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 + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 STARLINK-35978
1 66601U 25270P 26171.13108272 .00011038 00000-0 40990-3 0 9994
2 66601 43.0030 197.5915 0001871 281.9621 78.1021 15.27589912 33211Epoch: 2026-06-20T03:08Z
TLE epoch observation values (Epoch: 2026-06-20T03:08:45.547Z)
Latitude
0.00001°
Longitude
-117.94838°
Altitude
482.531 km
Speed
7.626 km/s
True Right ascension
13h 10m 21s
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
08:32:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.248 km
Perigee altitude
483.68 km
Semi-major axis
6,863.101 km
Eccentricity
0.00019
Inclination
43.003°
RAAN
197.5915°
Arg. of periapsis
281.9621°
True anomaly
78.12308°
Mean anomaly
78.1021°
Eccentric anomaly
78.11259°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.0004099
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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 | 2026-06-21 04:26:46.795Z | 197.01° SSW | 2026-06-21 04:29:46.795Z | 133.446° SE | 22.285° | 2026-06-21 04:31:46.795Z | 96.477° ESE |
| 5 mins | 2026-06-21 06:05:46.795Z | 254.66° W | 2026-06-21 06:07:46.795Z | 279.091° WNW | 44.43° | 2026-06-21 06:10:46.795Z | 70.884° E |
| 6 mins | 2026-06-21 07:44:46.795Z | 289.949° WNW | 2026-06-21 07:46:46.795Z | 338.07° N | 37.09° | 2026-06-21 07:50:46.795Z | 77.728° E |
| 6 mins | 2026-06-21 09:23:46.795Z | 288.93° WNW | 2026-06-21 09:25:46.795Z | 294.585° NW | 42.285° | 2026-06-21 09:29:46.795Z | 107.656° ESE |
| 4 mins | 2026-06-21 11:03:46.795Z | 242.254° WSW | 2026-06-21 11:04:46.795Z | 218.244° SW | 22.034° | 2026-06-21 11:07:46.795Z | 161.032° 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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