STARLINK-4608, 53621
Orbit data source: Space-Track
STARLINK-4608, 53621 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 28 Aug 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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53621 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
300 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-4608
1 53621U 22104AK 26134.71784730 -.00002396 00000-0 -13246-3 0 9990
2 53621 53.2174 297.6639 0000767 116.8547 243.2524 15.08856405205602Epoch: 2026-05-14T17:13Z
TLE epoch observation values (Epoch: 2026-05-14T17:13:42.006Z)
Latitude
-0.00001°
Longitude
166.77937°
Altitude
540.83 km
Speed
7.593 km/s
True Right ascension
19h 50m 39s
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
04:09:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.469 km
Perigee altitude
539.408 km
Semi-major axis
6,918.075 km
Eccentricity
0.00008
Inclination
53.2174°
RAAN
297.6639°
Arg. of periapsis
116.8547°
True anomaly
243.24455°
Mean anomaly
243.2524°
Eccentric anomaly
243.24848°
Mean motion
3.77194 °/min
Orbital period
95.44 mins
BSTAR
-0.00013246
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Other satellites on launch #104 in the year 2022 (2022-08-28 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-4608 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-15 20:46:12.904Z | 299.918° NW | 2026-05-15 20:50:12.904Z | 205.255° SW | 37.033° | 2026-05-15 20:53:12.904Z | 151.676° SSE |
| 5 mins | 2026-05-16 12:19:12.904Z | 175.231° S | 2026-05-16 12:21:12.904Z | 129.379° SE | 25.929° | 2026-05-16 12:24:12.904Z | 73.75° E |
| 6 mins | 2026-05-16 13:58:12.904Z | 269.171° W | 2026-05-16 14:00:12.904Z | 319.851° NNW | 32.764° | 2026-05-16 14:04:12.904Z | 38.422° NE |
| 6 mins | 2026-05-16 18:59:12.904Z | 334.478° NNW | 2026-05-16 19:02:12.904Z | 45.845° ENE | 27.773° | 2026-05-16 19:05:12.904Z | 94.357° ESE |
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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