C/2021 D1 ( SWAN )

Japanese version
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Updated on May 4, 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. 27.60842 TT                                 Rudenko
q   0.9018022            (2000.0)            P               Q
z  +0.0103252      Peri.   72.22225     +0.81189682     -0.43237528
 +/-0.0001185      Node   311.27100     +0.08333847     +0.75087909
e   0.9906887      Incl.   31.46070     +0.57782199     +0.49923162
From 246 observations 2021 Feb. 28-Apr. 22, mean residual 0".9.

* Finding Charts

* Magnitudes Graph

        m1 = 10.5 + 5 log d + 10.0 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.