C/2021 A4 ( NEOWISE )

Japanese version
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Updated on May 4, 2021

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* Profile

Discovery Date January 3, 2021
Magnitude 20 mag
Discoverer Near-Earth Object Wide-field Infrared Survey Explorer

* Pictures

* Orbital Elements

Epoch 2021 Mar. 7.0 TT = JDT 2459280.5
T 2021 Mar. 20.03113 TT                                 Rudenko
q   1.1455110            (2000.0)            P               Q
z  +0.0231633      Peri.  204.65957     -0.42561579     +0.51813731
 +/-0.0000418      Node   307.08370     +0.90437956     +0.21565392
e   0.9734662      Incl.  111.57168     -0.03080288     -0.82766365
From 652 observations 2021 Jan. 3-Apr. 11, mean residual 0".6.

* Finding Charts

* Magnitudes Graph

        m1 = 10.0 + 5 log d + 40.0 log r

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The orbital elements are published on M.P.E.C. 2021-J28.
The charts are made with StellaNavigator Ver.10 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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