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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-35965
1 66631U 25271Q 26265.42678329 .00006968 00000-0 21719-3 0 9993
2 66631 53.1599 300.7434 0001158 68.9905 291.1222 15.34396104 47757Epoch: 2026-09-22T10:14Z
TLE epoch observation values (Epoch: 2026-09-22T10:14:34.076Z)
Latitude
0.00004°
Longitude
145.80902°
Altitude
463.331 km
Speed
7.636 km/s
True Right ascension
20h 02m 58s
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
16:27:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.764 km
Perigee altitude
462.18 km
Semi-major axis
6,841.109 km
Eccentricity
0.00012
Inclination
53.1599°
RAAN
300.7434°
Arg. of periapsis
68.9905°
True anomaly
291.10982°
Mean anomaly
291.1222°
Eccentric anomaly
291.11601°
Mean motion
3.83578 °/min
Orbital period
93.85 mins
BSTAR
0.00021719
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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 | 2026-09-23 05:10:37.851Z | 228.363° WSW | 2026-09-23 05:13:37.851Z | 224.059° SW | 76.369° | 2026-09-23 05:16:37.851Z | 50.194° ENE |
| 4 mins | 2026-09-23 10:07:37.851Z | 343.488° N | 2026-09-23 10:09:37.851Z | 18.925° NNE | 16.031° | 2026-09-23 10:11:37.851Z | 55.002° ENE |
| 5 mins | 2026-09-23 11:45:37.851Z | 317.994° NNW | 2026-09-23 11:47:37.851Z | 8.701° NNE | 67.109° | 2026-09-23 11:50:37.851Z | 121.216° 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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