STARLINK-35908, 66639
Orbit data source: Space-Track
STARLINK-35908, 66639 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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66639 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: 3 days ago
TLE from 3 days ago
0 STARLINK-35908
1 66639U 25271Y 26171.28620868 .00021910 00000-0 74942-3 0 9996
2 66639 53.1585 23.4504 0001026 91.8399 268.2719 15.30212360 33278Epoch: 2026-06-20T06:52Z
TLE epoch observation values (Epoch: 2026-06-20T06:52:08.429Z)
Latitude
-0.00007°
Longitude
11.91222°
Altitude
476.099 km
Speed
7.629 km/s
True Right ascension
01h 33m 48s
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
08:52:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.138 km
Perigee altitude
474.732 km
Semi-major axis
6,853.572 km
Eccentricity
0.0001
Inclination
53.1585°
RAAN
23.4504°
Arg. of periapsis
91.8399°
True anomaly
268.26015°
Mean anomaly
268.2719°
Eccentric anomaly
268.26602°
Mean motion
3.82532 °/min
Orbital period
94.11 mins
BSTAR
0.00074942
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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-35908 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 22:01:47.216Z | 330.747° NNW | 2026-06-22 22:04:47.216Z | 34.582° NE | 25.752° | 2026-06-22 22:07:47.216Z | 91.175° ESE |
| 5 mins | 2026-06-22 23:40:47.216Z | 280.374° WNW | 2026-06-22 23:42:47.216Z | 217.796° SW | 31.297° | 2026-06-22 23:45:47.216Z | 159.028° S |
| 4 mins | 2026-06-23 14:58:47.216Z | 166.433° S | 2026-06-23 15:00:47.216Z | 118.235° SE | 21.457° | 2026-06-23 15:02:47.216Z | 80.975° E |
| 5 mins | 2026-06-23 16:35:47.216Z | 263.559° W | 2026-06-23 16:37:47.216Z | 312.985° NW | 32.642° | 2026-06-23 16:40:47.216Z | 33.177° NE |
| 4 mins | 2026-06-23 21:33:47.216Z | 357.296° N | 2026-06-23 21:34:47.216Z | 23.493° NE | 23.679° | 2026-06-23 21:37:47.216Z | 84.427° E |
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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