STARLINK-5421, 54799
Orbit data source: Space-Track
STARLINK-5421, 54799 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 17 Dec 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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54799 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-5421
1 54799U 22175AT 26171.44750863 .00000474 00000-0 47859-4 0 9997
2 54799 53.1593 277.6691 0000890 86.2828 273.8265 15.08836405195784Epoch: 2026-06-20T10:44Z
TLE epoch observation values (Epoch: 2026-06-20T10:44:24.745Z)
Latitude
-0.00004°
Longitude
-152.09603°
Altitude
540.605 km
Speed
7.593 km/s
True Right ascension
18h 30m 40s
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
21:34:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.624 km
Perigee altitude
539.393 km
Semi-major axis
6,918.146 km
Eccentricity
0.00009
Inclination
53.1593°
RAAN
277.6691°
Arg. of periapsis
86.2828°
True anomaly
273.81632°
Mean anomaly
273.8265°
Eccentric anomaly
273.82141°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000047859
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Other satellites on launch #175 in the year 2022 (2022-12-17 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-5421 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 | 2026-06-22 10:40:08.604Z | 276.672° WNW | 2026-06-22 10:43:08.604Z | 329.92° NNW | 24.398° | 2026-06-22 10:46:08.604Z | 27.257° NE |
| 6 mins | 2026-06-22 15:42:08.604Z | 325.728° NNW | 2026-06-22 15:44:08.604Z | 12.141° NNE | 37.758° | 2026-06-22 15:48:08.604Z | 112.434° ESE |
| 4 mins | 2026-06-22 17:22:08.604Z | 260.583° W | 2026-06-22 17:23:08.604Z | 241.408° WSW | 19.368° | 2026-06-22 17:26:08.604Z | 187.522° SSW |
| 6 mins | 2026-06-23 08:52:08.604Z | 218.819° SW | 2026-06-23 08:55:08.604Z | 115.483° SE | 43.226° | 2026-06-23 08:58:08.604Z | 55.273° ENE |
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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