STARLINK-4539, 53423
Orbit data source: Space-Track
STARLINK-4539, 53423 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 10 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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53423 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
297 kg wet, ~275 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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-4539
1 53423U 22097AM 26092.19269581 .00000325 00000-0 38487-4 0 9991
2 53423 53.2185 8.6176 0001273 89.9620 270.1518 15.08832380202172Epoch: 2026-04-02T04:37Z
TLE epoch observation values (Epoch: 2026-04-02T04:37:28.917Z)
Latitude
-0.00005°
Longitude
108.70238°
Altitude
540.662 km
Speed
7.593 km/s
True Right ascension
00h 34m 28s
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
04:34:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.892 km
Perigee altitude
539.131 km
Semi-major axis
6,918.148 km
Eccentricity
0.00013
Inclination
53.2185°
RAAN
8.6176°
Arg. of periapsis
89.962°
True anomaly
270.13721°
Mean anomaly
270.1518°
Eccentric anomaly
270.14451°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000038487
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Other satellites on launch #97 in the year 2022 (2022-08-10 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-4539 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-04-03 03:22:24.362Z | 324.605° NNW | 2026-04-03 03:25:24.362Z | 49.044° ENE | 37.042° | 2026-04-03 03:28:24.362Z | 108.572° ESE |
| 5 mins | 2026-04-03 05:02:24.362Z | 267.748° W | 2026-04-03 05:04:24.362Z | 227.598° WSW | 20.871° | 2026-04-03 05:07:24.362Z | 179.427° S |
| 6 mins | 2026-04-03 20:33:24.362Z | 213.605° SW | 2026-04-03 20:35:24.362Z | 159.677° S | 42.3° | 2026-04-03 20:39:24.362Z | 55.054° ENE |
| 5 mins | 2026-04-03 22:13:24.362Z | 296.516° NW | 2026-04-03 22:15:24.362Z | 338.434° N | 22.112° | 2026-04-03 22:18:24.362Z | 28.792° 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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