C/2023 A3 ( Tsuchinshan-ATLAS )

Japanese version Home page

Updated on March 12, 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. 28.55963 TT Rudenko q 0.3904059 (2000.0) P Q z +0.0006401 Peri. 308.59081 +0.36275685 +0.90020587 +/-0.0030246 Node 21.58224 +0.91805884 -0.30086181 e 0.9997501 Incl. 139.08539 -0.15992321 +0.31481988 >From 155 observations 2022 Dec. 22-2023 Feb. 28, mean residual 0".3.

Finding Charts

Magnitudes Graph m1 = 5.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2023-D77. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.