STARLINK-35979, 66809
Orbit data source: Space-Track
STARLINK-35979, 66809 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 01 Dec 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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66809 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-35979
1 66809U 25278U 26171.27263500 .00022433 00000-0 82144-3 0 9991
2 66809 43.0006 255.3929 0001512 282.5051 77.5631 15.27612450 30893Epoch: 2026-06-20T06:32Z
TLE epoch observation values (Epoch: 2026-06-20T06:32:35.664Z)
Latitude
-0.00007°
Longitude
-111.24541°
Altitude
482.504 km
Speed
7.626 km/s
True Right ascension
17h 01m 34s
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
07:15:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.935 km
Perigee altitude
483.859 km
Semi-major axis
6,863.034 km
Eccentricity
0.00015
Inclination
43.0006°
RAAN
255.3929°
Arg. of periapsis
282.5051°
True anomaly
77.58002°
Mean anomaly
77.5631°
Eccentric anomaly
77.57156°
Mean motion
3.81741 °/min
Orbital period
94.3 mins
BSTAR
0.00082144
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Other satellites on launch #278 in the year 2025 (2025-12-01 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-35979 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 09:28:17.701Z | 237.377° WSW | 2026-06-21 09:30:17.701Z | 179.33° S | 43.12° | 2026-06-21 09:33:17.701Z | 75.769° E |
| 5 mins | 2026-06-21 11:07:17.701Z | 284.815° WNW | 2026-06-21 11:09:17.701Z | 340.755° N | 38.391° | 2026-06-21 11:12:17.701Z | 69.628° E |
| 6 mins | 2026-06-21 12:46:17.701Z | 293.019° NW | 2026-06-21 12:48:17.701Z | 330.158° NNW | 41.26° | 2026-06-21 12:52:17.701Z | 96.929° ESE |
| 5 mins | 2026-06-21 14:25:17.701Z | 267.278° W | 2026-06-21 14:27:17.701Z | 219.183° SW | 30.398° | 2026-06-21 14:30:17.701Z | 146.875° SSE |
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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