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, 4.4 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-4573
1 53623U 22104AM 25255.88078059 .00005149 00000-0 34129-3 0 9993
2 53623 53.2149 312.2155 0001166 91.4920 268.6206 15.08848601168908Epoch: 2025-09-12T21:08Z
TLE epoch observation values (Epoch: 2025-09-12T21:08:19.442Z)
Latitude
-0.00002°
Longitude
3.01233°
Altitude
540.634 km
Speed
7.593 km/s
True Right ascension
20h 48m 51s
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
18:24:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.769 km
Perigee altitude
539.156 km
Semi-major axis
6,918.099 km
Eccentricity
0.00012
Inclination
53.2149°
RAAN
312.2155°
Arg. of periapsis
91.492°
True anomaly
268.60724°
Mean anomaly
268.6206°
Eccentric anomaly
268.61392°
Mean motion
3.77192 °/min
Orbital period
95.44 mins
BSTAR
0.00034129
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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 | 2025-09-14 05:04:51.178Z | 167.805° S | 2025-09-14 05:06:51.178Z | 136.703° SSE | 17.044° | 2025-09-14 05:09:51.178Z | 86.314° E |
| 6 mins | 2025-09-14 06:43:51.178Z | 248.19° W | 2025-09-14 06:45:51.178Z | 288.87° WNW | 39.442° | 2025-09-14 06:49:51.178Z | 42.761° NE |
| 4 mins | 2025-09-14 08:24:51.178Z | 316.328° NNW | 2025-09-14 08:25:51.178Z | 333.476° NNW | 16.177° | 2025-09-14 08:28:51.178Z | 22.641° NE |
| 5 mins | 2025-09-14 11:45:51.178Z | 348.955° N | 2025-09-14 11:47:51.178Z | 32.971° NE | 22.48° | 2025-09-14 11:50:51.178Z | 81.381° E |
| 6 mins | 2025-09-14 13:24:51.178Z | 298.761° NW | 2025-09-14 13:26:51.178Z | 251.058° W | 41.155° | 2025-09-14 13:30:51.178Z | 143.113° SSE |
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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