STARLINK-35985, 66815
Orbit data source: Space-Track
STARLINK-35985, 66815 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 01 Dec 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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66815 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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-35985
1 66815U 25278AA 26171.24308050 .00013314 00000-0 49208-3 0 9997
2 66815 42.9981 255.1650 0001188 244.7808 115.2920 15.27606768 32100Epoch: 2026-06-20T05:50Z
TLE epoch observation values (Epoch: 2026-06-20T05:50:02.155Z)
Latitude
-0.00004°
Longitude
-100.80453°
Altitude
483.092 km
Speed
7.625 km/s
True Right ascension
17h 00m 39s
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
07:15:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.73 km
Perigee altitude
484.099 km
Semi-major axis
6,863.051 km
Eccentricity
0.00012
Inclination
42.9981°
RAAN
255.165°
Arg. of periapsis
244.7808°
True anomaly
115.30431°
Mean anomaly
115.292°
Eccentric anomaly
115.29815°
Mean motion
3.8174 °/min
Orbital period
94.31 mins
BSTAR
0.00049208
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Other satellites on launch #278 in the year 2025 (2025-12-01 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-35985 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 | 2026-06-21 08:43:04.268Z | 215.652° SW | 2026-06-21 08:46:04.268Z | 144.861° SSE | 31.566° | 2026-06-21 08:49:04.268Z | 84.032° E |
| 6 mins | 2026-06-21 10:22:04.268Z | 266.755° W | 2026-06-21 10:25:04.268Z | 19.005° NNE | 41.729° | 2026-06-21 10:28:04.268Z | 69.866° E |
| 5 mins | 2026-06-21 12:02:04.268Z | 297.53° NW | 2026-06-21 12:04:04.268Z | 11.52° NNE | 38.859° | 2026-06-21 12:07:04.268Z | 81.665° E |
| 5 mins | 2026-06-21 13:41:04.268Z | 279.754° WNW | 2026-06-21 13:43:04.268Z | 197.589° SSW | 42.81° | 2026-06-21 13:46:04.268Z | 121.466° 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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