STARLINK-35972, 66638
Orbit data source: Space-Track
STARLINK-35972, 66638 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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66638 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 + 1 Pan, 17.7 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 STARLINK-35972
1 66638U 25271X 26218.55036982 .00015756 00000-0 47654-3 0 9996
2 66638 53.1592 163.6594 0001094 97.1961 262.9166 15.34396061 40517Epoch: 2026-08-06T13:12Z
TLE epoch observation values (Epoch: 2026-08-06T13:12:31.952Z)
Latitude
-0.00002°
Longitude
10.43744°
Altitude
463.709 km
Speed
7.636 km/s
True Right ascension
10h 54m 38s
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
13:49:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.72 km
Perigee altitude
462.224 km
Semi-major axis
6,841.109 km
Eccentricity
0.00011
Inclination
53.1592°
RAAN
163.6594°
Arg. of periapsis
97.1961°
True anomaly
262.90416°
Mean anomaly
262.9166°
Eccentric anomaly
262.91038°
Mean motion
3.83578 °/min
Orbital period
93.85 mins
BSTAR
0.00047654
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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-35972 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 | 2026-08-07 00:23:05.833Z | 276.8° WNW | 2026-08-07 00:26:05.833Z | 343.533° N | 23.442° | 2026-08-07 00:28:05.833Z | 23.782° NE |
| 5 mins | 2026-08-07 05:20:05.833Z | 340.493° N | 2026-08-07 05:22:05.833Z | 48.035° ENE | 30.888° | 2026-08-07 05:25:05.833Z | 102.869° ESE |
| 4 mins | 2026-08-07 06:58:05.833Z | 259.548° W | 2026-08-07 06:59:05.833Z | 233.75° WSW | 22.769° | 2026-08-07 07:02:05.833Z | 174.14° S |
| 4 mins | 2026-08-07 22:13:05.833Z | 174.482° S | 2026-08-07 22:14:05.833Z | 146.304° SSE | 27.644° | 2026-08-07 22:17:05.833Z | 72.733° E |
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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