556 15.02533403155594Epoch: 2025-12-11T02:20Z
TLE epoch observation values (Epoch: 2025-12-11T02:20:08.259Z)
Latitude
-0.00002°
Longitude
10.85408°
Altitude
558.753 km
Speed
7.584 km/s
True Right ascension
08h 23m 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
13:56:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
562.001 km
Perigee altitude
560.021 km
Semi-major axis
6,939.148 km
Eccentricity
0.00014
Inclination
43.0033°
RAAN
125.9467°
Arg. of periapsis
276.6124°
True anomaly
83.47185°
Mean anomaly
83.4556°
Eccentric anomaly
83.46372°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
-0.00004699
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-12-11 17:05:49.955Z | 288.931° WNW | 2025-12-11 17:09:49.955Z | 30.164° NE | 43.863° | 2025-12-11 17:13:49.955Z | 100.311° ESE |
| 6 mins | 2025-12-11 18:47:49.955Z | 266.285° W | 2025-12-11 18:49:49.955Z | 225.002° WSW | 29.649° | 2025-12-11 18:53:49.955Z | 146.168° SSE |
| 5 mins | 2025-12-12 12:02:49.955Z | 184.591° SSW | 2025-12-12 12:04:49.955Z | 139.758° SSE | 24.437° | 2025-12-12 12:07:49.955Z | 90.26° ESE |
| 7 mins | 2025-12-12 13:41:49.955Z | 253.048° W | 2025-12-12 13:44:49.955Z | 279.48° WNW | 44.754° | 2025-12-12 13:48:49.955Z | 71.676° E |
| 7 mins | 2025-12-12 15:22:49.955Z | 285.732° WNW | 2025-12-12 15:25:49.955Z | 357.292° N | 39.362° | 2025-12-12 15:29:49.955Z | 78.629° E |
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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