STARLINK-5203, 54104
Orbit data source: Space-Track
STARLINK-5203, 54104 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 20 Oct 2022 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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54104 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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-5203
1 54104U 22136BF 25365.14697331 .00000728 00000-0 63862-4 0 9999
2 54104 53.2170 246.3795 0001384 98.6537 261.4612 15.08822601177138Epoch: 2025-12-31T03:31Z
TLE epoch observation values (Epoch: 2025-12-31T03:31:38.493Z)
Latitude
-0.00005°
Longitude
93.649°
Altitude
540.836 km
Speed
7.593 km/s
True Right ascension
16h 25m 31s
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
11:12:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.999 km
Perigee altitude
539.084 km
Semi-major axis
6,918.179 km
Eccentricity
0.00014
Inclination
53.217°
RAAN
246.3795°
Arg. of periapsis
98.6537°
True anomaly
261.44552°
Mean anomaly
261.4612°
Eccentric anomaly
261.45336°
Mean motion
3.77186 °/min
Orbital period
95.44 mins
BSTAR
0.000063862
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Other satellites on launch #136 in the year 2022 (2022-10-20 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-5203 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-31 17:58:59.785Z | 178.955° S | 2025-12-31 18:01:59.785Z | 125.53° SE | 21.664° | 2025-12-31 18:04:59.785Z | 76.372° E |
| 5 mins | 2025-12-31 19:38:59.785Z | 263.519° W | 2025-12-31 19:40:59.785Z | 327.143° NNW | 36.644° | 2025-12-31 19:43:59.785Z | 36.568° NE |
| 5 mins | 2026-01-01 00:39:59.785Z | 339.253° N | 2026-01-01 00:41:59.785Z | 20.469° NNE | 25.4° | 2026-01-01 00:44:59.785Z | 82.174° E |
| 6 mins | 2026-01-01 02:18:59.785Z | 294.409° NW | 2026-01-01 02:21:59.785Z | 212.238° SW | 36.505° | 2026-01-01 02:24:59.785Z | 153.708° 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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