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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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: 2 days ago
TLE from 2 days ago
0 STARLINK-5747
1 55574U 23020F 26171.37931198 .00000242 00000-0 18333-4 0 9991
2 55574 43.0021 149.0378 0001022 298.1126 61.9623 15.27575858184579Epoch: 2026-06-20T09:06Z
TLE epoch observation values (Epoch: 2026-06-20T09:06:12.555Z)
Latitude
0.00005°
Longitude
103.89076°
Altitude
482.508 km
Speed
7.626 km/s
True Right ascension
09h 56m 09s
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
21:40:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.708 km
Perigee altitude
484.305 km
Semi-major axis
6,863.143 km
Eccentricity
0.0001
Inclination
43.0021°
RAAN
149.0378°
Arg. of periapsis
298.1126°
True anomaly
61.97264°
Mean anomaly
61.9623°
Eccentric anomaly
61.96747°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000018333
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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 | 2026-06-23 00:03:10.042Z | 180.855° SSW | 2026-06-23 00:05:10.042Z | 147.494° SSE | 15.673° | 2026-06-23 00:07:10.042Z | 111.066° ESE |
| 5 mins | 2026-06-23 01:42:10.042Z | 235.938° WSW | 2026-06-23 01:44:10.042Z | 123.8° SE | 42.87° | 2026-06-23 01:47:10.042Z | 74.733° E |
| 5 mins | 2026-06-23 03:21:10.042Z | 289.062° WNW | 2026-06-23 03:23:10.042Z | 7.934° NNE | 38.409° | 2026-06-23 03:26:10.042Z | 71.718° E |
| 5 mins | 2026-06-23 05:00:10.042Z | 294.888° NW | 2026-06-23 05:02:10.042Z | 10.201° NNE | 42.979° | 2026-06-23 05:05:10.042Z | 95.759° ESE |
| 5 mins | 2026-06-23 06:39:10.042Z | 261.921° W | 2026-06-23 06:41:10.042Z | 203.963° SW | 30.242° | 2026-06-23 06:44:10.042Z | 144.477° 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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