STARLINK-35744, 66581
Orbit data source: Space-Track
STARLINK-35744, 66581 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 21 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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66581 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-35744
1 66581U 25268AA 26171.29223635 .00016163 00000-0 59524-3 0 9993
2 66581 42.9996 127.4261 0001244 275.2209 84.8501 15.27599705 33651Epoch: 2026-06-20T07:00Z
TLE epoch observation values (Epoch: 2026-06-20T07:00:49.220Z)
Latitude
-0°
Longitude
113.71206°
Altitude
482.689 km
Speed
7.626 km/s
True Right ascension
08h 29m 42s
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
07:17:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.789 km
Perigee altitude
484.082 km
Semi-major axis
6,863.072 km
Eccentricity
0.00012
Inclination
42.9996°
RAAN
127.4261°
Arg. of periapsis
275.2209°
True anomaly
84.8643°
Mean anomaly
84.8501°
Eccentric anomaly
84.8572°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.00059524
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Other satellites on launch #268 in the year 2025 (2025-11-21 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-35744 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 | 2026-06-21 00:28:44.155Z | 222.546° SW | 2026-06-21 00:31:44.155Z | 169.381° S | 33.115° | 2026-06-21 00:34:44.155Z | 86.017° E |
| 5 mins | 2026-06-21 02:08:44.155Z | 271.758° WNW | 2026-06-21 02:10:44.155Z | 323.509° NNW | 41.212° | 2026-06-21 02:13:44.155Z | 67.901° E |
| 6 mins | 2026-06-21 03:47:44.155Z | 293.175° NW | 2026-06-21 03:49:44.155Z | 334.816° NNW | 37.663° | 2026-06-21 03:53:44.155Z | 85.326° E |
| 6 mins | 2026-06-21 05:26:44.155Z | 280.445° WNW | 2026-06-21 05:28:44.155Z | 243.713° WSW | 39.353° | 2026-06-21 05:32:44.155Z | 123.684° SE |
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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