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: 2 days ago
TLE from 2 days ago
0 STARLINK-5685
1 55477U 23015AE 26170.99408550 .00000664 00000-0 33657-4 0 9999
2 55477 43.0047 103.4572 0001230 275.3940 84.6772 15.27578278186456Epoch: 2026-06-19T23:51Z
TLE epoch observation values (Epoch: 2026-06-19T23:51:28.987Z)
Latitude
0.00004°
Longitude
-162.62862°
Altitude
482.752 km
Speed
7.626 km/s
True Right ascension
06h 53m 49s
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
21:36:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.843 km
Perigee altitude
484.154 km
Semi-major axis
6,863.136 km
Eccentricity
0.00012
Inclination
43.0047°
RAAN
103.4572°
Arg. of periapsis
275.394°
True anomaly
84.69123°
Mean anomaly
84.6772°
Eccentric anomaly
84.68422°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.000033657
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 21:05:40.423Z | 182.578° SSW | 2026-06-22 21:07:40.423Z | 144.816° SSE | 18.229° | 2026-06-22 21:09:40.423Z | 106.546° ESE |
| 6 mins | 2026-06-22 22:43:40.423Z | 245.25° WSW | 2026-06-22 22:46:40.423Z | 94.299° ESE | 42.967° | 2026-06-22 22:49:40.423Z | 73.106° E |
| 5 mins | 2026-06-23 00:23:40.423Z | 293.139° NW | 2026-06-23 00:25:40.423Z | 15.917° NNE | 37.617° | 2026-06-23 00:28:40.423Z | 73.457° E |
| 5 mins | 2026-06-23 02:02:40.423Z | 293.818° NW | 2026-06-23 02:04:40.423Z | 33.152° NE | 43.848° | 2026-06-23 02:07:40.423Z | 100.09° ESE |
| 4 mins | 2026-06-23 03:41:40.423Z | 255.914° W | 2026-06-23 03:43:40.423Z | 200.395° SSW | 26.787° | 2026-06-23 03:45:40.423Z | 157.427° 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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