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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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-35918
1 66643U 25271AC 26128.25002315 -.00806385 00000-0 -24655-1 0 9994
2 66643 53.1599 222.1451 0001685 113.5625 173.3049 15.35752974 5829Epoch: 2026-05-08T06:00Z
TLE epoch observation values (Epoch: 2026-05-08T06:00:02.000Z)
Latitude
-50.15491°
Longitude
-157.17545°
Altitude
477.139 km
Speed
7.626 km/s
True Right ascension
10h 35m 40s
True Declination
-49° 58' 43"
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
20:50:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
460.094 km
Perigee altitude
457.79 km
Semi-major axis
6,837.079 km
Eccentricity
0.00017
Inclination
53.1599°
RAAN
222.1451°
Arg. of periapsis
113.5625°
True anomaly
173.30715°
Mean anomaly
173.3049°
Eccentric anomaly
173.30603°
Mean motion
3.83917 °/min
Orbital period
93.77 mins
BSTAR
-0.024655
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-05-08 14:35:18.520Z | 345.607° N | 2026-05-08 14:37:18.520Z | 28.483° NE | 19.62° | 2026-05-08 14:39:18.520Z | 68.615° E |
| 5 mins | 2026-05-08 16:13:18.520Z | 296.881° NW | 2026-05-08 16:15:18.520Z | 194.521° SSW | 41.299° | 2026-05-08 16:18:18.520Z | 141.892° SSE |
| 5 mins | 2026-05-09 09:05:18.520Z | 242.094° WSW | 2026-05-09 09:07:18.520Z | 288.477° WNW | 41.839° | 2026-05-09 09:10:18.520Z | 43.264° NE |
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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