STARLINK-35818, 66540
Orbit data source: Space-Track
STARLINK-35818, 66540 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 19 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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66540 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: 11 hours ago
TLE from 11 hours ago
0 STARLINK-35818
1 66540U 25265AA 26171.38043703 .00022997 00000-0 84294-3 0 9995
2 66540 42.9999 58.4216 0001283 285.8938 74.1772 15.27567870 32818Epoch: 2026-06-20T09:07Z
TLE epoch observation values (Epoch: 2026-06-20T09:07:49.759Z)
Latitude
-0.00003°
Longitude
12.86835°
Altitude
482.621 km
Speed
7.626 km/s
True Right ascension
03h 53m 41s
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
07:16:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.911 km
Perigee altitude
484.15 km
Semi-major axis
6,863.168 km
Eccentricity
0.00013
Inclination
42.9999°
RAAN
58.4216°
Arg. of periapsis
285.8938°
True anomaly
74.19135°
Mean anomaly
74.1772°
Eccentric anomaly
74.18427°
Mean motion
3.8173 °/min
Orbital period
94.31 mins
BSTAR
0.00084294
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Other satellites on launch #265 in the year 2025 (2025-11-19 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-35818 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 | 2026-06-20 20:21:08.597Z | 227.883° WSW | 2026-06-20 20:23:08.597Z | 178.218° S | 39.244° | 2026-06-20 20:26:08.597Z | 80.057° E |
| 5 mins | 2026-06-20 22:00:08.597Z | 279.246° WNW | 2026-06-20 22:02:08.597Z | 330.169° NNW | 39.13° | 2026-06-20 22:05:08.597Z | 67.972° E |
| 6 mins | 2026-06-20 23:39:08.597Z | 293.329° NW | 2026-06-20 23:42:08.597Z | 49.376° ENE | 39.16° | 2026-06-20 23:45:08.597Z | 91.285° ESE |
| 6 mins | 2026-06-21 01:18:08.597Z | 274.029° WNW | 2026-06-21 01:20:08.597Z | 229.868° WSW | 34.587° | 2026-06-21 01:24:08.597Z | 133.567° SE |
| 6 mins | 2026-06-21 19:53:08.597Z | 228.311° WSW | 2026-06-21 19:56:08.597Z | 122.734° SE | 37.825° | 2026-06-21 19:59:08.597Z | 77.296° E |
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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