STARLINK-35635, 66161
Orbit data source: Space-Track
STARLINK-35635, 66161 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 25 Oct 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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66161 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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 STARLINK-35635
1 66161U 25240R 26171.40608286 .00020768 00000-0 71114-3 0 9994
2 66161 53.1600 305.7893 0001034 95.9678 264.1440 15.30209935 37710Epoch: 2026-06-20T09:44Z
TLE epoch observation values (Epoch: 2026-06-20T09:44:45.559Z)
Latitude
-0.00005°
Longitude
-109.02174°
Altitude
476.157 km
Speed
7.629 km/s
True Right ascension
20h 23m 09s
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
07:16:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.15 km
Perigee altitude
474.733 km
Semi-major axis
6,853.579 km
Eccentricity
0.0001
Inclination
53.16°
RAAN
305.7893°
Arg. of periapsis
95.9678°
True anomaly
264.13221°
Mean anomaly
264.144°
Eccentric anomaly
264.13811°
Mean motion
3.82531 °/min
Orbital period
94.11 mins
BSTAR
0.00071114
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Other satellites on launch #240 in the year 2025 (2025-10-25 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-35635 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-21 10:58:46.460Z | 201.426° SSW | 2026-06-21 11:01:46.460Z | 145.959° SSE | 31.018° | 2026-06-21 11:04:46.460Z | 69.467° E |
| 4 mins | 2026-06-21 12:38:46.460Z | 294.89° NW | 2026-06-21 12:39:46.460Z | 322.341° NNW | 25.679° | 2026-06-21 12:42:46.460Z | 28.361° NE |
| 5 mins | 2026-06-21 17:34:46.460Z | 334.87° NNW | 2026-06-21 17:36:46.460Z | 25.716° NE | 30.165° | 2026-06-21 17:39:46.460Z | 96.515° ESE |
| 5 mins | 2026-06-21 19:12:46.460Z | 275.946° WNW | 2026-06-21 19:14:46.460Z | 227.918° WSW | 25.086° | 2026-06-21 19:17:46.460Z | 169.841° 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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