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 spacecraft
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 17.7 m
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 STARLINK-35965
1 66631U 25271Q 26082.29794464 .00022556 00000-0 77145-3 0 9999
2 66631 53.1597 76.4739 0001217 93.7061 266.4079 15.30196538 19653Epoch: 2026-03-23T07:09Z
TLE epoch observation values (Epoch: 2026-03-23T07:09:02.416Z)
Latitude
-0.00004°
Longitude
148.42184°
Altitude
476.177 km
Speed
7.629 km/s
True Right ascension
05h 05m 53s
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
00:22:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.316 km
Perigee altitude
474.648 km
Semi-major axis
6,853.619 km
Eccentricity
0.00012
Inclination
53.1597°
RAAN
76.4739°
Arg. of periapsis
93.7061°
True anomaly
266.39398°
Mean anomaly
266.4079°
Eccentric anomaly
266.40094°
Mean motion
3.82528 °/min
Orbital period
94.11 mins
BSTAR
0.00077145
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-03-24 02:07:36.921Z | 222.836° SW | 2026-03-24 02:11:36.921Z | 83.845° E | 42.116° | 2026-03-24 02:14:36.921Z | 53.441° ENE |
| 4 mins | 2026-03-24 07:05:36.921Z | 342.046° N | 2026-03-24 07:07:36.921Z | 16.14° NNE | 14.929° | 2026-03-24 07:09:36.921Z | 51.681° ENE |
| 5 mins | 2026-03-24 08:44:36.921Z | 326.435° NNW | 2026-03-24 08:46:36.921Z | 70.528° E | 40.099° | 2026-03-24 08:49:36.921Z | 118.537° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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