STARLINK-5685, 55477
Orbit data source: Space-Track
STARLINK-5685, 55477 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 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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55477 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-5685
1 55477U 23015AE 25310.14553435 -.00000202 00000-0 13309-6 0 9997
2 55477 43.0037 264.8087 0001012 266.9661 93.1066 15.02537699152316Epoch: 2025-11-06T03:29Z
TLE epoch observation values (Epoch: 2025-11-06T03:29:34.167Z)
Latitude
-0°
Longitude
166.80828°
Altitude
558.891 km
Speed
7.584 km/s
True Right ascension
17h 39m 14s
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
16:34:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.7 km
Perigee altitude
560.295 km
Semi-major axis
6,939.135 km
Eccentricity
0.0001
Inclination
43.0037°
RAAN
264.8087°
Arg. of periapsis
266.9661°
True anomaly
93.11818°
Mean anomaly
93.1066°
Eccentric anomaly
93.11239°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
1.3309e-7
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Other satellites on launch #15 in the year 2023 (2023-02-02 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-5685 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-11-07 00:26:33.198Z | 221.798° SW | 2025-11-07 00:29:33.198Z | 166.633° S | 35.275° | 2025-11-07 00:33:33.198Z | 80.043° E |
| 7 mins | 2025-11-07 02:07:33.198Z | 269.23° W | 2025-11-07 02:10:33.198Z | 354.796° N | 42.369° | 2025-11-07 02:14:33.198Z | 71.69° E |
| 7 mins | 2025-11-07 03:48:33.198Z | 291.126° WNW | 2025-11-07 03:51:33.198Z | 14.648° NNE | 40.651° | 2025-11-07 03:55:33.198Z | 87.728° E |
| 6 mins | 2025-11-07 05:29:33.198Z | 279.706° WNW | 2025-11-07 05:32:33.198Z | 177.199° S | 40.402° | 2025-11-07 05:35:33.198Z | 126.692° SE |
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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