STARLINK-35509, 66199
Orbit data source: Space-Track
STARLINK-35509, 66199 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 26 Oct 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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66199 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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-35509
1 66199U 25243Y 26170.89411521 .00024297 00000-0 82947-3 0 9991
2 66199 53.1604 130.3848 0001404 95.3730 264.7431 15.30212224 36306Epoch: 2026-06-19T21:27Z
TLE epoch observation values (Epoch: 2026-06-19T21:27:31.554Z)
Latitude
-0°
Longitude
-99.61322°
Altitude
476.167 km
Speed
7.629 km/s
True Right ascension
08h 41m 32s
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
07:24:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.397 km
Perigee altitude
474.473 km
Semi-major axis
6,853.572 km
Eccentricity
0.00014
Inclination
53.1604°
RAAN
130.3848°
Arg. of periapsis
95.373°
True anomaly
264.72708°
Mean anomaly
264.7431°
Eccentric anomaly
264.73509°
Mean motion
3.82532 °/min
Orbital period
94.11 mins
BSTAR
0.00082947
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Other satellites on launch #243 in the year 2025 (2025-10-26 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-35509 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 | 2026-06-20 22:41:18.955Z | 166.372° S | 2026-06-20 22:43:18.955Z | 132.548° SE | 15.655° | 2026-06-20 22:45:18.955Z | 95.412° ESE |
| 5 mins | 2026-06-21 00:19:18.955Z | 253.723° W | 2026-06-21 00:21:18.955Z | 338.886° N | 39.658° | 2026-06-21 00:24:18.955Z | 41.761° NE |
| 4 mins | 2026-06-21 05:16:18.955Z | 349.886° N | 2026-06-21 05:18:18.955Z | 34.048° NE | 19.468° | 2026-06-21 05:20:18.955Z | 70.751° E |
| 5 mins | 2026-06-21 06:54:18.955Z | 299.245° NW | 2026-06-21 06:56:18.955Z | 200.102° SSW | 42.547° | 2026-06-21 06:59:18.955Z | 140.655° SSE |
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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