STARLINK-5555, 55386
Orbit data source: Space-Track
STARLINK-5555, 55386 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 26 Jan 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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55386 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-5555
1 55386U 23013BH 26171.17674079 .00000100 00000-0 13166-4 0 9996
2 55386 43.0037 99.6205 0000936 265.4995 94.5750 15.27573920187170Epoch: 2026-06-20T04:14Z
TLE epoch observation values (Epoch: 2026-06-20T04:14:30.404Z)
Latitude
0.00001°
Longitude
127.59871°
Altitude
482.894 km
Speed
7.626 km/s
True Right ascension
06h 38m 28s
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
21:30:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.654 km
Perigee altitude
484.369 km
Semi-major axis
6,863.149 km
Eccentricity
0.00009
Inclination
43.0037°
RAAN
99.6205°
Arg. of periapsis
265.4995°
True anomaly
94.58569°
Mean anomaly
94.575°
Eccentric anomaly
94.58035°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000013166
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Other satellites on launch #13 in the year 2023 (2023-01-26 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-5555 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 20:45:32.634Z | 182.919° SSW | 2026-06-22 20:47:32.634Z | 150.292° SSE | 15.842° | 2026-06-22 20:49:32.634Z | 112.85° SE |
| 5 mins | 2026-06-22 22:24:32.634Z | 237.555° WSW | 2026-06-22 22:26:32.634Z | 140.327° SSE | 43.546° | 2026-06-22 22:29:32.634Z | 74.792° E |
| 5 mins | 2026-06-23 00:03:32.634Z | 287.787° WNW | 2026-06-23 00:05:32.634Z | 358.327° N | 38.594° | 2026-06-23 00:08:32.634Z | 71.158° E |
| 5 mins | 2026-06-23 01:42:32.634Z | 293.977° NW | 2026-06-23 01:44:32.634Z | 351.965° N | 42.818° | 2026-06-23 01:47:32.634Z | 95.775° ESE |
| 5 mins | 2026-06-23 03:21:32.634Z | 263.498° W | 2026-06-23 03:23:32.634Z | 209.475° SW | 29.984° | 2026-06-23 03:26:32.634Z | 146.02° 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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