STARLINK-3643, 51992
Orbit data source: Space-Track
STARLINK-3643, 51992 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 09 Mar 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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51992 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: 3 days ago
TLE from 3 days ago
0 STARLINK-3643
1 51992U 22025AN 26170.67840131 -.00000211 00000-0 48257-5 0 9999
2 51992 53.1601 281.1619 0001302 90.5478 269.5663 15.08835520236309Epoch: 2026-06-19T16:16Z
TLE epoch observation values (Epoch: 2026-06-19T16:16:53.873Z)
Latitude
0.00002°
Longitude
129.03352°
Altitude
540.655 km
Speed
7.593 km/s
True Right ascension
18h 44m 38s
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
21:37:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.912 km
Perigee altitude
539.11 km
Semi-major axis
6,918.148 km
Eccentricity
0.00013
Inclination
53.1601°
RAAN
281.1619°
Arg. of periapsis
90.5478°
True anomaly
269.55138°
Mean anomaly
269.5663°
Eccentric anomaly
269.55884°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.0000048257
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Other satellites on launch #25 in the year 2022 (2022-03-09 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-3643 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 | 2026-06-22 11:19:42.933Z | 299.173° NW | 2026-06-22 11:22:42.933Z | 349.867° N | 17.215° | 2026-06-22 11:24:42.933Z | 21.612° NNE |
| 5 mins | 2026-06-22 14:41:42.933Z | 347.746° N | 2026-06-22 14:43:42.933Z | 29.031° NE | 21.209° | 2026-06-22 14:46:42.933Z | 77.435° E |
| 6 mins | 2026-06-22 16:20:42.933Z | 303.917° NW | 2026-06-22 16:22:42.933Z | 276.132° WNW | 41.962° | 2026-06-22 16:26:42.933Z | 138.363° SSE |
| 4 mins | 2026-06-23 07:52:42.933Z | 162.86° S | 2026-06-23 07:54:42.933Z | 125.448° SE | 19.048° | 2026-06-23 07:56:42.933Z | 89.847° E |
| 6 mins | 2026-06-23 09:30:42.933Z | 249.568° W | 2026-06-23 09:33:42.933Z | 329.516° NNW | 39.281° | 2026-06-23 09:36:42.933Z | 39.409° 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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