STARLINK-5556, 55385
Orbit data source: Space-Track
STARLINK-5556, 55385 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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55385 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-5556
1 55385U 23013BG 26171.16774569 -.00000527 00000-0 -96507-5 0 9995
2 55385 43.0028 99.5515 0000986 265.5806 94.4933 15.27576241187170Epoch: 2026-06-20T04:01Z
TLE epoch observation values (Epoch: 2026-06-20T04:01:33.227Z)
Latitude
-0.00003°
Longitude
130.77678°
Altitude
482.889 km
Speed
7.626 km/s
True Right ascension
06h 38m 12s
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
21:37:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.682 km
Perigee altitude
484.328 km
Semi-major axis
6,863.142 km
Eccentricity
0.0001
Inclination
43.0028°
RAAN
99.5515°
Arg. of periapsis
265.5806°
True anomaly
94.50456°
Mean anomaly
94.4933°
Eccentric anomaly
94.49893°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
-0.0000096507
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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-5556 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 | 2026-06-22 22:10:41.762Z | 230.103° WSW | 2026-06-22 22:12:41.762Z | 171.433° S | 40.926° | 2026-06-22 22:15:41.762Z | 78.277° E |
| 5 mins | 2026-06-22 23:49:41.762Z | 281.692° WNW | 2026-06-22 23:51:41.762Z | 339.491° N | 39.175° | 2026-06-22 23:54:41.762Z | 68.822° E |
| 6 mins | 2026-06-23 01:28:41.762Z | 293.81° NW | 2026-06-23 01:30:41.762Z | 335.514° NNW | 40.241° | 2026-06-23 01:34:41.762Z | 93.135° ESE |
| 5 mins | 2026-06-23 03:07:41.762Z | 271.349° WNW | 2026-06-23 03:09:41.762Z | 222.469° SW | 33.745° | 2026-06-23 03:12:41.762Z | 141.018° 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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