C/2019 Y1 (ATLAS)

C/2019 Y1 (ATLAS) is a comet with a near-parabolic orbit discovered by the ATLAS survey on 16 December 2019. It passed perihelion on March 15, 2020 at 0.84 AU from the sun.[1]

C/2019 Y1
C2019 y1-orbit.png
Near parabolic orbit has its perihelion above the northern ecliptic
Discovery
Discovered byAsteroid Terrestrial-impact Last Alert System (ATLAS)
Orbital characteristics [[1] A]
Epoch15 March 2020
(JD 2458924.06)
Observation arc187 days
Number of
observations
993
Aphelion669.1457±3.3432 AU
Perihelion0.837824 AU
Semi-major axis240.03275±0.16841 AU
Eccentricity0.996510
Orbital period3718.90±3.914 yr
Inclination73.34814°
Node31.366322°
Argument of
periapsis
57.49823°
Earth MOID0.0829048 AU (12,402,380 km)
Jupiter MOID1.02611 AU
Comet total
magnitude
(M1)
11.9±1.0
Comet nuclear
magnitude (M2)
13.8±0.5
Last perihelion2020-Mar-15

ObservationsEdit

The comet passed close to Earth in early May 2020. It was visible in the northern hemisphere sky in the spring of 2020.

 
1 week motion across the sky

ReferencesEdit

External linksEdit