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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 days ago
TLE from 3 days ago
0 STARLINK-35951
1 66619U 25271C 26170.77318987 .00019479 00000-0 66792-3 0 9994
2 66619 53.1598 25.9404 0001768 84.8488 275.2714 15.30206727 33194Epoch: 2026-06-19T18:33Z
TLE epoch observation values (Epoch: 2026-06-19T18:33:23.604Z)
Latitude
-0.00008°
Longitude
-160.40536°
Altitude
475.984 km
Speed
7.629 km/s
True Right ascension
01h 43m 45s
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
13:16:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.663 km
Perigee altitude
474.24 km
Semi-major axis
6,853.588 km
Eccentricity
0.00018
Inclination
53.1598°
RAAN
25.9404°
Arg. of periapsis
84.8488°
True anomaly
275.25123°
Mean anomaly
275.2714°
Eccentric anomaly
275.26131°
Mean motion
3.82531 °/min
Orbital period
94.11 mins
BSTAR
0.00066792
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-23 15:12:08.193Z | 187.574° SSW | 2026-06-23 15:14:08.193Z | 143.167° SSE | 27.506° | 2026-06-23 15:17:08.193Z | 72.888° E |
| 5 mins | 2026-06-23 16:50:08.193Z | 274.312° WNW | 2026-06-23 16:52:08.193Z | 322.472° NNW | 28.024° | 2026-06-23 16:55:08.193Z | 30.479° NE |
| 5 mins | 2026-06-23 21:47:08.193Z | 338.164° N | 2026-06-23 21:49:08.193Z | 28.244° NE | 27.725° | 2026-06-23 21:52:08.193Z | 92.815° ESE |
| 5 mins | 2026-06-23 23:25:08.193Z | 279.186° WNW | 2026-06-23 23:27:08.193Z | 225.887° WSW | 28.428° | 2026-06-23 23:30:08.193Z | 164.574° 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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