STARLINK-35940, 66617
Orbit data source: Space-Track
STARLINK-35940, 66617 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 23 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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66617 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 + 1 Pan, 17.7 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-35940
1 66617U 25271A 26264.41033552 .00023755 00000-0 71185-3 0 9993
2 66617 53.1597 309.3351 0001346 86.2830 273.8327 15.34405340 47555Epoch: 2026-09-21T09:50Z
TLE epoch observation values (Epoch: 2026-09-21T09:50:52.988Z)
Latitude
-0°
Longitude
161.32375°
Altitude
463.527 km
Speed
7.636 km/s
True Right ascension
20h 37m 20s
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
17:12:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.865 km
Perigee altitude
462.023 km
Semi-major axis
6,841.081 km
Eccentricity
0.00013
Inclination
53.1597°
RAAN
309.3351°
Arg. of periapsis
86.283°
True anomaly
273.81731°
Mean anomaly
273.8327°
Eccentric anomaly
273.82501°
Mean motion
3.8358 °/min
Orbital period
93.85 mins
BSTAR
0.00071185
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Other satellites on launch #271 in the year 2025 (2025-11-23 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-35940 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 | 2026-09-23 05:49:49.995Z | 252.968° W | 2026-09-23 05:51:49.995Z | 330.731° NNW | 55.852° | 2026-09-23 05:54:49.995Z | 41.113° NE |
| 4 mins | 2026-09-23 10:45:49.995Z | 345.853° N | 2026-09-23 10:47:49.995Z | 27.355° NE | 20.247° | 2026-09-23 10:49:49.995Z | 66.624° ENE |
| 5 mins | 2026-09-23 12:23:49.995Z | 300.911° NW | 2026-09-23 12:25:49.995Z | 196.728° SSW | 68.943° | 2026-09-23 12:28:49.995Z | 139.348° SSE |
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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