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 + 2 Pan, 17.7 m
Radar Cross Section
36.964 m²
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-35938
1 66644U 25271AD 26127.54746788 -.00005718 00000-0 -18112-3 0 9999
2 66644 53.1585 226.8540 0001105 76.2904 283.8220 15.30195842 26570Epoch: 2026-05-07T13:08Z
TLE epoch observation values (Epoch: 2026-05-07T13:08:21.224Z)
Latitude
-0.00002°
Longitude
164.37352°
Altitude
475.946 km
Speed
7.629 km/s
True Right ascension
15h 07m 24s
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
20:53:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.241 km
Perigee altitude
474.727 km
Semi-major axis
6,853.621 km
Eccentricity
0.00011
Inclination
53.1585°
RAAN
226.854°
Arg. of periapsis
76.2904°
True anomaly
283.8097°
Mean anomaly
283.822°
Eccentric anomaly
283.81585°
Mean motion
3.82528 °/min
Orbital period
94.11 mins
BSTAR
-0.00018112
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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 | 2026-05-08 14:41:11.247Z | 351.348° N | 2026-05-08 14:43:11.247Z | 36.826° NE | 19.753° | 2026-05-08 14:45:11.247Z | 72.815° E |
| 5 mins | 2026-05-08 16:19:11.247Z | 296.594° NW | 2026-05-08 16:21:11.247Z | 193.525° SSW | 41.373° | 2026-05-08 16:24:11.247Z | 141.98° SSE |
| 5 mins | 2026-05-09 09:14:11.247Z | 245.358° WSW | 2026-05-09 09:16:11.247Z | 301.917° NW | 41.501° | 2026-05-09 09:19:11.247Z | 42.246° NE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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