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 + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 STARLINK-35972
1 66638U 25271X 26170.91121118 .00026171 00000-0 89199-3 0 9992
2 66638 53.1604 25.3797 0001316 111.3134 248.8007 15.30223060 33218Epoch: 2026-06-19T21:52Z
TLE epoch observation values (Epoch: 2026-06-19T21:52:08.645Z)
Latitude
-0.00007°
Longitude
149.21023°
Altitude
476.372 km
Speed
7.629 km/s
True Right ascension
01h 41m 31s
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
08:53:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.305 km
Perigee altitude
474.501 km
Semi-major axis
6,853.54 km
Eccentricity
0.00013
Inclination
53.1604°
RAAN
25.3797°
Arg. of periapsis
111.3134°
True anomaly
248.78664°
Mean anomaly
248.8007°
Eccentric anomaly
248.79367°
Mean motion
3.82535 °/min
Orbital period
94.11 mins
BSTAR
0.00089199
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 22:27:23.726Z | 327.499° NNW | 2026-06-22 22:30:23.726Z | 58.049° ENE | 32.892° | 2026-06-22 22:33:23.726Z | 107.384° ESE |
| 4 mins | 2026-06-23 00:06:23.726Z | 258.706° W | 2026-06-23 00:07:23.726Z | 235.635° WSW | 20.594° | 2026-06-23 00:10:23.726Z | 178.966° S |
| 5 mins | 2026-06-23 15:23:23.726Z | 192.028° SSW | 2026-06-23 15:25:23.726Z | 130.913° SE | 33.045° | 2026-06-23 15:28:23.726Z | 65.433° ENE |
| 5 mins | 2026-06-23 17:01:23.726Z | 284.54° WNW | 2026-06-23 17:03:23.726Z | 333.676° NNW | 24.907° | 2026-06-23 17:06:23.726Z | 30.905° 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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