C/2025 V1 ( Borisov )

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Updated on December 22, 2025

Profile Discovery Date November 2, 2025 Magnitude 12.0 mag Discoverer Gennadii Vladimirovich Borisov (Nauchnij, Crimea) Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Nov. 16.54188 TT Pike q 0.4626686 (2000.0) P Q z -0.0171245 Peri. 47.56742 +0.26268114 +0.28452278 +/-0.0026620 Node 91.87743 +0.35645045 -0.91655655 e 1.0079230 Incl. 112.70948 +0.89662796 +0.28101759 From 114 observations 2025 Oct. 29-Nov. 8, mean residual 0".9.

Finding Charts

Magnitudes Graph m1 = 18.5 + 5 log d + 20 log r(t + 13) * Gray curve is: m1 = 14.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-X35. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.