STARLINK-35531, 66112
Orbit data source: Space-Track
STARLINK-35531, 66112 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 19 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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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-35531
1 66112U 25236AC 26171.21976507 .00017022 00000-0 58585-3 0 9994
2 66112 53.1628 347.5371 0001485 96.4338 263.6832 15.30182053 38643Epoch: 2026-06-20T05:16Z
TLE epoch observation values (Epoch: 2026-06-20T05:16:27.702Z)
Latitude
0.00001°
Longitude
-0.01584°
Altitude
476.281 km
Speed
7.629 km/s
True Right ascension
23h 10m 08s
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
07:23:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.542 km
Perigee altitude
474.507 km
Semi-major axis
6,853.662 km
Eccentricity
0.00015
Inclination
53.1628°
RAAN
347.5371°
Arg. of periapsis
96.4338°
True anomaly
263.66629°
Mean anomaly
263.6832°
Eccentric anomaly
263.67474°
Mean motion
3.82524 °/min
Orbital period
94.11 mins
BSTAR
0.00058585
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Other satellites on launch #236 in the year 2025 (2025-10-19 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-35531 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-20 21:26:38.884Z | 308.745° NW | 2026-06-20 21:30:38.884Z | 145.15° SSE | 42.622° | 2026-06-20 21:33:38.884Z | 133.421° SE |
| 5 mins | 2026-06-21 14:23:38.884Z | 234.703° WSW | 2026-06-21 14:25:38.884Z | 324.384° NNW | 44.667° | 2026-06-21 14:28:38.884Z | 47.748° ENE |
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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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 |
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