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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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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-35573
1 66116U 25237C 26061.44492048 .00042051 00000-0 14237-2 0 9990
2 66116 53.1597 73.1159 0001340 89.1567 270.9587 15.30202924 21506Epoch: 2026-03-02T10:40Z
TLE epoch observation values (Epoch: 2026-03-02T10:40:41.129Z)
Latitude
-0.00004°
Longitude
112.70626°
Altitude
476.091 km
Speed
7.629 km/s
True Right ascension
04h 52m 27s
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
05:24:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.381 km
Perigee altitude
474.544 km
Semi-major axis
6,853.6 km
Eccentricity
0.00013
Inclination
53.1597°
RAAN
73.1159°
Arg. of periapsis
89.1567°
True anomaly
270.94335°
Mean anomaly
270.9587°
Eccentric anomaly
270.95102°
Mean motion
3.8253 °/min
Orbital period
94.11 mins
BSTAR
0.0014237
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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 | 2026-03-03 02:30:55.850Z | 174.87° S | 2026-03-03 02:32:55.850Z | 132.031° SE | 22.157° | 2026-03-03 02:35:55.850Z | 75.698° E |
| 5 mins | 2026-03-03 04:08:55.850Z | 270.029° WNW | 2026-03-03 04:10:55.850Z | 335.389° NNW | 32.658° | 2026-03-03 04:13:55.850Z | 36.396° NE |
| 4 mins | 2026-03-03 09:05:55.850Z | 346.638° N | 2026-03-03 09:07:55.850Z | 37.011° NE | 23.675° | 2026-03-03 09:09:55.850Z | 78.689° E |
| 5 mins | 2026-03-03 10:43:55.850Z | 283.804° WNW | 2026-03-03 10:45:55.850Z | 211.112° SW | 34.453° | 2026-03-03 10:48:55.850Z | 153.736° SSE |
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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