STARLINK-35938, 66644
Orbit data source: Space-Track
STARLINK-35938, 66644 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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66644 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: 1 day ago
TLE from 1 day ago
0 STARLINK-35938
1 66644U 25271AD 26218.11756409 .00014568 00000-0 44169-3 0 9996
2 66644 53.1610 165.9311 0001096 74.6254 285.4870 15.34382436 40449Epoch: 2026-08-06T02:49Z
TLE epoch observation values (Epoch: 2026-08-06T02:49:17.537Z)
Latitude
0.00001°
Longitude
168.94582°
Altitude
463.457 km
Speed
7.636 km/s
True Right ascension
11h 03m 43s
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
17:41:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.762 km
Perigee altitude
462.262 km
Semi-major axis
6,841.149 km
Eccentricity
0.00011
Inclination
53.161°
RAAN
165.9311°
Arg. of periapsis
74.6254°
True anomaly
285.4749°
Mean anomaly
285.487°
Eccentric anomaly
285.48095°
Mean motion
3.83574 °/min
Orbital period
93.85 mins
BSTAR
0.00044169
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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-35938 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 | 2026-08-07 04:16:18.093Z | 343.585° N | 2026-08-07 04:18:18.093Z | 19.816° NNE | 15.764° | 2026-08-07 04:20:18.093Z | 56.5° ENE |
| 5 mins | 2026-08-07 05:54:18.093Z | 315.948° NNW | 2026-08-07 05:56:18.093Z | 7.449° NNE | 43.666° | 2026-08-07 05:59:18.093Z | 123.969° SE |
| 5 mins | 2026-08-07 22:47:18.093Z | 216.897° SW | 2026-08-07 22:49:18.093Z | 96.026° ESE | 42.691° | 2026-08-07 22:52:18.093Z | 53.948° ENE |
| 4 mins | 2026-08-08 00:25:18.093Z | 300.67° NW | 2026-08-08 00:27:18.093Z | 343.752° N | 18.559° | 2026-08-08 00:29:18.093Z | 20.565° NNE |
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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