STARLINK-35139, 66380
Orbit data source: Space-Track
STARLINK-35139, 66380 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 08 Nov 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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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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-35139
1 66380U 25257A 26171.46178824 .00025585 00000-0 76513-3 0 9991
2 66380 53.1590 97.8699 0001377 89.0427 271.0734 15.34426816 35433Epoch: 2026-06-20T11:04Z
TLE epoch observation values (Epoch: 2026-06-20T11:04:58.503Z)
Latitude
0.00001°
Longitude
22.95007°
Altitude
463.507 km
Speed
7.636 km/s
True Right ascension
06h 31m 28s
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
07:18:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.823 km
Perigee altitude
461.939 km
Semi-major axis
6,841.018 km
Eccentricity
0.00014
Inclination
53.159°
RAAN
97.8699°
Arg. of periapsis
89.0427°
True anomaly
271.05762°
Mean anomaly
271.0734°
Eccentric anomaly
271.06551°
Mean motion
3.83585 °/min
Orbital period
93.85 mins
BSTAR
0.00076513
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Other satellites on launch #257 in the year 2025 (2025-11-08 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-35139 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 22:13:25.045Z | 241.743° WSW | 2026-06-20 22:16:25.045Z | 9.253° NNE | 39.966° | 2026-06-20 22:19:25.045Z | 45.208° ENE |
| 5 mins | 2026-06-21 04:47:25.045Z | 307.626° NW | 2026-06-21 04:49:25.045Z | 293.388° NW | 42.593° | 2026-06-21 04:52:25.045Z | 134.604° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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