C/2021 A9 ( PanSTARRS )

Japanese version
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Updated on April 24, 2022

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* Profile

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

* Pictures

* Orbital Elements

Epoch 2022 Jan. 21.0 TT = JDT 2459600.5
T 2023 Dec. 1.38249 TT                                  Rudenko
q   7.7596402            (2000.0)            P               Q
z  -0.0004985      Peri.  211.46036     -0.25833357     +0.92890980
 +/-0.0000074      Node   314.84287     +0.94572139     +0.29922318
e   1.0038679      Incl.  158.02619     +0.19716698     -0.21815609
From 109 observations 2020 Dec. 12-2022 Feb. 2, mean residual 0".4.

* Magnitudes Graph

        m1 = -2.5 + 5 log d + 18.0 log r

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The orbital elements are published on M.P.E.C. 2022-C56.
The magnitudes graphs are made with Comet for Windows.

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