STARLINK-3965, 52550
Orbit data source: Space-Track
STARLINK-3965, 52550 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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52550 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-3965
1 52550U 22051T 26171.33803306 .00000426 00000-0 44839-4 0 9994
2 52550 53.1611 28.1992 0001340 93.0917 267.0228 15.08837695226946Epoch: 2026-06-20T08:06Z
TLE epoch observation values (Epoch: 2026-06-20T08:06:46.056Z)
Latitude
0°
Longitude
-2.04679°
Altitude
540.69 km
Speed
7.593 km/s
True Right ascension
01h 52m 47s
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
21:31:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.931 km
Perigee altitude
539.077 km
Semi-major axis
6,918.141 km
Eccentricity
0.00013
Inclination
53.1611°
RAAN
28.1992°
Arg. of periapsis
93.0917°
True anomaly
267.00747°
Mean anomaly
267.0228°
Eccentric anomaly
267.01513°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000044839
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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-3965 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 | 2026-06-22 15:54:51.505Z | 192.695° SSW | 2026-06-22 15:57:51.505Z | 126.046° SE | 30.132° | 2026-06-22 16:00:51.505Z | 69.084° E |
| 5 mins | 2026-06-22 17:34:51.505Z | 276.127° WNW | 2026-06-22 17:36:51.505Z | 323.717° NNW | 29.642° | 2026-06-22 17:39:51.505Z | 29.852° NE |
| 6 mins | 2026-06-22 22:35:51.505Z | 331.948° NNW | 2026-06-22 22:37:51.505Z | 13.613° NNE | 30.947° | 2026-06-22 22:41:51.505Z | 100.271° ESE |
| 5 mins | 2026-06-23 00:15:51.505Z | 272.029° WNW | 2026-06-23 00:17:51.505Z | 221.085° SW | 27.089° | 2026-06-23 00:20:51.505Z | 168.536° S |
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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