C/2021 Y1 ( ATLAS )

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Updated on July 9, 2023

Profile Discovery Date December 26, 2021 Magnitude 18.9 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 T 2023 Apr. 30.70282 TT Rudenko q 2.0324060 (2000.0) P Q z -0.0004266 Peri. 245.81553 -0.00833496 -0.47100471 +/-0.0000009 Node 244.77015 +0.77294459 -0.56268882 e 1.0008670 Incl. 77.19034 -0.63441878 -0.67936430 >From 1880 observations 2021 Nov. 8-2023 June 16, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 10.5 + 5 log d + 5.0 log r

The orbital elements are published on M.P.E.C. 2023-N01. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.