STARLINK-4645, 53743
Orbit data source: Space-Track
STARLINK-4645, 53743 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 05 Sep 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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53743 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
305 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: 2 days ago
TLE from 2 days ago
0 STARLINK-4645
1 53743U 22107AV 26171.41668980 .00081078 00000-0 45268-2 0 9994
2 53743 53.1595 162.9102 0001783 126.9553 131.8726 15.12832286 5824Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-51.89692°
Longitude
-3.8974°
Altitude
546.395 km
Speed
7.588 km/s
True Right ascension
03h 38m 58s
True Declination
-51° 43' 29"
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
23:07:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
529.053 km
Perigee altitude
526.591 km
Semi-major axis
6,905.959 km
Eccentricity
0.00018
Inclination
53.1595°
RAAN
162.9102°
Arg. of periapsis
126.9553°
True anomaly
131.88781°
Mean anomaly
131.8726°
Eccentric anomaly
131.88021°
Mean motion
3.78188 °/min
Orbital period
95.19 mins
BSTAR
0.0045268
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Other satellites on launch #107 in the year 2022 (2022-09-05 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-4645 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-23 00:25:20.505Z | 178.356° S | 2026-06-23 00:28:20.505Z | 124.727° SE | 20.951° | 2026-06-23 00:30:20.505Z | 87.027° E |
| 6 mins | 2026-06-23 02:04:20.505Z | 256.146° W | 2026-06-23 02:07:20.505Z | 345.094° N | 35.977° | 2026-06-23 02:10:20.505Z | 38.978° NE |
| 5 mins | 2026-06-23 07:05:20.505Z | 342.954° N | 2026-06-23 07:07:20.505Z | 27.885° NE | 24.862° | 2026-06-23 07:10:20.505Z | 84.285° E |
| 6 mins | 2026-06-23 08:44:20.505Z | 290.659° WNW | 2026-06-23 08:46:20.505Z | 235.948° WSW | 37.047° | 2026-06-23 08:50:20.505Z | 150.045° 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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