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C/2023 A3 TSUCHINSHAN-ATLAS
DATA SHEET
comet

C/2023 A3 Tsuchinshan-ATLAS

Discovered 2023-01-09 · Purple Mountain Observatory / ATLAS survey

Potentially the brightest comet of the 21st century. Reached perihelion Oct 2024 at 0.39 AU, visible to naked eye. Set simulation to Oct 2024 to see its tail.

Mean Radius
7 km
Gravity
0.00 m/s²
Temperature
170 K (-103°C)
Orbital Period
67186000.0 d
Distance
3243.000 AU
Physical Properties
Mean Radius7 km
Mass8.0000 × 10^12 kg
Surface Gravity0.00 m/s²
Density0.500 g/cm³
Escape Velocity0.00 km/s
Mean Temperature170 K (-103°C)
Axial Tilt0.00°
Rotation Period10.00 h
AtmosphereYes
Ring SystemNone
Orbital Elements (J2000)
Semi-major Axis3243.000000 AU
Eccentricity0.999879
Inclination139.0710°
Orbital Period67186000.00 days
Asc. Node (Ω)21.55900°
Arg. Perihelion (ω)308.51200°
Mean Anomaly (M₀)-0.04900°
Perihelion0.391 AU
Aphelion6485.600 AU
3D ViewImage Gallery
Data Sources
Physical & orbital data: NASA/JPL Planetary Fact Sheets · Orbital elements: NASA JPL Horizons System (J2000 epoch)