C/2019 Y4 ( ATLAS )

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Updated on January 22, 2020

Profile Discovery Date December 28, 2019 Magnitude 19.6 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2020 May 31.0 TT = JDT 2459000.5 T 2020 May 30.99149 TT Bell q 0.2522871 (2000.0) P Q z +0.0052736 Peri. 177.54315 +0.48067371 +0.62763038 +/-0.0005749 Node 120.47328 -0.81617007 +0.57558163 e 0.9986695 Incl. 45.27974 -0.32065433 -0.52420025 From 171 observations 2019 Dec. 28-2020 Jan. 9, mean residual 0".4.

Finding Charts

Magnitudes Graph m1 = 12.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2020-A112. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.