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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-35972
1 66638U 25271X 26312.91668981 .00016372 00000-0 49525-3 0 9995
2 66638 53.1563 82.5229 0001360 88.3541 184.6104 15.34360606 5734Epoch: 2026-11-08T22:00Z
TLE epoch observation values (Epoch: 2026-11-08T22:00:01.999Z)
Latitude
-53.20698°
Longitude
-20.66382°
Altitude
482.249 km
Speed
7.624 km/s
True Right ascension
23h 49m 46s
True Declination
-53° 02' 07"
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
13:54:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
464.008 km
Perigee altitude
462.147 km
Semi-major axis
6,841.215 km
Eccentricity
0.00014
Inclination
53.1563°
RAAN
82.5229°
Arg. of periapsis
88.3541°
True anomaly
184.60915°
Mean anomaly
184.6104°
Eccentric anomaly
184.60977°
Mean motion
3.83569 °/min
Orbital period
93.86 mins
BSTAR
0.00049525
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-11-09 19:15:43.681Z | 263.381° W | 2026-11-09 19:16:43.681Z | 237.603° WSW | 26.304° | 2026-11-09 19:19:43.681Z | 173.627° S |
| 4 mins | 2026-11-10 10:30:43.681Z | 175.086° S | 2026-11-10 10:31:43.681Z | 149.128° SSE | 29.982° | 2026-11-10 10:34:43.681Z | 74.627° E |
| 5 mins | 2026-11-10 12:07:43.681Z | 275.187° WNW | 2026-11-10 12:09:43.681Z | 325.562° NNW | 32.034° | 2026-11-10 12:12:43.681Z | 31.225° NE |
| 5 mins | 2026-11-10 17:03:43.681Z | 337.316° NNW | 2026-11-10 17:05:43.681Z | 24.066° NE | 30.07° | 2026-11-10 17:08:43.681Z | 90.567° ESE |
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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