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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-5203
1 54104U 22136BF 25303.87487282 .00003103 00000-0 21290-3 0 9991
2 54104 53.2155 161.4436 0001301 94.2007 265.9134 15.08854727167886Epoch: 2025-10-30T20:59Z
TLE epoch observation values (Epoch: 2025-10-30T20:59:49.011Z)
Latitude
-0.00002°
Longitude
167.06198°
Altitude
540.66 km
Speed
7.593 km/s
True Right ascension
10h 45m 46s
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
08:46:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.844 km
Perigee altitude
539.044 km
Semi-major axis
6,918.081 km
Eccentricity
0.00013
Inclination
53.2155°
RAAN
161.4436°
Arg. of periapsis
94.2007°
True anomaly
265.89853°
Mean anomaly
265.9134°
Eccentric anomaly
265.90596°
Mean motion
3.77194 °/min
Orbital period
95.44 mins
BSTAR
0.0002129
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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 | 2025-10-31 16:13:00.705Z | 178.836° S | 2025-10-31 16:16:00.705Z | 129.479° SE | 20.517° | 2025-10-31 16:19:00.705Z | 79.075° E |
| 6 mins | 2025-10-31 17:53:00.705Z | 259.017° W | 2025-10-31 17:55:00.705Z | 317.822° NNW | 37.721° | 2025-10-31 17:59:00.705Z | 41.558° NE |
| 5 mins | 2025-10-31 22:54:00.705Z | 338.037° N | 2025-10-31 22:56:00.705Z | 16.599° NNE | 24.403° | 2025-10-31 22:59:00.705Z | 79.081° E |
| 6 mins | 2025-11-01 00:33:00.705Z | 297.014° NW | 2025-11-01 00:36:00.705Z | 219.77° SW | 38.233° | 2025-11-01 00:39:00.705Z | 152.097° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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