C/2021 A9 ( PanSTARRS )

Japanese version
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Updated on March 5, 2023

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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 Aug. 9.0 TT = JDT 2459800.5
T 2023 Dec. 1.36467 TT                                  Rudenko
q   7.7603193            (2000.0)            P               Q
z  -0.0004156      Peri.  211.45152     -0.25848970     +0.92885799
 +/-0.0000042      Node   314.84325     +0.94567677     +0.29937985
e   1.0032255      Incl.  158.02348     +0.19717639     -0.21816173
>From 161 observations 2020 Dec. 12-2022 Oct. 26, 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-U349.
The magnitudes graphs are made with Comet for Windows.

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