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 26265.13314239 .00018716 00000-0 56360-3 0 9996
2 66635 53.1581 306.0184 0001768 101.1443 258.9759 15.34404122 47663Epoch: 2026-09-22T03:11Z
TLE epoch observation values (Epoch: 2026-09-22T03:11:43.502Z)
Latitude
0.00003°
Longitude
-102.91584°
Altitude
463.824 km
Speed
7.636 km/s
True Right ascension
20h 24m 04s
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
16:26:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
464.158 km
Perigee altitude
461.739 km
Semi-major axis
6,841.085 km
Eccentricity
0.00018
Inclination
53.1581°
RAAN
306.0184°
Arg. of periapsis
101.1443°
True anomaly
258.95601°
Mean anomaly
258.9759°
Eccentric anomaly
258.96596°
Mean motion
3.8358 °/min
Orbital period
93.85 mins
BSTAR
0.0005636
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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 | 2026-09-23 04:21:29.720Z | 173.909° S | 2026-09-23 04:23:29.720Z | 138.368° SSE | 19.409° | 2026-09-23 04:26:29.720Z | 81.677° E |
| 5 mins | 2026-09-23 05:59:29.720Z | 263.192° W | 2026-09-23 06:01:29.720Z | 337.359° NNW | 45.738° | 2026-09-23 06:04:29.720Z | 38.72° NE |
| 5 mins | 2026-09-23 10:54:29.720Z | 333.369° NNW | 2026-09-23 10:57:29.720Z | 31.099° NE | 22.546° | 2026-09-23 10:59:29.720Z | 71.874° E |
| 5 mins | 2026-09-23 12:33:29.720Z | 291.458° WNW | 2026-09-23 12:35:29.720Z | 198.37° SSW | 53.663° | 2026-09-23 12:38:29.720Z | 145.89° SSE |
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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