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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-4573
1 53623U 22104AM 25347.15960274 -.00000569 00000-0 -17661-4 0 9990
2 53623 53.2181 262.4457 0001468 85.6763 274.4397 15.08836568182686Epoch: 2025-12-13T03:49Z
TLE epoch observation values (Epoch: 2025-12-13T03:49:49.676Z)
Latitude
-0.00003°
Longitude
122.89783°
Altitude
540.573 km
Speed
7.593 km/s
True Right ascension
17h 29m 46s
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
01:28:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.014 km
Perigee altitude
538.983 km
Semi-major axis
6,918.136 km
Eccentricity
0.00015
Inclination
53.2181°
RAAN
262.4457°
Arg. of periapsis
85.6763°
True anomaly
274.42293°
Mean anomaly
274.4397°
Eccentric anomaly
274.43131°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
-0.000017661
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-14 04:10:50.649Z | 306.802° NW | 2025-12-14 04:14:50.649Z | 178.162° S | 43.274° | 2025-12-14 04:17:50.649Z | 138.058° SSE |
| 4 mins | 2025-12-14 19:44:50.649Z | 150.015° SSE | 2025-12-14 19:45:50.649Z | 130.092° SE | 18.919° | 2025-12-14 19:48:50.649Z | 80.981° E |
| 6 mins | 2025-12-14 21:22:50.649Z | 254.902° W | 2025-12-14 21:24:50.649Z | 314.663° NW | 39.268° | 2025-12-14 21:28:50.649Z | 42.557° NE |
| 5 mins | 2025-12-15 02:23:50.649Z | 338.545° N | 2025-12-15 02:25:50.649Z | 16.185° NNE | 23.356° | 2025-12-15 02:28:50.649Z | 76.774° E |
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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