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: 2 days ago
TLE from 2 days ago
0 STARLINK-4539
1 53423U 22097AM 26171.41668980 .00124339 00000-0 48455-2 0 9996
2 53423 53.1616 12.2921 0001219 142.2469 151.2627 15.25026940 5833Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-47.39318°
Longitude
-100.44437°
Altitude
507.646 km
Speed
7.61 km/s
True Right ascension
21h 12m 46s
True Declination
-47° 12' 56"
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
21:49:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
491.797 km
Perigee altitude
490.123 km
Semi-major axis
6,869.097 km
Eccentricity
0.00012
Inclination
53.1616°
RAAN
12.2921°
Arg. of periapsis
142.2469°
True anomaly
151.26942°
Mean anomaly
151.2627°
Eccentric anomaly
151.26606°
Mean motion
3.81236 °/min
Orbital period
94.43 mins
BSTAR
0.0048455
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 14:20:07.587Z | 166.224° S | 2026-06-22 14:22:07.587Z | 133.446° SE | 15.646° | 2026-06-22 14:24:07.587Z | 96.754° ESE |
| 5 mins | 2026-06-22 15:58:07.587Z | 249.322° W | 2026-06-22 16:00:07.587Z | 308.569° NW | 40.426° | 2026-06-22 16:03:07.587Z | 40.622° NE |
| 4 mins | 2026-06-22 20:56:07.587Z | 345.124° N | 2026-06-22 20:58:07.587Z | 26.525° NE | 20.195° | 2026-06-22 21:00:07.587Z | 66.452° ENE |
| 6 mins | 2026-06-22 22:34:07.587Z | 302.418° NW | 2026-06-22 22:36:07.587Z | 268.694° W | 41.083° | 2026-06-22 22:40:07.587Z | 139.898° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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