STARLINK-35949, 66630
Orbit data source: Space-Track
STARLINK-35949, 66630 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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66630 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: 2 days ago
TLE from 2 days ago
0 STARLINK-35949
1 66630U 25271P 25353.88047524 -.00279700 00000-0 -56580-2 0 9997
2 66630 53.1593 153.0444 0003221 47.5604 312.5676 15.46903837 5319Epoch: 2025-12-19T21:07Z
TLE epoch observation values (Epoch: 2025-12-19T21:07:53.060Z)
Latitude
-0.00003°
Longitude
107.35801°
Altitude
425.214 km
Speed
7.658 km/s
True Right ascension
10h 12m 10s
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
15:47:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
428.24 km
Perigee altitude
423.856 km
Semi-major axis
6,804.185 km
Eccentricity
0.00032
Inclination
53.1593°
RAAN
153.0444°
Arg. of periapsis
47.5604°
True anomaly
312.54041°
Mean anomaly
312.5676°
Eccentric anomaly
312.55401°
Mean motion
3.86704 °/min
Orbital period
93.09 mins
BSTAR
-0.005658
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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-35949 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 | 2025-12-21 18:34:20.298Z | 346.336° N | 2025-12-21 18:36:20.298Z | 30.477° NE | 18.59° | 2025-12-21 18:38:20.298Z | 70.317° E |
| 5 mins | 2025-12-21 20:11:20.298Z | 298.168° NW | 2025-12-21 20:13:20.298Z | 217.401° SW | 41.416° | 2025-12-21 20:16:20.298Z | 142.849° SSE |
| 5 mins | 2025-12-22 12:56:20.298Z | 236.777° WSW | 2025-12-22 12:58:20.298Z | 346.608° N | 44.142° | 2025-12-22 13:01:20.298Z | 47.244° 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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