STARLINK-35536, 66261
Orbit data source: Space-Track
STARLINK-35536, 66261 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 29 Oct 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
66261 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-35536
1 66261U 25245AD 26171.21574575 .00017644 00000-0 57836-3 0 9996
2 66261 53.1574 166.9610 0001210 95.1952 264.9187 15.31734621 36966Epoch: 2026-06-20T05:10Z
TLE epoch observation values (Epoch: 2026-06-20T05:10:40.432Z)
Latitude
-0.00008°
Longitude
-179.14109°
Altitude
471.61 km
Speed
7.631 km/s
True Right ascension
11h 07m 50s
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
07:15:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.723 km
Perigee altitude
470.065 km
Semi-major axis
6,849.031 km
Eccentricity
0.00012
Inclination
53.1574°
RAAN
166.961°
Arg. of periapsis
95.1952°
True anomaly
264.90489°
Mean anomaly
264.9187°
Eccentric anomaly
264.91179°
Mean motion
3.82912 °/min
Orbital period
94.02 mins
BSTAR
0.00057836
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #245 in the year 2025 (2025-10-29 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-35536 Visibility forecast
Loading observer location...
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 | 2026-06-21 01:41:52.305Z | 189.383° SSW | 2026-06-21 01:43:52.305Z | 148.854° SSE | 26.813° | 2026-06-21 01:46:52.305Z | 74.569° E |
| 5 mins | 2026-06-21 03:19:52.305Z | 273.223° WNW | 2026-06-21 03:21:52.305Z | 319.725° NNW | 27.827° | 2026-06-21 03:24:52.305Z | 29.87° NE |
| 5 mins | 2026-06-21 08:16:52.305Z | 341.299° N | 2026-06-21 08:18:52.305Z | 35.566° NE | 27.392° | 2026-06-21 08:21:52.305Z | 94.28° ESE |
| 4 mins | 2026-06-21 09:54:52.305Z | 274.854° WNW | 2026-06-21 09:56:52.305Z | 214.857° SW | 28.071° | 2026-06-21 09:58:52.305Z | 170.627° 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 |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|