STARLINK-35851, 66356
Orbit data source: Space-Track
STARLINK-35851, 66356 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 06 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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66356 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-35851
1 66356U 25254J 26171.23809370 .00017028 00000-0 58545-3 0 9991
2 66356 53.1598 116.3138 0001402 97.1098 263.0062 15.30215059 34673Epoch: 2026-06-20T05:42Z
TLE epoch observation values (Epoch: 2026-06-20T05:42:51.295Z)
Latitude
-0.00005°
Longitude
122.14445°
Altitude
476.187 km
Speed
7.629 km/s
True Right ascension
07h 45m 15s
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
07:14:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.387 km
Perigee altitude
474.466 km
Semi-major axis
6,853.564 km
Eccentricity
0.00014
Inclination
53.1598°
RAAN
116.3138°
Arg. of periapsis
97.1098°
True anomaly
262.99025°
Mean anomaly
263.0062°
Eccentric anomaly
262.99823°
Mean motion
3.82533 °/min
Orbital period
94.11 mins
BSTAR
0.00058545
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Other satellites on launch #254 in the year 2025 (2025-11-06 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-35851 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 | 2026-06-20 23:08:20.466Z | 229.802° WSW | 2026-06-20 23:11:20.466Z | 329.235° NNW | 44.986° | 2026-06-20 23:14:20.466Z | 49.527° ENE |
| 5 mins | 2026-06-21 05:44:20.466Z | 316.039° NNW | 2026-06-21 05:46:20.466Z | 28.772° NE | 44.151° | 2026-06-21 05:49:20.466Z | 124.644° SE |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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