C/2023 A3 ( Tsuchinshan-ATLAS )

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Updated on December 1, 2023

Profile Discovery Date January 9 and February 22, 2023 Magnitude 18.7 mag, 18.0 mag Discoverer Purple Mountain Observatory's XuYi Station, Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 T 2024 Sept. 27.64819 TT Rudenko q 0.3911855 (2000.0) P Q z -0.0004850 Peri. 308.48975 +0.36139995 +0.90086557 +/-0.0000227 Node 21.55720 +0.91856006 -0.29969625 e 1.0001897 Incl. 139.11855 -0.16011716 +0.31404360 >From 1730 observations 2022 Apr. 9-2023 July 6, mean residual 0".3.

Finding Charts

Magnitudes Graph m1 = -17.0 + 5 log d + 35 log r [ ,-575] ( - 2023 Mar. 2) m1 = 4.5 + 5 log d + 10.0 log r [-575, ] (2023 Mar. 2 - )

The orbital elements are published on M.P.E.C. 2023-N16. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.