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ATLAS

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C/2019 Y4-A (ATLAS)

Orbital elements

Semi-major axis
-128.034 AU
Eccentricity
1.002
Inclination
45.95°
Perihelion
0.25 AU
Longitude of ascending node
121.03°
Argument of periapsis
177.2°
Epoch · J2000
JD 2459000.54713 (perihelion)
Orbit class · HYP
Hyperbolic comet
Earth MOID · 247.1 LD
0.635 AU

Orbit quality

Observations used
468
Data arc
27 days
First observed
23 March 2020
Last observed
19 April 2020
Residual RMS
0.88 ″
Solution · Davide Farnocchia
25 July 2023

Visual & observation

Absolute magnitude (H)
14.3
Total magnitude M₁ · K₁ 4.5
14.3

Discovery & classification

Also known as 2019 Y4-A

Named

Sources