C/2023 A3 ( Tsuchinshan-ATLAS )

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Updated on October 3, 2024

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 2024 Oct. 17.0 TT = JDT 2460600.5 T 2024 Sept. 27.74098 TT Rudenko q 0.3914134 (2000.0) P Q z -0.0002396 Peri. 308.49328 +0.36145095 +0.90082802 +/-0.0000007 Node 21.55950 +0.91852620 -0.29969682 e 1.0000938 Incl. 139.11040 -0.16019624 +0.31415074 From 5300 observations 2022 Apr. 9-2024 Sept. 30, mean residual 0".7.

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,-247] (2023 Mar. 2 - 2024 Jan. 24) m1 = 6.0 + 5 log d + 7.5 log r [-247, 247] (2024 Jan. 24 - 2025 June 1) m1 = 4.5 + 5 log d + 10.0 log r [ 247, ] (2025 June 1 - )

The orbital elements are published on M.P.E.C. 2024-T42. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.