STARLINK-35955, 66635
Orbit data source: Space-Track
STARLINK-35955, 66635 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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66635 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-35955
1 66635U 25271U 26218.17007566 .00013387 00000-0 40670-3 0 9996
2 66635 53.1600 165.5533 0000711 36.5470 323.5581 15.34393054 40452Epoch: 2026-08-06T04:04Z
TLE epoch observation values (Epoch: 2026-08-06T04:04:54.537Z)
Latitude
0°
Longitude
149.61209°
Altitude
463.234 km
Speed
7.636 km/s
True Right ascension
11h 02m 12s
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
13:48:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.467 km
Perigee altitude
462.494 km
Semi-major axis
6,841.118 km
Eccentricity
0.00007
Inclination
53.16°
RAAN
165.5533°
Arg. of periapsis
36.547°
True anomaly
323.55326°
Mean anomaly
323.5581°
Eccentric anomaly
323.55568°
Mean motion
3.83577 °/min
Orbital period
93.85 mins
BSTAR
0.0004067
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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-35955 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 00:39:17.922Z | 288.873° WNW | 2026-08-07 00:41:17.922Z | 328.184° NNW | 20.099° | 2026-08-07 00:44:17.922Z | 25.928° NE |
| 5 mins | 2026-08-07 05:35:17.922Z | 325.969° NNW | 2026-08-07 05:37:17.922Z | 19.609° NNE | 37.179° | 2026-08-07 05:40:17.922Z | 109.38° ESE |
| 5 mins | 2026-08-07 22:28:17.922Z | 197.133° SSW | 2026-08-07 22:30:17.922Z | 125.989° SE | 35.749° | 2026-08-07 22:33:17.922Z | 62.186° ENE |
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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