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: 1 day ago
TLE from 1 day ago
0 STARLINK-4573
1 53623U 22104AM 25301.18898911 .00001229 00000-0 95258-4 0 9991
2 53623 53.2171 108.8144 0001385 87.4640 272.6510 15.08842715175740Epoch: 2025-10-28T04:32Z
TLE epoch observation values (Epoch: 2025-10-28T04:32:08.659Z)
Latitude
-0.00006°
Longitude
3.99822°
Altitude
540.588 km
Speed
7.593 km/s
True Right ascension
07h 15m 15s
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
00:27:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.938 km
Perigee altitude
539.022 km
Semi-major axis
6,918.117 km
Eccentricity
0.00014
Inclination
53.2171°
RAAN
108.8144°
Arg. of periapsis
87.464°
True anomaly
272.63515°
Mean anomaly
272.651°
Eccentric anomaly
272.64307°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
0.000095258
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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 | 2025-10-29 12:29:18.238Z | 156.252° SSE | 2025-10-29 12:31:18.238Z | 121.885° SE | 16.02° | 2025-10-29 12:33:18.238Z | 90.285° ESE |
| 6 mins | 2025-10-29 14:07:18.238Z | 243.696° WSW | 2025-10-29 14:10:18.238Z | 351.303° N | 41.445° | 2025-10-29 14:13:18.238Z | 43.355° NE |
| 4 mins | 2025-10-29 15:48:18.238Z | 312.248° NW | 2025-10-29 15:50:18.238Z | 348.173° N | 16.78° | 2025-10-29 15:52:18.238Z | 20.243° NNE |
| 5 mins | 2025-10-29 19:09:18.238Z | 346.14° N | 2025-10-29 19:11:18.238Z | 27.289° NE | 21.803° | 2025-10-29 19:14:18.238Z | 77.82° E |
| 6 mins | 2025-10-29 20:48:18.238Z | 302.409° NW | 2025-10-29 20:51:18.238Z | 178.233° S | 41.492° | 2025-10-29 20:54:18.238Z | 140.789° SSE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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