STARLINK-3958, 52535
Orbit data source: Space-Track
STARLINK-3958, 52535 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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52535 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-3958
1 52535U 22051C 26171.31595897 -.00002359 00000-0 -13018-3 0 9991
2 52535 53.1609 28.2982 0001163 93.9874 266.1250 15.08830251226935Epoch: 2026-06-20T07:34Z
TLE epoch observation values (Epoch: 2026-06-20T07:34:58.855Z)
Latitude
-0.00003°
Longitude
6.02061°
Altitude
540.719 km
Speed
7.593 km/s
True Right ascension
01h 53m 11s
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
21:33:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.832 km
Perigee altitude
539.223 km
Semi-major axis
6,918.164 km
Eccentricity
0.00012
Inclination
53.1609°
RAAN
28.2982°
Arg. of periapsis
93.9874°
True anomaly
266.1117°
Mean anomaly
266.125°
Eccentric anomaly
266.11835°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
-0.00013018
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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-3958 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 15:22:20.797Z | 168.145° S | 2026-06-22 15:24:20.797Z | 136.99° SSE | 17.161° | 2026-06-22 15:27:20.797Z | 86.363° E |
| 6 mins | 2026-06-22 17:01:20.797Z | 248.377° W | 2026-06-22 17:03:20.797Z | 288.326° WNW | 39.271° | 2026-06-22 17:07:20.797Z | 42.737° NE |
| 4 mins | 2026-06-22 18:42:20.797Z | 316.039° NNW | 2026-06-22 18:44:20.797Z | 351.894° N | 16.195° | 2026-06-22 18:46:20.797Z | 22.523° NE |
| 5 mins | 2026-06-22 22:03:20.797Z | 348.274° N | 2026-06-22 22:05:20.797Z | 32.475° NE | 22.779° | 2026-06-22 22:08:20.797Z | 81.57° E |
| 6 mins | 2026-06-22 23:42:20.797Z | 298.196° NW | 2026-06-22 23:44:20.797Z | 251.645° W | 40.72° | 2026-06-22 23:48:20.797Z | 143.755° 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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