C/2021 S4 ( Tsuchinshan )

Japanese version
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Updated on November 15, 2021

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* Profile

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

* Orbital Elements

Epoch 2024 Jan. 11.0 TT = JDT 2460320.5
T 2024 Jan. 1.86468 TT                                  Rudenko
q   6.6912318            (2000.0)            P               Q
z  +0.0061518      Peri.   72.85008     +0.20656491     -0.97801378
 +/-0.0000000      Node     5.47481     +0.74418646     +0.13804304
e   0.9588371      Incl.   17.46584     +0.63523023     +0.15631114
From 42 observations 2021 Sept. 8-Oct. 13, mean residual 0".7.

* Magnitudes Graph

        m1 = 6.5 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-U109.
The magnitudes graphs are made with Comet for Windows.

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