STARLINK-35923, 66641
Orbit data source: Space-Track
STARLINK-35923, 66641 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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66641 intel report (Beta)
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Edit Public Description
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: 5 hours ago
TLE from 5 hours ago
0 STARLINK-35923
1 66641U 25271AA 25355.50002315 .00020192 00000-0 42149-3 0 9993
2 66641 53.1608 145.2866 0001254 76.3260 327.3559 15.45541387 5659Epoch: 2025-12-21T12:00Z
TLE epoch observation values (Epoch: 2025-12-21T12:00:02.000Z)
Latitude
33.65887°
Longitude
-95.29244°
Altitude
431.397 km
Speed
7.658 km/s
True Right ascension
11h 40m 06s
True Declination
33° 29' 34"
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
15:52:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
430.899 km
Perigee altitude
429.192 km
Semi-major axis
6,808.183 km
Eccentricity
0.00013
Inclination
53.1608°
RAAN
145.2866°
Arg. of periapsis
76.326°
True anomaly
327.34815°
Mean anomaly
327.3559°
Eccentric anomaly
327.35202°
Mean motion
3.86364 °/min
Orbital period
93.18 mins
BSTAR
0.00042149
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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-35923 Visibility forecast
Loading observer location...
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 | 2025-12-21 18:28:27.708Z | 346.866° N | 2025-12-21 18:30:27.708Z | 29.396° NE | 17.514° | 2025-12-21 18:32:27.708Z | 67.849° E |
| 5 mins | 2025-12-21 20:05:27.708Z | 302.878° NW | 2025-12-21 20:07:27.708Z | 223.947° SW | 43.536° | 2025-12-21 20:10:27.708Z | 138.535° SSE |
| 5 mins | 2025-12-22 12:50:27.708Z | 230.332° WSW | 2025-12-22 12:52:27.708Z | 11.041° NNE | 44.955° | 2025-12-22 12:55:27.708Z | 49.555° ENE |
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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