STARLINK-35545, 66109
Orbit data source: Space-Track
STARLINK-35545, 66109 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 19 Oct 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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66109 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-35545
1 66109U 25236Z 26095.06801737 .00014420 00000-0 49881-3 0 9998
2 66109 53.1607 341.3169 0001056 131.3588 228.7504 15.30148963 26987Epoch: 2026-04-05T01:37Z
TLE epoch observation values (Epoch: 2026-04-05T01:37:56.700Z)
Latitude
-0.00001°
Longitude
123.45189°
Altitude
476.744 km
Speed
7.628 km/s
True Right ascension
22h 45m 16s
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
21:54:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.348 km
Perigee altitude
474.9 km
Semi-major axis
6,853.761 km
Eccentricity
0.00011
Inclination
53.1607°
RAAN
341.3169°
Arg. of periapsis
131.3588°
True anomaly
228.7413°
Mean anomaly
228.7504°
Eccentric anomaly
228.74585°
Mean motion
3.82516 °/min
Orbital period
94.11 mins
BSTAR
0.00049881
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Other satellites on launch #236 in the year 2025 (2025-10-19 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-35545 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 | 2026-04-05 19:02:49.671Z | 225.878° WSW | 2026-04-05 19:05:49.671Z | 210.752° SW | 42.534° | 2026-04-05 19:09:49.671Z | 51.615° ENE |
| 4 mins | 2026-04-06 00:00:49.671Z | 343.373° N | 2026-04-06 00:02:49.671Z | 18.652° NNE | 15.529° | 2026-04-06 00:04:49.671Z | 54.441° ENE |
| 6 mins | 2026-04-06 01:38:49.671Z | 317.452° NNW | 2026-04-06 01:41:49.671Z | 87.102° E | 40.455° | 2026-04-06 01:44:49.671Z | 121.905° SE |
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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