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
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 STARLINK-35603
1 66141U 25237AD 26061.29225128 .00026438 00000-0 90093-3 0 9990
2 66141 53.1606 74.2865 0001672 80.8801 279.2389 15.30223683 21471Epoch: 2026-03-02T07:00Z
TLE epoch observation values (Epoch: 2026-03-02T07:00:50.510Z)
Latitude
-0.00002°
Longitude
168.98827°
Altitude
475.86 km
Speed
7.629 km/s
True Right ascension
04h 57m 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
07:19:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.547 km
Perigee altitude
474.255 km
Semi-major axis
6,853.538 km
Eccentricity
0.00017
Inclination
53.1606°
RAAN
74.2865°
Arg. of periapsis
80.8801°
True anomaly
279.21999°
Mean anomaly
279.2389°
Eccentric anomaly
279.22944°
Mean motion
3.82535 °/min
Orbital period
94.11 mins
BSTAR
0.00090093
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-03-03 03:36:12.350Z | 236.648° WSW | 2026-03-03 03:37:12.350Z | 254.388° W | 43.291° | 2026-03-03 03:41:12.350Z | 48.511° ENE |
| 4 mins | 2026-03-03 08:32:12.350Z | 343.945° N | 2026-03-03 08:34:12.350Z | 20.922° NNE | 16.786° | 2026-03-03 08:36:12.350Z | 58.18° ENE |
| 6 mins | 2026-03-03 10:10:12.350Z | 312.726° NW | 2026-03-03 10:12:12.350Z | 329.38° NNW | 42.974° | 2026-03-03 10:16:12.350Z | 128.182° SE |
| 5 mins | 2026-03-04 03:06:12.350Z | 225.905° WSW | 2026-03-04 03:08:12.350Z | 69.415° E | 44.229° | 2026-03-04 03:11:12.350Z | 51.106° 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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