C/2025 Q3 ( ATLAS )

Japanese version
Home page
 Updated on September 4, 2026

---------------------------------------------------------------------

* Profile

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

* Pictures

* Orbital Elements

Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Feb. 25.64890 TT                                 Alexandersen
q   2.1125468            (2000.0)            P               Q
z  +0.0012855      Peri.  218.45950     +0.47128670     -0.37102824
 +/-0.0000016      Node   233.14405     +0.82114405     -0.14651132
e   0.9972843      Incl.   90.18540     -0.32188710     -0.91699099
From 1443 observations 2025 Aug. 20-2026 July 25, mean residual 0".4.

* Finding Charts

* Magnitudes Graph

        m1 = 5.0 + 5 log d + 25.0 log r

---------------------------------------------------------------------

The orbital elements are published on M.P.E.C. 2026-O98.
The charts are made with StellaNavigator Ver.11 (AstroArts).
The magnitudes graphs are made with Comet for Windows.

---------------------------------------------------------------------

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