STARLINK-3953, 52559
Orbit data source: Space-Track
STARLINK-3953, 52559 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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52559 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-3953
1 52559U 22051AC 26170.87162156 -.00002433 00000-0 -13486-3 0 9997
2 52559 53.1596 20.4796 0001290 87.5272 272.5868 15.08835517227000Epoch: 2026-06-19T20:55Z
TLE epoch observation values (Epoch: 2026-06-19T20:55:08.102Z)
Latitude
0.00004°
Longitude
158.60149°
Altitude
540.608 km
Speed
7.593 km/s
True Right ascension
01h 21m 55s
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
21:32:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.904 km
Perigee altitude
539.119 km
Semi-major axis
6,918.148 km
Eccentricity
0.00013
Inclination
53.1596°
RAAN
20.4796°
Arg. of periapsis
87.5272°
True anomaly
272.57203°
Mean anomaly
272.5868°
Eccentric anomaly
272.57942°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
-0.00013486
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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-3953 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 15:51:31.511Z | 222.998° SW | 2026-06-22 15:55:31.511Z | 81.493° E | 42.626° | 2026-06-22 15:58:31.511Z | 53.295° ENE |
| 4 mins | 2026-06-22 17:33:31.511Z | 309.035° NW | 2026-06-22 17:34:31.511Z | 329.914° NNW | 20.815° | 2026-06-22 17:37:31.511Z | 24.428° NE |
| 4 mins | 2026-06-22 20:54:31.511Z | 351.29° N | 2026-06-22 20:56:31.511Z | 28.828° NE | 17.441° | 2026-06-22 20:58:31.511Z | 60.686° ENE |
| 6 mins | 2026-06-22 22:33:31.511Z | 317.004° NNW | 2026-06-22 22:35:31.511Z | 349.125° N | 41.977° | 2026-06-22 22:39:31.511Z | 123.019° SE |
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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