STARLINK-5756, 55598
Orbit data source: Space-Track
STARLINK-5756, 55598 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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55598 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-5756
1 55598U 23020AF 25340.75333225 .00001352 00000-0 11514-3 0 9999
2 55598 43.0008 137.1159 0001467 272.3853 87.6822 15.02533962155082Epoch: 2025-12-06T18:04Z
TLE epoch observation values (Epoch: 2025-12-06T18:04:47.906Z)
Latitude
0.00003°
Longitude
150.13978°
Altitude
558.823 km
Speed
7.584 km/s
True Right ascension
09h 08m 27s
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
09:33:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
562.028 km
Perigee altitude
559.992 km
Semi-major axis
6,939.147 km
Eccentricity
0.00015
Inclination
43.0008°
RAAN
137.1159°
Arg. of periapsis
272.3853°
True anomaly
87.699°
Mean anomaly
87.6822°
Eccentric anomaly
87.6906°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.00011514
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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-5756 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 13:24:39.963Z | 205.309° SW | 2025-12-07 13:27:39.963Z | 155.158° SSE | 26.109° | 2025-12-07 13:30:39.963Z | 93.879° ESE |
| 6 mins | 2025-12-07 15:05:39.963Z | 256.351° W | 2025-12-07 15:08:39.963Z | 41.098° NE | 44.124° | 2025-12-07 15:11:39.963Z | 70.811° E |
| 6 mins | 2025-12-07 16:46:39.963Z | 289.196° WNW | 2025-12-07 16:49:39.963Z | 23.891° NE | 38.652° | 2025-12-07 16:52:39.963Z | 77.567° E |
| 6 mins | 2025-12-07 18:27:39.963Z | 287.297° WNW | 2025-12-07 18:30:39.963Z | 118.085° SE | 42.963° | 2025-12-07 18:33:39.963Z | 111.177° ESE |
| 5 mins | 2025-12-07 20:08:39.963Z | 251.905° W | 2025-12-07 20:10:39.963Z | 211.552° SW | 21.985° | 2025-12-07 20:13:39.963Z | 163.218° 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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