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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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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-4573
1 53623U 22104AM 26037.33757466 .00001632 00000-0 12060-3 0 9991
2 53623 53.2198 14.7427 0001453 81.1150 279.0007 15.08845432191010Epoch: 2026-02-06T08:06Z
TLE epoch observation values (Epoch: 2026-02-06T08:06:06.450Z)
Latitude
-0°
Longitude
116.73893°
Altitude
540.467 km
Speed
7.593 km/s
True Right ascension
00h 58m 58s
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
00:48:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.977 km
Perigee altitude
538.966 km
Semi-major axis
6,918.108 km
Eccentricity
0.00015
Inclination
53.2198°
RAAN
14.7427°
Arg. of periapsis
81.115°
True anomaly
278.98425°
Mean anomaly
279.0007°
Eccentric anomaly
278.99248°
Mean motion
3.77192 °/min
Orbital period
95.44 mins
BSTAR
0.0001206
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-07 00:08:42.672Z | 184.31° SSW | 2026-02-07 00:11:42.672Z | 132.9° SE | 23.398° | 2026-02-07 00:14:42.672Z | 77.412° E |
| 6 mins | 2026-02-07 01:48:42.672Z | 263.493° W | 2026-02-07 01:50:42.672Z | 312.94° NW | 34.622° | 2026-02-07 01:54:42.672Z | 39.118° NE |
| 5 mins | 2026-02-07 06:50:42.672Z | 348.803° N | 2026-02-07 06:52:42.672Z | 40.939° NE | 26.316° | 2026-02-07 06:55:42.672Z | 90.51° ESE |
| 5 mins | 2026-02-07 08:29:42.672Z | 285.114° WNW | 2026-02-07 08:31:42.672Z | 227.558° WSW | 34.803° | 2026-02-07 08:34:42.672Z | 158.749° S |
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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