C/2020 H5 ( Robinson )

Japanese version
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Updated on February 21, 2021

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* Profile

Discovery Date April 22, 2020
Magnitude 19.1 mag
Discoverer James E. Robinson (Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program)

* Orbital Elements

Epoch 2020 Dec. 17.0 TT = JDT 2459200.5
T 2020 Dec. 11.81006 TT                                 Rudenko
q   9.3454290            (2000.0)            P               Q
z  +0.0002708      Peri.  326.39157     -0.81206419     -0.33251793
 +/-0.0000110      Node   210.64154     -0.03434135     -0.79312878
e   0.9974691      Incl.   70.21054     -0.58255679     +0.51027303
From 69 observations 2020 Apr. 22-2021 Jan. 17, mean residual 0".5.

* Magnitudes Graph

        m1 = 3.7 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-B143.
The magnitudes graphs are made with Comet for Windows.

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