C/2021 D1 ( SWAN )

Japanese version
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Updated on June 14, 2021

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* Profile

Discovery Date February 19, 2021
Magnitude 12 mag
Discoverer Michael Mattiazzo (Solar Wind Anisotropies (SWAN) camera on the Solar and Heliospheric Observatory (SOHO) spacecraft)

* Pictures

* Orbital Elements

Epoch 2021 Mar. 7.0 TT = JDT 2459280.5
T 2021 Feb. 27.60833 TT                                 Rudenko
q   0.9017928            (2000.0)            P               Q
z  +0.0103893      Peri.   72.22219     +0.81189512     -0.43237836
 +/-0.0000655      Node   311.27124     +0.08333919     +0.75087702
e   0.9906310      Incl.   31.46084     +0.57782427     +0.49923206
From 349 observations 2021 Feb. 28-May 11, mean residual 0".9.

* Finding Charts

* Magnitudes Graph

        m1 = 10.5 + 5 log d + 15.0 log r

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The orbital elements are published on M.P.E.C. 2021-L04.
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.