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 + 2 Pan, 17.7 m
Radar Cross Section
36.964 m²
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 STARLINK-35955
1 66635U 25271U 26128.24799399 .00018219 00000-0 62510-3 0 9992
2 66635 53.1586 223.4097 0001356 68.8273 291.2872 15.30233137 26683Epoch: 2026-05-08T05:57Z
TLE epoch observation values (Epoch: 2026-05-08T05:57:06.680Z)
Latitude
-0.00008°
Longitude
-91.9507°
Altitude
475.678 km
Speed
7.629 km/s
True Right ascension
14h 53m 38s
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
20:51:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.302 km
Perigee altitude
474.443 km
Semi-major axis
6,853.51 km
Eccentricity
0.00014
Inclination
53.1586°
RAAN
223.4097°
Arg. of periapsis
68.8273°
True anomaly
291.27272°
Mean anomaly
291.2872°
Eccentric anomaly
291.27996°
Mean motion
3.82537 °/min
Orbital period
94.11 mins
BSTAR
0.0006251
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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 | 2026-05-08 15:52:10.873Z | 319.4° NNW | 2026-05-08 15:54:10.873Z | 58.252° ENE | 43.201° | 2026-05-08 15:57:10.873Z | 122.437° SE |
| 5 mins | 2026-05-09 08:47:10.873Z | 219.343° SW | 2026-05-09 08:49:10.873Z | 177.899° S | 42.863° | 2026-05-09 08:52:10.873Z | 55.087° ENE |
| 4 mins | 2026-05-09 10:26:10.873Z | 303.441° NW | 2026-05-09 10:28:10.873Z | 347.361° N | 18.756° | 2026-05-09 10:30:10.873Z | 22.383° NNE |
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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