STARLINK-5752, 55577
Orbit data source: Space-Track
STARLINK-5752, 55577 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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55577 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-5752
1 55577U 23020J 25340.53031933 .00000541 00000-0 55085-4 0 9994
2 55577 43.0005 150.9520 0001319 268.8376 91.2315 15.02534121154903Epoch: 2025-12-06T12:43Z
TLE epoch observation values (Epoch: 2025-12-06T12:43:39.590Z)
Latitude
-0.00001°
Longitude
-115.51971°
Altitude
558.883 km
Speed
7.584 km/s
True Right ascension
10h 03m 48s
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
02:11:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.924 km
Perigee altitude
560.094 km
Semi-major axis
6,939.146 km
Eccentricity
0.00013
Inclination
43.0005°
RAAN
150.952°
Arg. of periapsis
268.8376°
True anomaly
91.24661°
Mean anomaly
91.2315°
Eccentric anomaly
91.23906°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000055085
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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-5752 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 14:27:24.586Z | 208.573° SW | 2025-12-07 14:30:24.586Z | 144.934° SSE | 30.071° | 2025-12-07 14:33:24.586Z | 87.33° E |
| 6 mins | 2025-12-07 16:08:24.586Z | 263.343° W | 2025-12-07 16:10:24.586Z | 296.919° NW | 42.739° | 2025-12-07 16:14:24.586Z | 70.601° E |
| 6 mins | 2025-12-07 17:49:24.586Z | 293.164° NW | 2025-12-07 17:51:24.586Z | 342.09° N | 39.065° | 2025-12-07 17:55:24.586Z | 81.586° E |
| 7 mins | 2025-12-07 19:29:24.586Z | 285.564° WNW | 2025-12-07 19:32:24.586Z | 228.438° WSW | 44.005° | 2025-12-07 19:36:24.586Z | 116.652° SE |
| 4 mins | 2025-12-07 21:11:24.586Z | 243.256° WSW | 2025-12-07 21:12:24.586Z | 225.144° WSW | 18.481° | 2025-12-07 21:15:24.586Z | 174.773° S |
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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