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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Edit Public Description
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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-4608
1 53621U 22104AK 25302.18995589 .00000094 00000-0 23983-4 0 9994
2 53621 53.2165 104.4004 0001419 87.7563 272.3591 15.08842662175784Epoch: 2025-10-29T04:33Z
TLE epoch observation values (Epoch: 2025-10-29T04:33:32.188Z)
Latitude
-0.00009°
Longitude
-1.75044°
Altitude
540.592 km
Speed
7.593 km/s
True Right ascension
06h 57m 36s
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
17:42:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.962 km
Perigee altitude
538.999 km
Semi-major axis
6,918.117 km
Eccentricity
0.00014
Inclination
53.2165°
RAAN
104.4004°
Arg. of periapsis
87.7563°
True anomaly
272.34285°
Mean anomaly
272.3591°
Eccentric anomaly
272.35098°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
0.000023983
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-30 12:29:57.171Z | 186.81° SSW | 2025-10-30 12:32:57.171Z | 136.631° SSE | 24.224° | 2025-10-30 12:35:57.171Z | 77.802° E |
| 6 mins | 2025-10-30 14:09:57.171Z | 263.701° W | 2025-10-30 14:11:57.171Z | 307.923° NW | 33.347° | 2025-10-30 14:15:57.171Z | 37.872° NE |
| 5 mins | 2025-10-30 19:11:57.171Z | 345.679° N | 2025-10-30 19:13:57.171Z | 37.156° NE | 27.241° | 2025-10-30 19:16:57.171Z | 90.569° ESE |
| 5 mins | 2025-10-30 20:50:57.171Z | 285.26° WNW | 2025-10-30 20:52:57.171Z | 233.442° WSW | 33.594° | 2025-10-30 20:55:57.171Z | 161.504° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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