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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-35908
1 66639U 25271Y 26082.26215263 .00007296 00000-0 25834-3 0 9991
2 66639 53.1595 76.9603 0001302 87.5550 272.5599 15.30182641 19647Epoch: 2026-03-23T06:17Z
TLE epoch observation values (Epoch: 2026-03-23T06:17:29.987Z)
Latitude
-0.00007°
Longitude
161.82861°
Altitude
476.127 km
Speed
7.629 km/s
True Right ascension
05h 07m 50s
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
19:15:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.416 km
Perigee altitude
474.631 km
Semi-major axis
6,853.66 km
Eccentricity
0.00013
Inclination
53.1595°
RAAN
76.9603°
Arg. of periapsis
87.555°
True anomaly
272.54499°
Mean anomaly
272.5599°
Eccentric anomaly
272.55245°
Mean motion
3.82525 °/min
Orbital period
94.11 mins
BSTAR
0.00025834
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-03-24 01:15:50.402Z | 169.24° S | 2026-03-24 01:17:50.402Z | 127.506° SE | 20.02° | 2026-03-24 01:19:50.402Z | 87.386° E |
| 5 mins | 2026-03-24 02:53:50.402Z | 268.388° W | 2026-03-24 02:55:50.402Z | 345.429° N | 34.111° | 2026-03-24 02:58:50.402Z | 38.917° NE |
| 4 mins | 2026-03-24 07:50:50.402Z | 350.882° N | 2026-03-24 07:52:50.402Z | 40.678° NE | 21.937° | 2026-03-24 07:54:50.402Z | 78.156° E |
| 5 mins | 2026-03-24 09:28:50.402Z | 286.013° WNW | 2026-03-24 09:30:50.402Z | 199.393° SSW | 36.418° | 2026-03-24 09:33:50.402Z | 149.168° 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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