STARLINK-35257, 66331
Orbit data source: Space-Track
STARLINK-35257, 66331 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 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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66331 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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-35257
1 66331U 25253N 26170.86154068 .00013288 00000-0 49133-3 0 9995
2 66331 43.0014 355.2079 0001527 271.5246 88.5431 15.27592489 35870Epoch: 2026-06-19T20:40Z
TLE epoch observation values (Epoch: 2026-06-19T20:40:37.114Z)
Latitude
-0.00001°
Longitude
136.96881°
Altitude
482.761 km
Speed
7.626 km/s
True Right ascension
23h 40m 49s
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
16:01:56
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.005 km
Perigee altitude
483.909 km
Semi-major axis
6,863.094 km
Eccentricity
0.00015
Inclination
43.0014°
RAAN
355.2079°
Arg. of periapsis
271.5246°
True anomaly
88.56059°
Mean anomaly
88.5431°
Eccentric anomaly
88.55185°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.00049133
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Other satellites on launch #253 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-35257 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 | 2026-06-20 15:42:41.373Z | 224.736° SW | 2026-06-20 15:46:41.373Z | 128.269° SE | 33.433° | 2026-06-20 15:49:41.373Z | 80.061° E |
| 6 mins | 2026-06-20 17:22:41.373Z | 272.071° WNW | 2026-06-20 17:24:41.373Z | 313.567° NW | 39.995° | 2026-06-20 17:28:41.373Z | 70.768° E |
| 6 mins | 2026-06-20 19:01:41.373Z | 292.344° WNW | 2026-06-20 19:04:41.373Z | 33.882° NE | 38.492° | 2026-06-20 19:07:41.373Z | 85.557° E |
| 6 mins | 2026-06-20 20:40:41.373Z | 280.368° WNW | 2026-06-20 20:43:41.373Z | 174.669° S | 39.567° | 2026-06-20 20:46:41.373Z | 125.548° 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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