C/2021 C4 ( ATLAS )

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Updated on April 4, 2021

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* Profile

Discovery Date February 12, 2021
Magnitude 18.7 mag
Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program

* Orbital Elements

Epoch 2021 Jan. 26.0 TT = JDT 2459240.5
T 2021 Jan. 18.32672 TT                                 Rudenko
q   4.5066277            (2000.0)            P               Q
z  -0.0004758      Peri.  320.40162     -0.63998376     -0.74687549
 +/-0.0003925      Node   194.26008     -0.37385817     +0.09738234
e   1.0021440      Incl.  132.86382     -0.67130533     +0.65779456
From 76 observations 2021 Feb. 12-Mar. 22, mean residual 0".4.

* Magnitudes Graph

        m1 = 8.5 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2021-F115.
The magnitudes graphs are made with Comet for Windows.

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