C/2018 A4 ( PanSTARRS )

Japanese version
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Updated on October 14, 2023

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* Profile

Discovery Date January 12, 2018
Magnitude 20.6 mag
Discoverer Pan-STARRS 1 telescope (Haleakala)

* Pictures

* Orbital Elements

Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 18.80287 TT                                  MPCW
q   2.4025888            (2000.0)            P               Q
n   0.02291808     Peri.  356.13438     -0.06582040     -0.99634586
a  12.2748806      Node    97.63379     +0.91695887     -0.08190784
e   0.8042678      Incl.    3.14807     +0.39351506     +0.02420808
P  43.01
From 67 observations 2017 Oct. 23-2018 Mar. 28, mean residual 0".4.

* Magnitudes Graph

        m1 = 13.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2019-J142.
The magnitudes graphs are made with Comet for Windows.

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