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: 1 day ago
TLE from 1 day ago
0 STARLINK-4573
1 53623U 22104AM 26083.50695058 -.00003240 00000-0 -18589-3 0 9990
2 53623 53.2175 167.4795 0000915 85.8456 274.2641 15.08785649197987Epoch: 2026-03-24T12:10Z
TLE epoch observation values (Epoch: 2026-03-24T12:10:00.530Z)
Latitude
0.00002°
Longitude
162.99369°
Altitude
540.76 km
Speed
7.593 km/s
True Right ascension
11h 09m 55s
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
18:16:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.787 km
Perigee altitude
539.521 km
Semi-major axis
6,918.291 km
Eccentricity
0.00009
Inclination
53.2175°
RAAN
167.4795°
Arg. of periapsis
85.8456°
True anomaly
274.25364°
Mean anomaly
274.2641°
Eccentric anomaly
274.25887°
Mean motion
3.77177 °/min
Orbital period
95.45 mins
BSTAR
-0.00018589
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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 | 2026-03-25 14:04:02.820Z | 325.991° NNW | 2026-03-25 14:07:02.820Z | 16.999° NNE | 28.797° | 2026-03-25 14:11:02.820Z | 96.477° ESE |
| 5 mins | 2026-03-25 15:45:02.820Z | 275.972° WNW | 2026-03-25 15:47:02.820Z | 218.595° SW | 30.505° | 2026-03-25 15:50:02.820Z | 163.351° S |
| 5 mins | 2026-03-26 07:16:02.820Z | 189.447° SSW | 2026-03-26 07:18:02.820Z | 136.875° SSE | 32.761° | 2026-03-26 07:21:02.820Z | 68.661° E |
| 6 mins | 2026-03-26 08:55:02.820Z | 275.578° WNW | 2026-03-26 08:57:02.820Z | 315.104° NNW | 27.309° | 2026-03-26 09:01:02.820Z | 34.085° 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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