STARLINK-35951, 66619
Orbit data source: Space-Track
STARLINK-35951, 66619 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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66619 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-35951
1 66619U 25271C 26082.40230561 .00024118 00000-0 82385-3 0 9999
2 66619 53.1580 76.4155 0001103 73.8323 286.2799 15.30197367 19668Epoch: 2026-03-23T09:39Z
TLE epoch observation values (Epoch: 2026-03-23T09:39:19.204Z)
Latitude
-0.00004°
Longitude
110.69063°
Altitude
475.911 km
Speed
7.629 km/s
True Right ascension
05h 05m 39s
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
00:21:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.236 km
Perigee altitude
474.724 km
Semi-major axis
6,853.617 km
Eccentricity
0.00011
Inclination
53.158°
RAAN
76.4155°
Arg. of periapsis
73.8323°
True anomaly
286.26777°
Mean anomaly
286.2799°
Eccentric anomaly
286.27383°
Mean motion
3.82528 °/min
Orbital period
94.11 mins
BSTAR
0.00082385
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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-35951 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 | 2026-03-24 01:29:00.471Z | 190.034° SSW | 2026-03-24 01:32:00.471Z | 128.528° SE | 25.631° | 2026-03-24 01:35:00.471Z | 71.403° E |
| 5 mins | 2026-03-24 03:08:00.471Z | 277.402° WNW | 2026-03-24 03:10:00.471Z | 338.327° N | 29.529° | 2026-03-24 03:13:00.471Z | 34.978° NE |
| 4 mins | 2026-03-24 08:05:00.471Z | 345.853° N | 2026-03-24 08:07:00.471Z | 41.139° NE | 25.884° | 2026-03-24 08:09:00.471Z | 83.99° E |
| 4 mins | 2026-03-24 09:43:00.471Z | 276.227° WNW | 2026-03-24 09:45:00.471Z | 210.433° SW | 30.037° | 2026-03-24 09:47:00.471Z | 166.567° 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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