C/2021 C4 ( ATLAS )

Japanese version
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Updated on April 24, 2022

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* Profile

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

* Pictures

* Orbital Elements

Epoch 2021 Jan. 26.0 TT = JDT 2459240.5
T 2021 Jan. 17.00605 TT                                 Rudenko
q   4.5041478            (2000.0)            P               Q
z  +0.0002326      Peri.  320.22648     -0.63755162     -0.74888104
 +/-0.0000044      Node   194.27834     -0.37409237     +0.09572190
e   0.9989523      Incl.  132.83972     -0.67348559     +0.65575492
From 196 observations 2021 Feb. 12-2022 Jan. 1, mean residual 0".6.

* 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. 2022-A21.
The magnitudes graphs are made with Comet for Windows.

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