C/2021 A7 ( NEOWISE )

Japanese version
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Updated on February 20, 2021

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* Profile

Discovery Date January 9, 2021
Magnitude 20 mag
Discoverer Near-Earth Object Wide-field Infrared Survey Explorer

* Pictures

* Orbital Elements

Epoch 2021 July 5.0 TT = JDT 2459400.5
T 2021 July 15.49711 TT                                 Rudenko
q   1.9685486            (2000.0)            P               Q
z  +0.0013172      Peri.  356.06585     -0.89468299     -0.15007218
 +/-0.0026995      Node   154.53807     +0.43189335     -0.53111498
e   0.9974070      Incl.   78.14292     +0.11406354     +0.83390361
From 67 observations 2021 Jan. 9-20, mean residual 0".6.

* Finding Charts

* Magnitudes Graph

        m1 = 10.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-B143.
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.