STARLINK-35948, 66633
Orbit data source: Space-Track
STARLINK-35948, 66633 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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66633 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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-35948
1 66633U 25271S 25354.75455016 .00047642 00000-0 11916-2 0 9996
2 66633 53.1597 149.2576 0001072 61.7856 298.3257 15.39670042 5449Epoch: 2025-12-20T18:06Z
TLE epoch observation values (Epoch: 2025-12-20T18:06:33.133Z)
Latitude
-0.00004°
Longitude
148.0427°
Altitude
447.641 km
Speed
7.645 km/s
True Right ascension
09h 57m 01s
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
13:59:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
448.073 km
Perigee altitude
446.61 km
Semi-major axis
6,825.479 km
Eccentricity
0.00011
Inclination
53.1597°
RAAN
149.2576°
Arg. of periapsis
61.7856°
True anomaly
298.31489°
Mean anomaly
298.3257°
Eccentric anomaly
298.32029°
Mean motion
3.84896 °/min
Orbital period
93.53 mins
BSTAR
0.0011916
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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-35948 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 | 2025-12-21 19:31:44.537Z | 325.795° NNW | 2025-12-21 19:33:44.537Z | 22.454° NNE | 37.407° | 2025-12-21 19:36:44.537Z | 110.531° ESE |
| 5 mins | 2025-12-22 12:20:44.537Z | 198.076° SSW | 2025-12-22 12:22:44.537Z | 141.591° SSE | 34.035° | 2025-12-22 12:25:44.537Z | 64.834° ENE |
| 4 mins | 2025-12-22 13:58:44.537Z | 292.883° NW | 2025-12-22 14:00:44.537Z | 345.796° N | 22.299° | 2025-12-22 14:02:44.537Z | 24.584° NE |
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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