STARLINK-35965, 66631
Orbit data source: Space-Track
STARLINK-35965, 66631 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 23 Nov 2025 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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66631 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: 3 days ago
TLE from 3 days ago
0 STARLINK-35965
1 66631U 25271Q 26171.30523082 .00010621 00000-0 32501-3 0 9993
2 66631 53.1582 20.7346 0002028 95.8048 264.3186 15.34400956 33302Epoch: 2026-06-20T07:19Z
TLE epoch observation values (Epoch: 2026-06-20T07:19:31.942Z)
Latitude
-0.00002°
Longitude
2.32973°
Altitude
463.739 km
Speed
7.636 km/s
True Right ascension
01h 22m 56s
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
08:54:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
464.345 km
Perigee altitude
461.57 km
Semi-major axis
6,841.095 km
Eccentricity
0.0002
Inclination
53.1582°
RAAN
20.7346°
Arg. of periapsis
95.8048°
True anomaly
264.29548°
Mean anomaly
264.3186°
Eccentric anomaly
264.30704°
Mean motion
3.83579 °/min
Orbital period
93.85 mins
BSTAR
0.00032501
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Other satellites on launch #271 in the year 2025 (2025-11-23 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-35965 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 22:19:58.443Z | 322.281° NNW | 2026-06-22 22:22:58.443Z | 34.136° NE | 35.749° | 2026-06-22 22:25:58.443Z | 107.541° ESE |
| 4 mins | 2026-06-22 23:58:58.443Z | 261.287° W | 2026-06-22 23:59:58.443Z | 240.432° WSW | 18.36° | 2026-06-23 00:02:58.443Z | 183.507° SSW |
| 5 mins | 2026-06-23 15:13:58.443Z | 189.236° SSW | 2026-06-23 15:15:58.443Z | 115.974° SE | 32.718° | 2026-06-23 15:18:58.443Z | 62.937° ENE |
| 4 mins | 2026-06-23 16:51:58.443Z | 295.306° NW | 2026-06-23 16:52:58.443Z | 320.679° NNW | 23.688° | 2026-06-23 16:55:58.443Z | 26.621° NE |
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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