STARLINK-35918, 66643
Orbit data source: Space-Track
STARLINK-35918, 66643 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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66643 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-35918
1 66643U 25271AC 26037.11382144 .00064298 00000-0 21629-2 0 9995
2 66643 53.1571 286.4991 0001395 105.3020 254.8135 15.30220718 12737Epoch: 2026-02-06T02:43Z
TLE epoch observation values (Epoch: 2026-02-06T02:43:54.172Z)
Latitude
-0.00002°
Longitude
109.26702°
Altitude
476.303 km
Speed
7.629 km/s
True Right ascension
19h 05m 59s
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
10:34:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.366 km
Perigee altitude
474.454 km
Semi-major axis
6,853.547 km
Eccentricity
0.00014
Inclination
53.1571°
RAAN
286.4991°
Arg. of periapsis
105.302°
True anomaly
254.79807°
Mean anomaly
254.8135°
Eccentric anomaly
254.80579°
Mean motion
3.82534 °/min
Orbital period
94.11 mins
BSTAR
0.0021629
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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-35918 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 | 2026-02-06 18:34:08.814Z | 190.559° SSW | 2026-02-06 18:37:08.814Z | 115.226° SE | 27.414° | 2026-02-06 18:39:08.814Z | 74.567° E |
| 4 mins | 2026-02-06 20:13:08.814Z | 287.601° WNW | 2026-02-06 20:14:08.814Z | 314.949° NW | 27.27° | 2026-02-06 20:17:08.814Z | 28.137° NE |
| 5 mins | 2026-02-07 01:09:08.814Z | 334.929° NNW | 2026-02-07 01:11:08.814Z | 20.043° NNE | 27.705° | 2026-02-07 01:14:08.814Z | 91.25° ESE |
| 5 mins | 2026-02-07 02:47:08.814Z | 281.718° WNW | 2026-02-07 02:49:08.814Z | 234.216° WSW | 27.874° | 2026-02-07 02:52:08.814Z | 167.076° S |
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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