STARLINK-35576, 66137
Orbit data source: Space-Track
STARLINK-35576, 66137 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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66137 intel report (Beta)
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Edit Public Description
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: 22 hours ago
TLE from 22 hours ago
0 STARLINK-35576
1 66137U 25237Z 25344.70122096 .00088114 00000-0 21857-2 0 9994
2 66137 53.1609 96.6748 0001054 101.6077 258.5047 15.39644895 8936Epoch: 2025-12-10T16:49Z
TLE epoch observation values (Epoch: 2025-12-10T16:49:45.490Z)
Latitude
0.00002°
Longitude
124.5675°
Altitude
448.205 km
Speed
7.644 km/s
True Right ascension
06h 26m 41s
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
13:28:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
448.135 km
Perigee altitude
446.696 km
Semi-major axis
6,825.553 km
Eccentricity
0.00011
Inclination
53.1609°
RAAN
96.6748°
Arg. of periapsis
101.6077°
True anomaly
258.49286°
Mean anomaly
258.5047°
Eccentric anomaly
258.49878°
Mean motion
3.8489 °/min
Orbital period
93.53 mins
BSTAR
0.0021857
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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-35576 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 | 2025-12-11 16:41:57.038Z | 332.277° NNW | 2025-12-11 16:43:57.038Z | 57.351° ENE | 36.352° | 2025-12-11 16:46:57.038Z | 112.386° ESE |
| 4 mins | 2025-12-12 09:30:57.038Z | 189.18° SSW | 2025-12-12 09:32:57.038Z | 112.346° ESE | 32.321° | 2025-12-12 09:34:57.038Z | 68.583° E |
| 4 mins | 2025-12-12 11:07:57.038Z | 285.335° WNW | 2025-12-12 11:09:57.038Z | 333.595° NNW | 23.23° | 2025-12-12 11:11:57.038Z | 19.543° NNE |
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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