C/2025 Q3 ( ATLAS )

Japanese version
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 Updated on October 17, 2025

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* Profile

Discovery Date August 20, 2025
Magnitude 19.5 mag
Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program

* Orbital Elements

Epoch 2025 Nov. 21.0 TT = JDT 2461000.5                                         
T 2026 Feb. 25.63867 TT                                 Pike                    
q   2.1125749            (2000.0)            P               Q                  
z  +0.0013272      Peri.  218.45254     +0.47133179     -0.37096685             
 +/-0.0000636      Node   233.14423     +0.82116181     -0.14641446             
e   0.9971962      Incl.   90.18563     -0.32177574     -0.91703130             
From 414 observations 2025 Aug. 20-Oct. 15, mean residual 0".4.

* Finding Charts

* Magnitudes Graph

        m1 = 12.0 + 5 log d + 10.0 log r

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The orbital elements are published on M.P.E.C. 2025-T165.
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.