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: 1 day ago
TLE from 1 day ago
0 STARLINK-35940
1 66617U 25271A 26218.16374179 .00007291 00000-0 22671-3 0 9990
2 66617 53.1595 165.5194 0000853 183.5190 176.5806 15.34399432 40459Epoch: 2026-08-06T03:55Z
TLE epoch observation values (Epoch: 2026-08-06T03:55:47.290Z)
Latitude
-0.00009°
Longitude
151.86456°
Altitude
464.189 km
Speed
7.635 km/s
True Right ascension
11h 02m 04s
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
17:37:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.545 km
Perigee altitude
462.378 km
Semi-major axis
6,841.099 km
Eccentricity
0.00009
Inclination
53.1595°
RAAN
165.5194°
Arg. of periapsis
183.519°
True anomaly
176.58118°
Mean anomaly
176.5806°
Eccentric anomaly
176.58089°
Mean motion
3.83579 °/min
Orbital period
93.85 mins
BSTAR
0.00022671
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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 | 2026-08-07 05:26:14.921Z | 335.624° NNW | 2026-08-07 05:28:14.921Z | 44.643° NE | 33.618° | 2026-08-07 05:31:14.921Z | 105.768° ESE |
| 4 mins | 2026-08-07 07:04:14.921Z | 259.32° W | 2026-08-07 07:05:14.921Z | 236.178° WSW | 20.31° | 2026-08-07 07:08:14.921Z | 178.819° S |
| 4 mins | 2026-08-07 22:19:14.921Z | 181.706° SSW | 2026-08-07 22:20:14.921Z | 153.009° SSE | 30.154° | 2026-08-07 22:23:14.921Z | 70.713° E |
| 5 mins | 2026-08-07 23:56:14.921Z | 279.321° WNW | 2026-08-07 23:58:14.921Z | 325.724° NNW | 25.351° | 2026-08-08 00:01:14.921Z | 29.422° NE |
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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