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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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-5685
1 55477U 23015AE 26305.50001156 -.00014251 00000-0 -50927-3 0 9994
2 55477 43.0009 63.8396 0001308 270.5311 122.6493 15.27585222 5902Epoch: 2026-11-01T12:00Z
TLE epoch observation values (Epoch: 2026-11-01T12:00:00.998Z)
Latitude
21.99701°
Longitude
-131.43719°
Altitude
483.043 km
Speed
7.627 km/s
True Right ascension
05h 57m 25s
True Declination
21° 52' 23"
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
18:27:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.876 km
Perigee altitude
484.081 km
Semi-major axis
6,863.115 km
Eccentricity
0.00013
Inclination
43.0009°
RAAN
63.8396°
Arg. of periapsis
270.5311°
True anomaly
122.66192°
Mean anomaly
122.6493°
Eccentric anomaly
122.65561°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
-0.00050927
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-11-02 11:38:02.278Z | 224.949° SW | 2026-11-02 11:40:02.278Z | 159.94° S | 56.01° | 2026-11-02 11:43:02.278Z | 79.118° E |
| 5 mins | 2026-11-02 13:17:02.278Z | 280.891° WNW | 2026-11-02 13:19:02.278Z | 347.39° N | 56.481° | 2026-11-02 13:22:02.278Z | 68.596° E |
| 6 mins | 2026-11-02 14:56:02.278Z | 295.289° NW | 2026-11-02 14:58:02.278Z | 346.007° N | 57.219° | 2026-11-02 15:02:02.278Z | 90.786° ESE |
| 5 mins | 2026-11-02 16:35:02.278Z | 273.487° WNW | 2026-11-02 16:37:02.278Z | 220.318° SW | 47.842° | 2026-11-02 16:40:02.278Z | 136.005° 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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