STARLINK-35989, 66819
Orbit data source: Space-Track
STARLINK-35989, 66819 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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66819 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: 14 hours ago
TLE from 14 hours ago
0 STARLINK-35989
1 66819U 25278AE 26171.25078012 .00011320 00000-0 42013-3 0 9996
2 66819 42.9981 255.2218 0001525 269.4278 90.6399 15.27589482 30898Epoch: 2026-06-20T06:01Z
TLE epoch observation values (Epoch: 2026-06-20T06:01:07.402Z)
Latitude
-0°
Longitude
-103.52714°
Altitude
482.808 km
Speed
7.626 km/s
True Right ascension
17h 00m 53s
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
07:15:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.013 km
Perigee altitude
483.92 km
Semi-major axis
6,863.103 km
Eccentricity
0.00015
Inclination
42.9981°
RAAN
255.2218°
Arg. of periapsis
269.4278°
True anomaly
90.65737°
Mean anomaly
90.6399°
Eccentric anomaly
90.64864°
Mean motion
3.81735 °/min
Orbital period
94.31 mins
BSTAR
0.00042013
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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-35989 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 08:54:21.276Z | 223.907° SW | 2026-06-21 08:57:21.276Z | 162.631° S | 35.079° | 2026-06-21 09:00:21.276Z | 83.528° E |
| 5 mins | 2026-06-21 10:34:21.276Z | 274.648° WNW | 2026-06-21 10:36:21.276Z | 339.784° N | 41.275° | 2026-06-21 10:39:21.276Z | 68.514° E |
| 5 mins | 2026-06-21 12:13:21.276Z | 294.439° NW | 2026-06-21 12:15:21.276Z | 343.916° N | 38.907° | 2026-06-21 12:18:21.276Z | 82.828° E |
| 5 mins | 2026-06-21 13:52:21.276Z | 278.115° WNW | 2026-06-21 13:54:21.276Z | 229.561° WSW | 39.518° | 2026-06-21 13:57:21.276Z | 129.017° 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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