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
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 STARLINK-35965
1 66631U 25271Q 26128.25002315 .00040316 00000-0 11609-2 0 9999
2 66631 53.1601 222.0821 0000626 101.6504 217.5789 15.35387841 5928Epoch: 2026-05-08T06:00Z
TLE epoch observation values (Epoch: 2026-05-08T06:00:02.000Z)
Latitude
-31.72016°
Longitude
-121.43053°
Altitude
469.922 km
Speed
7.631 km/s
True Right ascension
12h 58m 38s
True Declination
-31° 33' 36"
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
21:45:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
460.454 km
Perigee altitude
459.598 km
Semi-major axis
6,838.163 km
Eccentricity
0.00006
Inclination
53.1601°
RAAN
222.0821°
Arg. of periapsis
101.6504°
True anomaly
217.57453°
Mean anomaly
217.5789°
Eccentric anomaly
217.57671°
Mean motion
3.83826 °/min
Orbital period
93.79 mins
BSTAR
0.0011609
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-08 14:26:30.194Z | 346.142° N | 2026-05-08 14:28:30.194Z | 26.788° NE | 17.981° | 2026-05-08 14:30:30.194Z | 64.922° ENE |
| 5 mins | 2026-05-08 16:04:30.194Z | 304.813° NW | 2026-05-08 16:06:30.194Z | 174.976° S | 43.888° | 2026-05-08 16:09:30.194Z | 135.594° SSE |
| 5 mins | 2026-05-09 08:56:30.194Z | 234.86° WSW | 2026-05-09 08:58:30.194Z | 30.334° NE | 42.92° | 2026-05-09 09:01:30.194Z | 48.463° ENE |
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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