STARLINK-35994, 66818
Orbit data source: Space-Track
STARLINK-35994, 66818 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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66818 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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-35994
1 66818U 25278AD 26171.30717176 .00010095 00000-0 37580-3 0 9993
2 66818 42.9969 254.7908 0001403 233.8487 126.2235 15.27585045 30903Epoch: 2026-06-20T07:22Z
TLE epoch observation values (Epoch: 2026-06-20T07:22:19.640Z)
Latitude
0.00001°
Longitude
-124.3147°
Altitude
483.378 km
Speed
7.625 km/s
True Right ascension
16h 59m 09s
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
07:14:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.943 km
Perigee altitude
484.017 km
Semi-major axis
6,863.117 km
Eccentricity
0.00014
Inclination
42.9969°
RAAN
254.7908°
Arg. of periapsis
233.8487°
True anomaly
126.23647°
Mean anomaly
126.2235°
Eccentric anomaly
126.22998°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
0.0003758
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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-35994 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 08:41:21.435Z | 212.899° SW | 2026-06-21 08:44:21.435Z | 136.557° SSE | 30.507° | 2026-06-21 08:47:21.435Z | 83.157° E |
| 6 mins | 2026-06-21 10:20:21.435Z | 266.82° W | 2026-06-21 10:22:21.435Z | 299.371° NW | 40.444° | 2026-06-21 10:26:21.435Z | 70.412° E |
| 5 mins | 2026-06-21 12:00:21.435Z | 299.968° NW | 2026-06-21 12:02:21.435Z | 25.476° NE | 38.123° | 2026-06-21 12:05:21.435Z | 82.136° E |
| 5 mins | 2026-06-21 13:39:21.435Z | 279.163° WNW | 2026-06-21 13:41:21.435Z | 171.643° S | 42.538° | 2026-06-21 13:44:21.435Z | 120.042° 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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