STARLINK-3943, 52557
Orbit data source: Space-Track
STARLINK-3943, 52557 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 13 May 2022 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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52557 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-3943
1 52557U 22051AA 26171.32332053 .00000421 00000-0 44546-4 0 9996
2 52557 53.1609 28.2649 0001352 95.7586 264.3559 15.08831277226941Epoch: 2026-06-20T07:45Z
TLE epoch observation values (Epoch: 2026-06-20T07:45:34.893Z)
Latitude
-0.00008°
Longitude
3.32986°
Altitude
540.754 km
Speed
7.593 km/s
True Right ascension
01h 53m 03s
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
21:32:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.959 km
Perigee altitude
539.089 km
Semi-major axis
6,918.161 km
Eccentricity
0.00014
Inclination
53.1609°
RAAN
28.2649°
Arg. of periapsis
95.7586°
True anomaly
264.34048°
Mean anomaly
264.3559°
Eccentric anomaly
264.34819°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
0.000044546
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Other satellites on launch #51 in the year 2022 (2022-05-13 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-3943 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 15:33:14.424Z | 174.907° S | 2026-06-22 15:36:14.424Z | 118.2° SE | 20.865° | 2026-06-22 15:38:14.424Z | 83.767° E |
| 6 mins | 2026-06-22 17:12:14.424Z | 255.929° W | 2026-06-22 17:15:14.424Z | 344.476° N | 36.411° | 2026-06-22 17:18:14.424Z | 38.92° NE |
| 5 mins | 2026-06-22 22:14:14.424Z | 343.864° N | 2026-06-22 22:16:14.424Z | 29.727° NE | 25.474° | 2026-06-22 22:19:14.424Z | 85.08° E |
| 6 mins | 2026-06-22 23:53:14.424Z | 292.189° WNW | 2026-06-22 23:55:14.424Z | 247.819° W | 36.112° | 2026-06-22 23:59:14.424Z | 151.665° 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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