C/2026 H2 ( Leonard )

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Updated on July 12, 2026

Profile Discovery Date April 16, 2026 Magnitude 19.6 mag Discoverer Gregory J. Leonard (Mt. Lemmon Survey) Pictures

Orbital Elements Epoch 2026 June 9.0 TT = JDT 2461200.5 T 2026 Mar. 17.28550 TT Pike q 4.5464106 (2000.0) P Q z -0.0004226 Peri. 111.54468 -0.29000988 -0.95574351 +/-0.0000581 Node 5.45782 -0.95002261 +0.28126048 e 1.0019211 Incl. 148.65029 +0.11554787 -0.08629538 From 369 observations 2026 Apr. 15-July 2, mean residual 0".5.

Magnitudes Graph m1 = 9.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2026-N12. The magnitudes graphs are made with Comet for Windows.