STARLINK-35978, 66601
Orbit data source: Space-Track
STARLINK-35978, 66601 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 22 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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66601 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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-35978
1 66601U 25270P 26277.18788892 .00009176 00000-0 34246-3 0 9995
2 66601 42.9991 318.6355 0001205 241.2135 118.8596 15.27588617 49430Epoch: 2026-10-04T04:30Z
TLE epoch observation values (Epoch: 2026-10-04T04:30:33.602Z)
Latitude
-0.00001°
Longitude
-121.88924°
Altitude
483.198 km
Speed
7.625 km/s
True Right ascension
21h 14m 32s
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
17:54:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.796 km
Perigee altitude
484.142 km
Semi-major axis
6,863.106 km
Eccentricity
0.00012
Inclination
42.9991°
RAAN
318.6355°
Arg. of periapsis
241.2135°
True anomaly
118.87169°
Mean anomaly
118.8596°
Eccentric anomaly
118.86565°
Mean motion
3.81735 °/min
Orbital period
94.31 mins
BSTAR
0.00034246
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Other satellites on launch #270 in the year 2025 (2025-11-22 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-35978 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 | 2026-10-05 05:49:19.042Z | 205.723° SW | 2026-10-05 05:51:19.042Z | 165.232° S | 31.197° | 2026-10-05 05:54:19.042Z | 91.69° ESE |
| 6 mins | 2026-10-05 07:28:19.042Z | 263.736° W | 2026-10-05 07:30:19.042Z | 308.889° NW | 68.437° | 2026-10-05 07:34:19.042Z | 70.6° E |
| 6 mins | 2026-10-05 09:07:19.042Z | 292.064° WNW | 2026-10-05 09:09:19.042Z | 335.243° NNW | 48.056° | 2026-10-05 09:13:19.042Z | 80.327° E |
| 6 mins | 2026-10-05 10:46:19.042Z | 286.03° WNW | 2026-10-05 10:49:19.042Z | 134.883° SE | 66.424° | 2026-10-05 10:52:19.042Z | 114.55° 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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