STARLINK-35656, 66391
Orbit data source: Space-Track
STARLINK-35656, 66391 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 08 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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66391 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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-35656
1 66391U 25257M 26170.97417688 .00017409 00000-0 59829-3 0 9999
2 66391 53.1583 104.7582 0001636 117.6809 242.4358 15.30212225 35455Epoch: 2026-06-19T23:22Z
TLE epoch observation values (Epoch: 2026-06-19T23:22:48.882Z)
Latitude
-0.00001°
Longitude
-154.14094°
Altitude
476.597 km
Speed
7.628 km/s
True Right ascension
06h 59m 01s
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
07:17:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.557 km
Perigee altitude
474.314 km
Semi-major axis
6,853.572 km
Eccentricity
0.00016
Inclination
53.1583°
RAAN
104.7582°
Arg. of periapsis
117.6809°
True anomaly
242.41918°
Mean anomaly
242.4358°
Eccentric anomaly
242.42749°
Mean motion
3.82532 °/min
Orbital period
94.11 mins
BSTAR
0.00059829
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Other satellites on launch #257 in the year 2025 (2025-11-08 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-35656 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-20 21:28:55.205Z | 189.47° SSW | 2026-06-20 21:31:55.205Z | 122.98° SE | 26.078° | 2026-06-20 21:33:55.205Z | 78.987° E |
| 4 mins | 2026-06-20 23:07:55.205Z | 281.198° WNW | 2026-06-20 23:09:55.205Z | 344.165° N | 28.596° | 2026-06-20 23:11:55.205Z | 27.357° NE |
| 4 mins | 2026-06-21 04:04:55.205Z | 348.475° N | 2026-06-21 04:05:55.205Z | 13.814° NNE | 25.856° | 2026-06-21 04:08:55.205Z | 86.694° E |
| 4 mins | 2026-06-21 05:42:55.205Z | 272.031° WNW | 2026-06-21 05:43:55.205Z | 243.541° WSW | 29.29° | 2026-06-21 05:46:55.205Z | 165.976° 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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