C/2025 R2 ( SWAN )

Japanese version
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 Updated on October 17, 2025

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* Profile

Discovery Date September 10, 2025
Magnitude 8.5 mag
Discoverer Vladimir Bezugly (Dnipro, Ukraine)

* Pictures

* Orbital Elements

Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 12.83134 TT                                Pike
q   0.5040665            (2000.0)            P               Q
z  +0.0130538      Peri.  308.32284     +0.23727568     +0.97089729
 +/-0.0008433      Node   335.34417     -0.86517062     +0.19596762
e   0.9934200      Incl.    4.47345     -0.44179187     +0.13767768
From 206 observations 2025 Aug. 13-Oct. 2, mean residual 0".5.

* Finding Charts

* Magnitudes Graph

        m1 = 10.0 + 5 log d + 10.0 log r(t - 9)

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The orbital elements are published on M.P.E.C. 2025-T80.
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.