C/2023 A3 ( Tsuchinshan-ATLAS )

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Updated on May 28, 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. 27.65753 TT Rudenko q 0.3911791 (2000.0) P Q z -0.0004767 Peri. 308.49031 +0.36140974 +0.90086230 +/-0.0002837 Node 21.55707 +0.91855718 -0.29970767 e 1.0001865 Incl. 139.11878 -0.16011157 +0.31404209 >From 395 observations 2022 Apr. 9-2023 Mar. 20, 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-F81. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.