STARLINK-35603, 66141
Orbit data source: Space-Track
STARLINK-35603, 66141 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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66141 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, Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-35603
1 66141U 25237AD 26170.70303737 .00034178 00000-0 10185-2 0 9993
2 66141 53.1602 285.4667 0001122 86.3597 273.7534 15.34385477 38233Epoch: 2026-06-19T16:52Z
TLE epoch observation values (Epoch: 2026-06-19T16:52:22.428Z)
Latitude
-0.00003°
Longitude
124.44502°
Altitude
463.598 km
Speed
7.636 km/s
True Right ascension
19h 01m 52s
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
08:41:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.771 km
Perigee altitude
462.236 km
Semi-major axis
6,841.14 km
Eccentricity
0.00011
Inclination
53.1602°
RAAN
285.4667°
Arg. of periapsis
86.3597°
True anomaly
273.74057°
Mean anomaly
273.7534°
Eccentric anomaly
273.74699°
Mean motion
3.83575 °/min
Orbital period
93.85 mins
BSTAR
0.0010185
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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-35603 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 | 2026-06-21 09:40:38.956Z | 212.399° SW | 2026-06-21 09:43:38.956Z | 158.511° S | 37.737° | 2026-06-21 09:46:38.956Z | 62.091° ENE |
| 4 mins | 2026-06-21 11:20:38.956Z | 304.6° NW | 2026-06-21 11:21:38.956Z | 329.264° NNW | 21.439° | 2026-06-21 11:24:38.956Z | 27.421° NE |
| 5 mins | 2026-06-21 16:15:38.956Z | 329.512° NNW | 2026-06-21 16:17:38.956Z | 25.998° NE | 35.087° | 2026-06-21 16:20:38.956Z | 105.803° ESE |
| 4 mins | 2026-06-21 17:53:38.956Z | 264.245° W | 2026-06-21 17:55:38.956Z | 219.916° SW | 18.723° | 2026-06-21 17:57:38.956Z | 184.471° SSW |
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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