STARLINK-35960, 66531
Orbit data source: Space-Track
STARLINK-35960, 66531 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 19 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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66531 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 STARLINK-35960
1 66531U 25265R 26171.38800546 .00007838 00000-0 29394-3 0 9998
2 66531 43.0005 57.6214 0000621 23.7150 336.3730 15.27590830 32827Epoch: 2026-06-20T09:18Z
TLE epoch observation values (Epoch: 2026-06-20T09:18:43.671Z)
Latitude
-0.00004°
Longitude
9.33604°
Altitude
482.402 km
Speed
7.626 km/s
True Right ascension
03h 50m 29s
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
08:33:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.388 km
Perigee altitude
484.536 km
Semi-major axis
6,863.099 km
Eccentricity
0.00006
Inclination
43.0005°
RAAN
57.6214°
Arg. of periapsis
23.715°
True anomaly
336.37015°
Mean anomaly
336.373°
Eccentric anomaly
336.37157°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.00029394
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Other satellites on launch #265 in the year 2025 (2025-11-19 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-35960 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 | 2026-06-20 22:10:50.762Z | 278.221° WNW | 2026-06-20 22:13:50.762Z | 339.587° N | 38.398° | 2026-06-20 22:16:50.762Z | 69.439° E |
| 6 mins | 2026-06-20 23:50:50.762Z | 293.043° NW | 2026-06-20 23:52:50.762Z | 329.659° NNW | 40.998° | 2026-06-20 23:56:50.762Z | 96.458° ESE |
| 5 mins | 2026-06-21 01:29:50.762Z | 267.964° W | 2026-06-21 01:31:50.762Z | 220.298° SW | 30.699° | 2026-06-21 01:34:50.762Z | 146.41° SSE |
| 6 mins | 2026-06-21 20:04:50.762Z | 236.59° WSW | 2026-06-21 20:06:50.762Z | 199.779° SSW | 41.252° | 2026-06-21 20:10:50.762Z | 74.691° E |
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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