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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-1646
1 46351U 20062AC 25260.73026716 -.00000269 00000-0 84494-6 0 9999
2 46351 53.0548 53.0609 0001214 93.9142 266.1985 15.06400342278532Epoch: 2025-09-17T17:31Z
TLE epoch observation values (Epoch: 2025-09-17T17:31:35.082Z)
Latitude
-0.00009°
Longitude
153.26263°
Altitude
548.146 km
Speed
7.589 km/s
True Right ascension
03h 32m 14s
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
17:15:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.322 km
Perigee altitude
546.64 km
Semi-major axis
6,925.618 km
Eccentricity
0.00012
Inclination
53.0548°
RAAN
53.0609°
Arg. of periapsis
93.9142°
True anomaly
266.18462°
Mean anomaly
266.1985°
Eccentric anomaly
266.19156°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
8.4494e-7
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-09-19 12:42:57.124Z | 233.136° WSW | 2025-09-19 12:44:57.124Z | 246.324° WSW | 42.801° | 2025-09-19 12:48:57.124Z | 48.705° ENE |
| 4 mins | 2025-09-19 14:23:57.124Z | 310.11° NW | 2025-09-19 14:25:57.124Z | 349.414° N | 18.808° | 2025-09-19 14:27:57.124Z | 22.031° NNE |
| 5 mins | 2025-09-19 17:44:57.124Z | 343.051° N | 2025-09-19 17:46:57.124Z | 20.176° NNE | 20.293° | 2025-09-19 17:49:57.124Z | 71.15° E |
| 7 mins | 2025-09-19 19:23:57.124Z | 308.527° NW | 2025-09-19 19:26:57.124Z | 245.201° WSW | 44.893° | 2025-09-19 19:30:57.124Z | 132.868° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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