STARLINK-5755, 55600
Orbit data source: Space-Track
STARLINK-5755, 55600 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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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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-5755
1 55600U 23020AH 25340.87076298 .00000665 00000-0 64284-4 0 9999
2 55600 43.0024 136.2985 0000794 262.3714 97.7038 15.02527293155102Epoch: 2025-12-06T20:53Z
TLE epoch observation values (Epoch: 2025-12-06T20:53:53.921Z)
Latitude
-0.00003°
Longitude
106.93151°
Altitude
558.958 km
Speed
7.584 km/s
True Right ascension
09h 05m 11s
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
05:40:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.581 km
Perigee altitude
560.479 km
Semi-major axis
6,939.167 km
Eccentricity
0.00008
Inclination
43.0024°
RAAN
136.2985°
Arg. of periapsis
262.3714°
True anomaly
97.71282°
Mean anomaly
97.7038°
Eccentric anomaly
97.70831°
Mean motion
3.75476 °/min
Orbital period
95.88 mins
BSTAR
0.000064284
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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-5755 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-07 13:01:57.869Z | 188.5° SSW | 2025-12-07 13:04:57.869Z | 136.75° SSE | 19.888° | 2025-12-07 13:06:57.869Z | 102.832° ESE |
| 7 mins | 2025-12-07 14:41:57.869Z | 244.894° WSW | 2025-12-07 14:44:57.869Z | 147.836° SSE | 44.618° | 2025-12-07 14:48:57.869Z | 72.87° E |
| 6 mins | 2025-12-07 16:22:57.869Z | 283.729° WNW | 2025-12-07 16:25:57.869Z | 10.396° NNE | 39.325° | 2025-12-07 16:28:57.869Z | 72.875° E |
| 6 mins | 2025-12-07 18:03:57.869Z | 290.823° WNW | 2025-12-07 18:06:57.869Z | 59.797° ENE | 43.729° | 2025-12-07 18:09:57.869Z | 101.191° ESE |
| 5 mins | 2025-12-07 19:44:57.869Z | 262.291° W | 2025-12-07 19:46:57.869Z | 218.395° SW | 28.392° | 2025-12-07 19:49:57.869Z | 155.117° SSE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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