STARLINK-35129, 66077
Orbit data source: Space-Track
STARLINK-35129, 66077 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 Eastern Test Range (AFETR). 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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66077 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 15 hours ago
TLE from 15 hours ago
0 STARLINK-35129
1 66077U 25235V 25306.50002315 -.00736117 00000-0 -53599-2 0 9995
2 66077 53.1517 120.1728 0001273 79.1704 160.1139 15.74679185 3414Epoch: 2025-11-02T12:00Z
TLE epoch observation values (Epoch: 2025-11-02T12:00:02.000Z)
Latitude
-43.67105°
Longitude
123.49977°
Altitude
361.019 km
Speed
7.692 km/s
True Right ascension
23h 02m 05s
True Declination
-43° 29' 21"
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
22:58:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
346.663 km
Perigee altitude
344.951 km
Semi-major axis
6,723.944 km
Eccentricity
0.00013
Inclination
53.1517°
RAAN
120.1728°
Arg. of periapsis
79.1704°
True anomaly
160.11886°
Mean anomaly
160.1139°
Eccentric anomaly
160.11638°
Mean motion
3.93647 °/min
Orbital period
91.45 mins
BSTAR
-0.0053599
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Other satellites on launch #235 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-35129 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-11-03 14:37:58.674Z | 252.622° W | 2025-11-03 14:38:58.674Z | 281.282° WNW | 35.934° | 2025-11-03 14:41:58.674Z | 40.814° NE |
| 4 mins | 2025-11-03 21:01:58.674Z | 312.512° NW | 2025-11-03 21:02:58.674Z | 318.799° NNW | 41.184° | 2025-11-03 21:05:58.674Z | 129.074° SE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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