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
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 STARLINK-35908
1 66639U 25271Y 26128.24377292 .00020408 00000-0 69856-3 0 9993
2 66639 53.1586 223.3805 0001248 104.3298 255.7841 15.30232829 26684Epoch: 2026-05-08T05:51Z
TLE epoch observation values (Epoch: 2026-05-08T05:51:01.980Z)
Latitude
-0.00004°
Longitude
-90.45613°
Altitude
476.227 km
Speed
7.629 km/s
True Right ascension
14h 53m 31s
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
20:51:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.229 km
Perigee altitude
474.518 km
Semi-major axis
6,853.511 km
Eccentricity
0.00012
Inclination
53.1586°
RAAN
223.3805°
Arg. of periapsis
104.3298°
True anomaly
255.77024°
Mean anomaly
255.7841°
Eccentric anomaly
255.77717°
Mean motion
3.82537 °/min
Orbital period
94.11 mins
BSTAR
0.00069856
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-08 15:45:35.188Z | 321.764° NNW | 2026-05-08 15:47:35.188Z | 23.469° NE | 41.308° | 2026-05-08 15:50:35.188Z | 116.978° SE |
| 6 mins | 2026-05-09 08:40:35.188Z | 214.677° SW | 2026-05-09 08:43:35.188Z | 97.865° ESE | 39.921° | 2026-05-09 08:46:35.188Z | 56.168° ENE |
| 4 mins | 2026-05-09 10:19:35.188Z | 296.928° NW | 2026-05-09 10:21:35.188Z | 341.23° N | 20.285° | 2026-05-09 10:23:35.188Z | 19.948° NNE |
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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