STARLINK-35405, 66440
Orbit data source: Space-Track
STARLINK-35405, 66440 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 11 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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66440 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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-35405
1 66440U 25259U 26171.36159767 .00014229 00000-0 52551-3 0 9993
2 66440 42.9960 54.5076 0000726 315.7842 44.2952 15.27585448 35197Epoch: 2026-06-20T08:40Z
TLE epoch observation values (Epoch: 2026-06-20T08:40:42.038Z)
Latitude
0.00001°
Longitude
15.75513°
Altitude
482.451 km
Speed
7.626 km/s
True Right ascension
03h 38m 01s
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
08:33:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.477 km
Perigee altitude
484.48 km
Semi-major axis
6,863.116 km
Eccentricity
0.00007
Inclination
42.996°
RAAN
54.5076°
Arg. of periapsis
315.7842°
True anomaly
44.30101°
Mean anomaly
44.2952°
Eccentric anomaly
44.29811°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
0.00052551
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Other satellites on launch #259 in the year 2025 (2025-11-11 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-35405 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 23:11:36.036Z | 294.564° NW | 2026-06-20 23:13:36.036Z | 344.172° N | 39.26° | 2026-06-20 23:16:36.036Z | 84.18° E |
| 5 mins | 2026-06-21 00:50:36.036Z | 276.618° WNW | 2026-06-21 00:52:36.036Z | 226.033° WSW | 38.593° | 2026-06-21 00:55:36.036Z | 131.285° SE |
| 5 mins | 2026-06-21 19:25:36.036Z | 219.924° SW | 2026-06-21 19:27:36.036Z | 174.246° S | 35.025° | 2026-06-21 19:30:36.036Z | 84.329° E |
| 6 mins | 2026-06-21 21:04:36.036Z | 274.124° WNW | 2026-06-21 21:06:36.036Z | 322.513° NNW | 40.228° | 2026-06-21 21:10:36.036Z | 71.206° E |
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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