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: 4 hours ago
TLE from 4 hours ago
0 STARLINK-35948
1 66633U 25271S 26037.11910489 .00017800 00000-0 61187-3 0 9994
2 66633 53.1558 286.5432 0001135 72.9423 287.1702 15.30189688 12739Epoch: 2026-02-06T02:51Z
TLE epoch observation values (Epoch: 2026-02-06T02:51:30.662Z)
Latitude
-0.00002°
Longitude
107.40387°
Altitude
475.916 km
Speed
7.629 km/s
True Right ascension
19h 06m 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
09:12:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.281 km
Perigee altitude
474.725 km
Semi-major axis
6,853.64 km
Eccentricity
0.00011
Inclination
53.1558°
RAAN
286.5432°
Arg. of periapsis
72.9423°
True anomaly
287.15777°
Mean anomaly
287.1702°
Eccentric anomaly
287.16399°
Mean motion
3.82526 °/min
Orbital period
94.11 mins
BSTAR
0.00061187
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-06 18:41:31.770Z | 200.723° SSW | 2026-02-06 18:44:31.770Z | 135.658° SSE | 32.029° | 2026-02-06 18:47:31.770Z | 67.049° ENE |
| 5 mins | 2026-02-06 20:20:31.770Z | 281.835° WNW | 2026-02-06 20:22:31.770Z | 330.116° NNW | 25.53° | 2026-02-06 20:25:31.770Z | 30.343° NE |
| 5 mins | 2026-02-07 01:17:31.770Z | 337.471° NNW | 2026-02-07 01:19:31.770Z | 35.214° NE | 30.721° | 2026-02-07 01:22:31.770Z | 99.049° ESE |
| 4 mins | 2026-02-07 02:55:31.770Z | 271.752° WNW | 2026-02-07 02:57:31.770Z | 220.954° SW | 24.353° | 2026-02-07 02:59:31.770Z | 178.552° S |
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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