STARLINK-3966, 52552
Orbit data source: Space-Track
STARLINK-3966, 52552 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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52552 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-3966
1 52552U 22051V 26171.34173417 .00000028 00000-0 19888-4 0 9994
2 52552 53.1615 28.3354 0001345 99.5943 260.5200 15.08835286226943Epoch: 2026-06-20T08:12Z
TLE epoch observation values (Epoch: 2026-06-20T08:12:05.832Z)
Latitude
-0.00005°
Longitude
-3.24668°
Altitude
540.803 km
Speed
7.593 km/s
True Right ascension
01h 53m 20s
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
21:31:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.942 km
Perigee altitude
539.081 km
Semi-major axis
6,918.149 km
Eccentricity
0.00013
Inclination
53.1615°
RAAN
28.3354°
Arg. of periapsis
99.5943°
True anomaly
260.5048°
Mean anomaly
260.52°
Eccentric anomaly
260.5124°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000019888
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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-3966 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 15:59:47.854Z | 200.316° SSW | 2026-06-22 16:02:47.854Z | 148.661° SSE | 31.812° | 2026-06-22 16:06:47.854Z | 64.586° ENE |
| 5 mins | 2026-06-22 17:40:47.854Z | 284.759° WNW | 2026-06-22 17:42:47.854Z | 337.228° NNW | 28.122° | 2026-06-22 17:45:47.854Z | 32.159° NE |
| 5 mins | 2026-06-22 22:41:47.854Z | 334.761° NNW | 2026-06-22 22:43:47.854Z | 28.484° NE | 33.474° | 2026-06-22 22:46:47.854Z | 98.986° ESE |
| 5 mins | 2026-06-23 00:20:47.854Z | 278.011° WNW | 2026-06-23 00:22:47.854Z | 238.251° WSW | 24.979° | 2026-06-23 00:25:47.854Z | 176.853° 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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