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 + 1 Pan, 17.7 m
Radar Cross Section
41.120 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-35951
1 66619U 25271C 26264.39770680 .00015191 00000-0 45971-3 0 9991
2 66619 53.1592 309.2513 0001262 74.5910 285.5232 15.34406560 47557Epoch: 2026-09-21T09:32Z
TLE epoch observation values (Epoch: 2026-09-21T09:32:41.867Z)
Latitude
-0.00002°
Longitude
165.79872°
Altitude
463.354 km
Speed
7.636 km/s
True Right ascension
20h 37m 00s
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
17:12:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.804 km
Perigee altitude
462.077 km
Semi-major axis
6,841.078 km
Eccentricity
0.00013
Inclination
53.1592°
RAAN
309.2513°
Arg. of periapsis
74.591°
True anomaly
285.50927°
Mean anomaly
285.5232°
Eccentric anomaly
285.51623°
Mean motion
3.8358 °/min
Orbital period
93.85 mins
BSTAR
0.00045971
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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 | 2026-09-23 05:30:48.899Z | 233.101° WSW | 2026-09-23 05:32:48.899Z | 304.581° NW | 83.161° | 2026-09-23 05:35:48.899Z | 48.182° ENE |
| 4 mins | 2026-09-23 10:26:48.899Z | 346.272° N | 2026-09-23 10:28:48.899Z | 23.713° NE | 16.683° | 2026-09-23 10:30:48.899Z | 59.236° ENE |
| 5 mins | 2026-09-23 12:04:48.899Z | 315.991° NNW | 2026-09-23 12:06:48.899Z | 42.13° NE | 76.936° | 2026-09-23 12:09:48.899Z | 125.234° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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