STARLINK-35485, 66251
Orbit data source: Space-Track
STARLINK-35485, 66251 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 29 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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66251 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-35485
1 66251U 25245T 26171.28567190 .00005989 00000-0 20453-3 0 9991
2 66251 53.1580 166.6914 0001350 82.5707 277.5447 15.31712008 36750Epoch: 2026-06-20T06:51Z
TLE epoch observation values (Epoch: 2026-06-20T06:51:22.052Z)
Latitude
-0.00007°
Longitude
155.34698°
Altitude
471.483 km
Speed
7.632 km/s
True Right ascension
11h 06m 45s
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
07:18:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.886 km
Perigee altitude
470.036 km
Semi-major axis
6,849.098 km
Eccentricity
0.00014
Inclination
53.158°
RAAN
166.6914°
Arg. of periapsis
82.5707°
True anomaly
277.52936°
Mean anomaly
277.5447°
Eccentric anomaly
277.53703°
Mean motion
3.82907 °/min
Orbital period
94.02 mins
BSTAR
0.00020453
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Other satellites on launch #245 in the year 2025 (2025-10-29 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-35485 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 01:48:42.236Z | 196.204° SSW | 2026-06-21 01:51:42.236Z | 118.212° SE | 30.325° | 2026-06-21 01:54:42.236Z | 65.187° ENE |
| 4 mins | 2026-06-21 03:27:42.236Z | 289.475° WNW | 2026-06-21 03:28:42.236Z | 314.56° NW | 25.17° | 2026-06-21 03:31:42.236Z | 26.056° NE |
| 5 mins | 2026-06-21 08:23:42.236Z | 335.895° NNW | 2026-06-21 08:25:42.236Z | 27.908° NE | 29.713° | 2026-06-21 08:28:42.236Z | 96.366° ESE |
| 4 mins | 2026-06-21 10:01:42.236Z | 274.328° WNW | 2026-06-21 10:03:42.236Z | 223.138° SW | 25.33° | 2026-06-21 10:05:42.236Z | 177.962° 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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