STARLINK-35817, 66357
Orbit data source: Space-Track
STARLINK-35817, 66357 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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66357 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-35817
1 66357U 25254K 26171.22859536 .00015028 00000-0 51828-3 0 9995
2 66357 53.1595 116.2566 0001214 89.0363 271.0777 15.30212100 34677Epoch: 2026-06-20T05:29Z
TLE epoch observation values (Epoch: 2026-06-20T05:29:10.639Z)
Latitude
0.00001°
Longitude
125.51605°
Altitude
476.063 km
Speed
7.629 km/s
True Right ascension
07h 45m 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
07:17:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.267 km
Perigee altitude
474.603 km
Semi-major axis
6,853.572 km
Eccentricity
0.00012
Inclination
53.1595°
RAAN
116.2566°
Arg. of periapsis
89.0363°
True anomaly
271.06379°
Mean anomaly
271.0777°
Eccentric anomaly
271.07075°
Mean motion
3.82532 °/min
Orbital period
94.11 mins
BSTAR
0.00051828
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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-35817 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 22:54:05.815Z | 218.882° SW | 2026-06-20 22:57:05.815Z | 142.356° SSE | 42.819° | 2026-06-20 23:00:05.815Z | 56.026° ENE |
| 4 mins | 2026-06-21 00:34:05.815Z | 307.039° NW | 2026-06-21 00:35:05.815Z | 329.224° NNW | 19.678° | 2026-06-21 00:38:05.815Z | 25.533° NE |
| 5 mins | 2026-06-21 05:30:05.815Z | 324.889° NNW | 2026-06-21 05:32:05.815Z | 31.513° NE | 39.899° | 2026-06-21 05:35:05.815Z | 114.087° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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