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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-35938
1 66644U 25271AD 26265.47144933 .00022424 00000-0 67223-3 0 9996
2 66644 53.1587 304.5705 0001604 87.5179 272.6007 15.34428042 47715Epoch: 2026-09-22T11:18Z
TLE epoch observation values (Epoch: 2026-09-22T11:18:53.222Z)
Latitude
-0.00002°
Longitude
133.51228°
Altitude
463.472 km
Speed
7.636 km/s
True Right ascension
20h 18m 16s
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
16:27:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.974 km
Perigee altitude
461.78 km
Semi-major axis
6,841.014 km
Eccentricity
0.00016
Inclination
53.1587°
RAAN
304.5705°
Arg. of periapsis
87.5179°
True anomaly
272.58234°
Mean anomaly
272.6007°
Eccentric anomaly
272.59152°
Mean motion
3.83586 °/min
Orbital period
93.85 mins
BSTAR
0.00067223
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-09-23 04:39:40.001Z | 192.186° SSW | 2026-09-23 04:42:40.001Z | 132.042° SE | 29.411° | 2026-09-23 04:45:40.001Z | 71.394° E |
| 4 mins | 2026-09-23 06:18:40.001Z | 281.336° WNW | 2026-09-23 06:20:40.001Z | 344.092° N | 32.381° | 2026-09-23 06:22:40.001Z | 27.174° NE |
| 4 mins | 2026-09-23 11:14:40.001Z | 345.913° N | 2026-09-23 11:16:40.001Z | 40.917° NE | 28.453° | 2026-09-23 11:18:40.001Z | 83.842° E |
| 5 mins | 2026-09-23 12:51:40.001Z | 286.664° WNW | 2026-09-23 12:53:40.001Z | 240.46° WSW | 35.557° | 2026-09-23 12:56:40.001Z | 163.706° S |
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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