C/2025 R2 ( SWAN )

Japanese version
Home page
 Updated on April 29, 2026

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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. 12.84675 TT                                Pike
q   0.5040954            (2000.0)            P               Q
z  +0.0114343      Peri.  308.36226     +0.23760338     +0.97081643
 +/-0.0000072      Node   335.32407     -0.86511512     +0.19625281
e   0.9942360      Incl.    4.47297     -0.44172442     +0.13784157
From 2421 observations 2025 Aug. 13-2026 Feb. 26, mean residual 0".8.

* Finding Charts

* Magnitudes Graph

        m1 = 10.0 + 5 log d + 10.0 log r(t - 12)

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The orbital elements are published on M.P.E.C. 2026-G135.
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.