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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Edit Public Description
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 26037.06856500 .00060685 00000-0 20412-2 0 9997
2 66635 53.1598 286.9342 0000938 107.0468 253.0635 15.30250922 12724Epoch: 2026-02-06T01:38Z
TLE epoch observation values (Epoch: 2026-02-06T01:38:44.015Z)
Latitude
-0.0001°
Longitude
126.03899°
Altitude
476.15 km
Speed
7.629 km/s
True Right ascension
19h 07m 44s
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
10:35:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
475.962 km
Perigee altitude
474.677 km
Semi-major axis
6,853.456 km
Eccentricity
0.00009
Inclination
53.1598°
RAAN
286.9342°
Arg. of periapsis
107.0468°
True anomaly
253.05322°
Mean anomaly
253.0635°
Eccentric anomaly
253.05836°
Mean motion
3.82542 °/min
Orbital period
94.11 mins
BSTAR
0.0020412
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-02-06 19:03:02.318Z | 218.387° SW | 2026-02-06 19:07:02.318Z | 93.802° ESE | 39.879° | 2026-02-06 19:10:02.318Z | 55.724° ENE |
| 4 mins | 2026-02-06 20:43:02.318Z | 297.923° NW | 2026-02-06 20:45:02.318Z | 342.232° N | 20.058° | 2026-02-06 20:47:02.318Z | 20.34° NNE |
| 6 mins | 2026-02-07 01:39:02.318Z | 322.667° NNW | 2026-02-07 01:42:02.318Z | 69.22° E | 37.15° | 2026-02-07 01:45:02.318Z | 114.819° SE |
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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