C/2021 D2 ( ZTF )

Japanese version
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Updated on April 5, 2021

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* Profile

Discovery Date February 19, 2021
Magnitude 19.5 mag
Discoverer Zwicky Transient Facility

* Pictures

* Orbital Elements

Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                                         
T 2022 Feb. 4.18037 TT                                  Rudenko                 
q   2.9443625            (2000.0)            P               Q                  
z  +0.0000342      Peri.  125.09167     -0.26419696     -0.52748548             
 +/-0.0003120      Node   305.69634     +0.15171543     +0.80403361             
e   0.9998994      Incl.   83.84535     +0.95246123     -0.27438845             
From 44 observations 2021 Feb. 19-Mar. 21, mean residual 0".3.                  

* Finding Charts

* Magnitudes Graph

        m1 = 9.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-F67.
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.