STARLINK-1646, 46351
Orbit data source: Space-Track
STARLINK-1646, 46351 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 03 Sep 2020 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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46351 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 STARLINK-1646
1 46351U 20062AC 26138.19558463 .00064952 00000-0 47951-3 0 9995
2 46351 53.0418 354.4854 0003107 229.9738 130.1007 15.72399611315786Epoch: 2026-05-18T04:41Z
TLE epoch observation values (Epoch: 2026-05-18T04:41:38.512Z)
Latitude
-0.00001°
Longitude
48.1876°
Altitude
354.292 km
Speed
7.697 km/s
True Right ascension
23h 37m 56s
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
18:03:26
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
354.413 km
Perigee altitude
350.23 km
Semi-major axis
6,730.459 km
Eccentricity
0.00031
Inclination
53.0418°
RAAN
354.4854°
Arg. of periapsis
229.9738°
True anomaly
130.12793°
Mean anomaly
130.1007°
Eccentric anomaly
130.11431°
Mean motion
3.93076 °/min
Orbital period
91.59 mins
BSTAR
0.00047951
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Other satellites on launch #62 in the year 2020 (2020-09-03 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-1646 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-05-18 17:04:36.515Z | 218.949° SW | 2026-05-18 17:06:36.515Z | 182.995° SSW | 40.003° | 2026-05-18 17:09:36.515Z | 55.988° ENE |
| 4 mins | 2026-05-18 23:29:36.515Z | 338.115° N | 2026-05-18 23:30:36.515Z | 13.431° NNE | 32.013° | 2026-05-18 23:33:36.515Z | 107.313° ESE |
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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