C/2021 S4 ( Tsuchinshan )

Japanese version
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Updated on December 1, 2023

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* Profile

Discovery Date September 29, 2021
Magnitude 20.5 mag
Discoverer Hai-bin Zhao (XuYi station, Purple Mountain Observatory)

* Pictures

* Orbital Elements

Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 2.19039 TT                                  Rudenko
q   6.6894393            (2000.0)            P               Q
z  +0.0060713      Peri.   72.85649     +0.20617832     -0.97809207
 +/-0.0000028      Node     5.49218     +0.74411418     +0.13764303
e   0.9593862      Incl.   17.47915     +0.63544046     +0.15617395
>From 405 observations 2021 Sept. 8-2023 Aug. 26, mean residual 0".4.

* Magnitudes Graph

        m1 = -7.8 + 5 log d + 25.0 log r

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The orbital elements are published on M.P.E.C. 2023-Q150.
The magnitudes graphs are made with Comet for Windows.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.