STARLINK-35444, 66511
Orbit data source: Space-Track
STARLINK-35444, 66511 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 Nov 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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66511 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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 STARLINK-35444
1 66511U 25263AC 26171.23666260 .00012215 00000-0 45250-3 0 9995
2 66511 43.0013 131.4271 0001574 264.3751 95.6921 15.27591446 34582Epoch: 2026-06-20T05:40Z
TLE epoch observation values (Epoch: 2026-06-20T05:40:47.648Z)
Latitude
-0.00004°
Longitude
137.77435°
Altitude
482.898 km
Speed
7.626 km/s
True Right ascension
08h 45m 42s
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
07:14:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.04 km
Perigee altitude
483.88 km
Semi-major axis
6,863.097 km
Eccentricity
0.00016
Inclination
43.0013°
RAAN
131.4271°
Arg. of periapsis
264.3751°
True anomaly
95.71005°
Mean anomaly
95.6921°
Eccentric anomaly
95.70107°
Mean motion
3.81736 °/min
Orbital period
94.31 mins
BSTAR
0.0004525
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Other satellites on launch #263 in the year 2025 (2025-11-15 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-35444 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 | 2026-06-21 00:43:26.782Z | 218.694° SW | 2026-06-21 00:46:26.782Z | 141.236° SSE | 33.504° | 2026-06-21 00:49:26.782Z | 82.12° E |
| 6 mins | 2026-06-21 02:22:26.782Z | 269.508° W | 2026-06-21 02:25:26.782Z | 20.199° NNE | 40.822° | 2026-06-21 02:28:26.782Z | 69.977° E |
| 5 mins | 2026-06-21 04:02:26.782Z | 298.22° NW | 2026-06-21 04:04:26.782Z | 15.548° NNE | 39.231° | 2026-06-21 04:07:26.782Z | 83.58° E |
| 5 mins | 2026-06-21 05:41:26.782Z | 276.811° WNW | 2026-06-21 05:43:26.782Z | 193.894° SSW | 41.429° | 2026-06-21 05:46:26.782Z | 124.674° 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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