STARLINK-35219, 66443
Orbit data source: Space-Track
STARLINK-35219, 66443 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 11 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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66443 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: 2 days ago
TLE from 2 days ago
0 STARLINK-35219
1 66443U 25259X 26149.15975283 .00030593 00000-0 11159-2 0 9997
2 66443 42.9969 180.2751 0002031 274.2274 85.8346 15.27600808 31681Epoch: 2026-05-29T03:50Z
TLE epoch observation values (Epoch: 2026-05-29T03:50:02.644Z)
Latitude
0.00002°
Longitude
-123.93003°
Altitude
482.661 km
Speed
7.626 km/s
True Right ascension
12h 01m 06s
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
02:01:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.326 km
Perigee altitude
483.539 km
Semi-major axis
6,863.07 km
Eccentricity
0.0002
Inclination
42.9969°
RAAN
180.2751°
Arg. of periapsis
274.2274°
True anomaly
85.85781°
Mean anomaly
85.8346°
Eccentric anomaly
85.84621°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.0011159
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Other satellites on launch #259 in the year 2025 (2025-11-11 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-35219 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 | 2026-05-31 04:40:55.140Z | 212.674° SW | 2026-05-31 04:43:55.140Z | 144.367° SSE | 29.837° | 2026-05-31 04:46:55.140Z | 85.17° E |
| 6 mins | 2026-05-31 06:19:55.140Z | 264.697° W | 2026-05-31 06:22:55.140Z | 25.388° NE | 42.009° | 2026-05-31 06:25:55.140Z | 70.061° E |
| 5 mins | 2026-05-31 07:59:55.140Z | 297.754° NW | 2026-05-31 08:01:55.140Z | 14.084° NNE | 38.48° | 2026-05-31 08:04:55.140Z | 80.556° E |
| 5 mins | 2026-05-31 09:38:55.140Z | 281.55° WNW | 2026-05-31 09:40:55.140Z | 189.036° SSW | 43.616° | 2026-05-31 09:43:55.140Z | 118.639° 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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