STARLINK-5747, 55574
Orbit data source: Space-Track
STARLINK-5747, 55574 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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55574 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-5747
1 55574U 23020F 25340.86050438 .00000867 00000-0 79224-4 0 9990
2 55574 43.0018 149.1948 0000839 266.6775 93.3971 15.02528295154954Epoch: 2025-12-06T20:39Z
TLE epoch observation values (Epoch: 2025-12-06T20:39:07.578Z)
Latitude
-0.00004°
Longitude
123.531°
Altitude
558.916 km
Speed
7.584 km/s
True Right ascension
09h 56m 46s
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
04:17:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.609 km
Perigee altitude
560.445 km
Semi-major axis
6,939.164 km
Eccentricity
0.00008
Inclination
43.0018°
RAAN
149.1948°
Arg. of periapsis
266.6775°
True anomaly
93.4067°
Mean anomaly
93.3971°
Eccentric anomaly
93.4019°
Mean motion
3.75476 °/min
Orbital period
95.88 mins
BSTAR
0.000079224
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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-5747 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-07 14:23:15.708Z | 212.737° SW | 2025-12-07 14:27:15.708Z | 139.017° SSE | 28.806° | 2025-12-07 14:30:15.708Z | 86.763° E |
| 6 mins | 2025-12-07 16:05:15.708Z | 262.334° W | 2025-12-07 16:07:15.708Z | 311.642° NW | 43.89° | 2025-12-07 16:11:15.708Z | 70.992° E |
| 6 mins | 2025-12-07 17:46:15.708Z | 294.57° NW | 2025-12-07 17:48:15.708Z | 354.371° N | 39.521° | 2025-12-07 17:52:15.708Z | 81.506° E |
| 7 mins | 2025-12-07 19:26:15.708Z | 285.9° WNW | 2025-12-07 19:29:15.708Z | 192.792° SSW | 44.494° | 2025-12-07 19:33:15.708Z | 114.966° SE |
| 4 mins | 2025-12-07 21:08:15.708Z | 240.809° WSW | 2025-12-07 21:09:15.708Z | 221.533° SW | 19.496° | 2025-12-07 21:12:15.708Z | 171.396° 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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