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 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: 1 day ago
TLE from 1 day ago
0 STARLINK-5747
1 55574U 23020F 25338.20138140 .00000876 00000-0 79924-4 0 9999
2 55574 43.0044 163.6462 0001353 267.4160 92.6527 15.02541464154552Epoch: 2025-12-04T04:49Z
TLE epoch observation values (Epoch: 2025-12-04T04:49:59.352Z)
Latitude
-0.00007°
Longitude
17.8876°
Altitude
558.885 km
Speed
7.584 km/s
True Right ascension
10h 54m 35s
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
12:20:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.925 km
Perigee altitude
560.047 km
Semi-major axis
6,939.123 km
Eccentricity
0.00014
Inclination
43.0044°
RAAN
163.6462°
Arg. of periapsis
267.416°
True anomaly
92.66819°
Mean anomaly
92.6527°
Eccentric anomaly
92.66044°
Mean motion
3.7548 °/min
Orbital period
95.88 mins
BSTAR
0.000079924
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-05 14:31:10.358Z | 175.404° S | 2025-12-05 14:33:10.358Z | 142.534° SSE | 16.97° | 2025-12-05 14:35:10.358Z | 109.325° ESE |
| 6 mins | 2025-12-05 16:11:10.358Z | 235.685° WSW | 2025-12-05 16:13:10.358Z | 184.874° SSW | 42.943° | 2025-12-05 16:17:10.358Z | 74.479° E |
| 7 mins | 2025-12-05 17:51:10.358Z | 279.423° WNW | 2025-12-05 17:54:10.358Z | 353.288° N | 40.036° | 2025-12-05 17:58:10.358Z | 74.218° E |
| 7 mins | 2025-12-05 19:32:10.358Z | 291.124° WNW | 2025-12-05 19:35:10.358Z | 16.771° NNE | 43.395° | 2025-12-05 19:39:10.358Z | 97.824° ESE |
| 6 mins | 2025-12-05 21:13:10.358Z | 269.347° W | 2025-12-05 21:16:10.358Z | 192.535° SSW | 31.431° | 2025-12-05 21:19:10.358Z | 143.428° 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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