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 + 1 Pan, 17.7 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 STARLINK-35965
1 66631U 25271Q 26218.13804182 .00012727 00000-0 38736-3 0 9994
2 66631 53.1564 161.8067 0001478 107.5250 252.5914 15.34384724 40493Epoch: 2026-08-06T03:18Z
TLE epoch observation values (Epoch: 2026-08-06T03:18:46.813Z)
Latitude
-0.00002°
Longitude
157.42923°
Altitude
463.952 km
Speed
7.636 km/s
True Right ascension
10h 47m 13s
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
15:36:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
464.017 km
Perigee altitude
461.995 km
Semi-major axis
6,841.143 km
Eccentricity
0.00015
Inclination
53.1564°
RAAN
161.8067°
Arg. of periapsis
107.525°
True anomaly
252.57524°
Mean anomaly
252.5914°
Eccentric anomaly
252.58332°
Mean motion
3.83575 °/min
Orbital period
93.85 mins
BSTAR
0.00038736
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-08-07 04:47:58.012Z | 339.205° N | 2026-08-07 04:49:58.012Z | 27.384° NE | 25.763° | 2026-08-07 04:52:58.012Z | 90.084° ESE |
| 5 mins | 2026-08-07 06:25:58.012Z | 278.877° WNW | 2026-08-07 06:27:58.012Z | 215.916° SW | 30.169° | 2026-08-07 06:30:58.012Z | 159.431° S |
| 4 mins | 2026-08-07 23:18:58.012Z | 274.777° WNW | 2026-08-07 23:19:58.012Z | 305.819° NW | 32.285° | 2026-08-07 23:22:58.012Z | 32.599° NE |
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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