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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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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-35129
1 66077U 25235V 26171.41668980 .00014940 00000-0 46481-3 0 9996
2 66077 53.1580 128.1333 0001278 92.8197 105.2019 15.33540042 5892Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-14.5058°
Longitude
-99.39189°
Altitude
469.386 km
Speed
7.632 km/s
True Right ascension
21h 16m 59s
True Declination
-14° 25' 09"
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
07:18:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
466.392 km
Perigee altitude
464.643 km
Semi-major axis
6,843.655 km
Eccentricity
0.00013
Inclination
53.158°
RAAN
128.1333°
Arg. of periapsis
92.8197°
True anomaly
105.21603°
Mean anomaly
105.2019°
Eccentric anomaly
105.20897°
Mean motion
3.83364 °/min
Orbital period
93.91 mins
BSTAR
0.00046481
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-20 23:22:59.812Z | 199.331° SSW | 2026-06-20 23:25:59.812Z | 117.573° SE | 31.996° | 2026-06-20 23:28:59.812Z | 63.777° ENE |
| 4 mins | 2026-06-21 01:01:59.812Z | 293.04° NW | 2026-06-21 01:02:59.812Z | 318.182° NNW | 24.151° | 2026-06-21 01:05:59.812Z | 26.221° NE |
| 5 mins | 2026-06-21 05:57:59.812Z | 341.455° N | 2026-06-21 05:59:59.812Z | 47.171° ENE | 30.18° | 2026-06-21 06:02:59.812Z | 101.603° ESE |
| 4 mins | 2026-06-21 07:35:59.812Z | 261.847° W | 2026-06-21 07:36:59.812Z | 235.799° WSW | 23.672° | 2026-06-21 07:39:59.812Z | 173.432° S |
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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