STARLINK-35573, 66116
Orbit data source: Space-Track
STARLINK-35573, 66116 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 22 Oct 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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66116 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 17.7 m
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 STARLINK-35573
1 66116U 25237C 25312.16668980 -.01841000 00000-0 -16998-1 0 9996
2 66116 53.1593 251.4390 0001015 101.2157 176.9686 15.70306874 3924Epoch: 2025-11-08T04:00Z
TLE epoch observation values (Epoch: 2025-11-08T04:00:01.998Z)
Latitude
-52.54625°
Longitude
67.28856°
Altitude
376.931 km
Speed
7.683 km/s
True Right ascension
11h 39m 35s
True Declination
-52° 22' 15"
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
06:34:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
358.964 km
Perigee altitude
357.596 km
Semi-major axis
6,736.417 km
Eccentricity
0.0001
Inclination
53.1593°
RAAN
251.439°
Arg. of periapsis
101.2157°
True anomaly
176.96922°
Mean anomaly
176.9686°
Eccentric anomaly
176.96891°
Mean motion
3.92554 °/min
Orbital period
91.71 mins
BSTAR
-0.016998
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Other satellites on launch #237 in the year 2025 (2025-10-22 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-35573 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 | 2025-11-08 22:53:19.777Z | 232.661° WSW | 2025-11-08 22:55:19.777Z | 265.6° W | 44.258° | 2025-11-08 22:58:19.777Z | 48.395° ENE |
| 4 mins | 2025-11-09 05:19:19.777Z | 323.409° NNW | 2025-11-09 05:21:19.777Z | 74.778° E | 39.166° | 2025-11-09 05:23:19.777Z | 117.153° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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