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: 22 hours ago
TLE from 22 hours ago
0 STARLINK-4573
1 53623U 22104AM 26252.88276617 .00000419 00000-0 25291-4 0 9997
2 53623 53.1612 113.2091 0001647 109.9108 250.2071 15.31694827223743Epoch: 2026-09-09T21:11Z
TLE epoch observation values (Epoch: 2026-09-09T21:11:10.997Z)
Latitude
0°
Longitude
166.48483°
Altitude
472.038 km
Speed
7.631 km/s
True Right ascension
07h 32m 50s
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
11:40:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
472.14 km
Perigee altitude
469.884 km
Semi-major axis
6,849.149 km
Eccentricity
0.00016
Inclination
53.1612°
RAAN
113.2091°
Arg. of periapsis
109.9108°
True anomaly
250.18934°
Mean anomaly
250.2071°
Eccentric anomaly
250.19822°
Mean motion
3.82903 °/min
Orbital period
94.02 mins
BSTAR
0.000025291
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-09-10 19:23:22.626Z | 304.353° NW | 2026-09-10 19:25:22.626Z | 339.158° N | 15.939° | 2026-09-10 19:27:22.626Z | 14.886° NNE |
| 4 mins | 2026-09-10 22:41:22.626Z | 341.908° N | 2026-09-10 22:43:22.626Z | 18.989° NNE | 19.024° | 2026-09-10 22:45:22.626Z | 59.138° ENE |
| 6 mins | 2026-09-11 00:19:22.626Z | 307.799° NW | 2026-09-11 00:21:22.626Z | 292.445° WNW | 69.385° | 2026-09-11 00:25:22.626Z | 133.84° SE |
| 5 mins | 2026-09-11 17:14:22.626Z | 236.083° WSW | 2026-09-11 17:16:22.626Z | 12.502° NNE | 74.197° | 2026-09-11 17:19:22.626Z | 47.642° 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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