C/2023 A3 ( Tsuchinshan-ATLAS )

Japanese version
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Updated on March 12, 2023

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* Profile

Discovery Date January 9 and February 22, 2023
Magnitude 18.7 mag, 18.0 mag
Discoverer Purple Mountain Observatory's XuYi Station, Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program

* Pictures

* Orbital Elements

Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                                         
T 2024 Sept. 28.55963 TT                                Rudenko                 
q   0.3904059            (2000.0)            P               Q                  
z  +0.0006401      Peri.  308.59081     +0.36275685     +0.90020587             
 +/-0.0030246      Node    21.58224     +0.91805884     -0.30086181             
e   0.9997501      Incl.  139.08539     -0.15992321     +0.31481988             
>From 155 observations 2022 Dec. 22-2023 Feb. 28, mean residual 0".3.            

* Finding Charts

* Magnitudes Graph

        m1 = 5.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2023-D77.
The charts are made with StellaNavigator Ver.11 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

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