STARLINK-4573, 53623
Orbit data source: Space-Track
STARLINK-4573, 53623 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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53623 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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-4573
1 53623U 22104AM 26134.71048369 .00000008 00000-0 18621-4 0 9992
2 53623 53.2179 297.6178 0001353 88.5488 271.5660 15.08838226205716Epoch: 2026-05-14T17:03Z
TLE epoch observation values (Epoch: 2026-05-14T17:03:05.790Z)
Latitude
0.00003°
Longitude
169.39145°
Altitude
540.621 km
Speed
7.593 km/s
True Right ascension
19h 50m 28s
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
00:31:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.93 km
Perigee altitude
539.058 km
Semi-major axis
6,918.131 km
Eccentricity
0.00014
Inclination
53.2179°
RAAN
297.6178°
Arg. of periapsis
88.5488°
True anomaly
271.5505°
Mean anomaly
271.566°
Eccentric anomaly
271.55825°
Mean motion
3.7719 °/min
Orbital period
95.44 mins
BSTAR
0.000018621
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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-4573 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-15 18:57:00.198Z | 340.805° N | 2026-05-15 18:59:00.198Z | 19.186° NNE | 22.483° | 2026-05-15 19:02:00.198Z | 75.962° E |
| 6 mins | 2026-05-15 20:36:00.198Z | 301.539° NW | 2026-05-15 20:39:00.198Z | 211.338° SW | 41.845° | 2026-05-15 20:42:00.198Z | 144.522° SSE |
| 4 mins | 2026-05-16 12:09:00.198Z | 156.235° SSE | 2026-05-16 12:10:00.198Z | 134.613° SE | 21.625° | 2026-05-16 12:13:00.198Z | 79.982° E |
| 6 mins | 2026-05-16 13:47:00.198Z | 259.419° W | 2026-05-16 13:49:00.198Z | 307.403° NW | 35.959° | 2026-05-16 13:53:00.198Z | 39.829° NE |
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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