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
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 STARLINK-35531
1 66112U 25236AC 26098.91630755 .00020465 00000-0 70132-3 0 9998
2 66112 53.1580 323.3816 0001105 77.7858 282.3266 15.30192988 27571Epoch: 2026-04-08T21:59Z
TLE epoch observation values (Epoch: 2026-04-08T21:59:28.972Z)
Latitude
-0.00005°
Longitude
156.33904°
Altitude
475.974 km
Speed
7.629 km/s
True Right ascension
21h 33m 31s
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
16:24:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.25 km
Perigee altitude
474.735 km
Semi-major axis
6,853.63 km
Eccentricity
0.00011
Inclination
53.158°
RAAN
323.3816°
Arg. of periapsis
77.7858°
True anomaly
282.31423°
Mean anomaly
282.3266°
Eccentric anomaly
282.32041°
Mean motion
3.82527 °/min
Orbital period
94.11 mins
BSTAR
0.00070132
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-04-09 16:57:47.840Z | 194.308° SSW | 2026-04-09 17:00:47.840Z | 120.517° SE | 29.244° | 2026-04-09 17:03:47.840Z | 66.575° ENE |
| 4 mins | 2026-04-09 18:36:47.840Z | 285.602° WNW | 2026-04-09 18:38:47.840Z | 343.095° N | 26.415° | 2026-04-09 18:40:47.840Z | 25.324° NE |
| 4 mins | 2026-04-09 23:33:47.840Z | 345.942° N | 2026-04-09 23:35:47.840Z | 49.147° ENE | 28.13° | 2026-04-09 23:37:47.840Z | 90.831° ESE |
| 4 mins | 2026-04-10 01:11:47.840Z | 267.299° W | 2026-04-10 01:12:47.840Z | 240.705° WSW | 26.203° | 2026-04-10 01:15:47.840Z | 171.001° 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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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