C/2021 A9 ( PanSTARRS )

Japanese version
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Updated on June 1, 2021

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* Profile

Discovery Date January 12, 2021
Magnitude 21.4 mag
Discoverer Pan-STARRS 1 telescope (Haleakala)

* Pictures

* Orbital Elements

Epoch 2023 Dec. 2.0 TT = JDT 2460280.5
T 2023 Dec. 1.95813 TT                                  Rudenko
q   7.7594765            (2000.0)            P               Q
z  -0.0001755      Peri.  211.47870     -0.25792260     +0.92897586
 +/-0.0000335      Node   314.83434     +0.94586535     +0.29881481
e   1.0013622      Incl.  158.01493     +0.19701438     -0.21843433
From 78 observations 2020 Dec. 12-2021 May 6, mean residual 0".4.

* Magnitudes Graph

        m1 = 5.5 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-L04.
The magnitudes graphs are made with Comet for Windows.

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