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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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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-35972
1 66638U 25271X 26037.08122784 .00031750 00000-0 10804-2 0 9997
2 66638 53.1591 287.0097 0001282 79.6155 280.4990 15.30173916 12724Epoch: 2026-02-06T01:56Z
TLE epoch observation values (Epoch: 2026-02-06T01:56:58.085Z)
Latitude
-0.00003°
Longitude
121.54343°
Altitude
476.033 km
Speed
7.629 km/s
True Right ascension
19h 08m 02s
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
10:35:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.428 km
Perigee altitude
474.671 km
Semi-major axis
6,853.687 km
Eccentricity
0.00013
Inclination
53.1591°
RAAN
287.0097°
Arg. of periapsis
79.6155°
True anomaly
280.48455°
Mean anomaly
280.499°
Eccentric anomaly
280.49178°
Mean motion
3.82522 °/min
Orbital period
94.11 mins
BSTAR
0.0010804
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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 | 2026-02-06 19:22:58.464Z | 232.164° WSW | 2026-02-06 19:25:58.464Z | 34.461° NE | 42.907° | 2026-02-06 19:28:58.464Z | 48.757° ENE |
| 4 mins | 2026-02-07 00:19:58.464Z | 340.687° N | 2026-02-07 00:21:58.464Z | 15.55° NNE | 16.517° | 2026-02-07 00:23:58.464Z | 54.14° ENE |
| 6 mins | 2026-02-07 01:57:58.464Z | 312.996° NW | 2026-02-07 02:00:58.464Z | 102.368° ESE | 43.189° | 2026-02-07 02:03:58.464Z | 127.083° SE |
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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