STARLINK-5743, 55597
Orbit data source: Space-Track
STARLINK-5743, 55597 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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55597 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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-5743
1 55597U 23020AE 25340.74334740 .00001146 00000-0 99876-4 0 9999
2 55597 43.0024 137.0741 0001271 271.0223 89.0474 15.02534565155084Epoch: 2025-12-06T17:50Z
TLE epoch observation values (Epoch: 2025-12-06T17:50:25.215Z)
Latitude
0.00001°
Longitude
153.70234°
Altitude
558.848 km
Speed
7.584 km/s
True Right ascension
09h 08m 17s
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
09:33:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.889 km
Perigee altitude
560.126 km
Semi-major axis
6,939.144 km
Eccentricity
0.00013
Inclination
43.0024°
RAAN
137.0741°
Arg. of periapsis
271.0223°
True anomaly
89.06196°
Mean anomaly
89.0474°
Eccentric anomaly
89.05468°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000099876
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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-5743 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 13:09:37.888Z | 198.404° SSW | 2025-12-07 13:12:37.888Z | 152.168° SSE | 22° | 2025-12-07 13:15:37.888Z | 97.253° ESE |
| 6 mins | 2025-12-07 14:50:37.888Z | 248.882° W | 2025-12-07 14:53:37.888Z | 81.329° E | 43.971° | 2025-12-07 14:56:37.888Z | 72.335° E |
| 6 mins | 2025-12-07 16:31:37.888Z | 287.314° WNW | 2025-12-07 16:34:37.888Z | 27.241° NE | 38.091° | 2025-12-07 16:37:37.888Z | 75.334° E |
| 6 mins | 2025-12-07 18:12:37.888Z | 290.289° WNW | 2025-12-07 18:14:37.888Z | 307.501° NW | 43.245° | 2025-12-07 18:18:37.888Z | 104.874° ESE |
| 5 mins | 2025-12-07 19:53:37.888Z | 255.396° W | 2025-12-07 19:55:37.888Z | 209.307° SW | 26.115° | 2025-12-07 19:58:37.888Z | 156.242° 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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