STARLINK-5575, 55381
Orbit data source: Space-Track
STARLINK-5575, 55381 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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55381 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: 1 day ago
TLE from 1 day ago
0 STARLINK-5575
1 55381U 23013BC 25348.59514630 -.00000601 00000-0 -29412-4 0 9997
2 55381 43.0031 55.2957 0000916 246.3413 113.7334 15.02528048158761Epoch: 2025-12-14T14:17Z
TLE epoch observation values (Epoch: 2025-12-14T14:17:00.640Z)
Latitude
0.00004°
Longitude
117.53727°
Altitude
559.138 km
Speed
7.584 km/s
True Right ascension
03h 41m 10s
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
15:08:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.663 km
Perigee altitude
560.392 km
Semi-major axis
6,939.164 km
Eccentricity
0.00009
Inclination
43.0031°
RAAN
55.2957°
Arg. of periapsis
246.3413°
True anomaly
113.74301°
Mean anomaly
113.7334°
Eccentric anomaly
113.7382°
Mean motion
3.75476 °/min
Orbital period
95.88 mins
BSTAR
-0.000029412
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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-5575 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 | 2025-12-16 06:21:04.090Z | 167.784° S | 2025-12-16 06:23:04.090Z | 135.968° SSE | 14.782° | 2025-12-16 06:25:04.090Z | 106.561° ESE |
| 7 mins | 2025-12-16 08:00:04.090Z | 232.941° WSW | 2025-12-16 08:03:04.090Z | 143.499° SSE | 41.698° | 2025-12-16 08:07:04.090Z | 74.934° E |
| 6 mins | 2025-12-16 09:41:04.090Z | 279.13° WNW | 2025-12-16 09:44:04.090Z | 20.033° NNE | 39.586° | 2025-12-16 09:47:04.090Z | 71.232° E |
| 6 mins | 2025-12-16 11:22:04.090Z | 293.048° NW | 2025-12-16 11:25:04.090Z | 49.894° ENE | 41.32° | 2025-12-16 11:28:04.090Z | 93.353° ESE |
| 6 mins | 2025-12-16 13:03:04.090Z | 268.414° W | 2025-12-16 13:05:04.090Z | 216.779° SW | 34.811° | 2025-12-16 13:09:04.090Z | 137.115° 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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