C/2026 H2 (Leonard) _ CK26H020 _ CEJK452 object ..

[Gremlin]

C/2026 H2 (Leonard) _ CK26H020 _ CEJK452 object (May 6.80 UT) = P12n4EZ object (May 11.65 UT) = A11CnkW object (May 14.30 UT), MPEC 2026-J15, CBET 5687
Ø кометного ядра 8071 м

C2026 H2 (Leonard) _ CK26H020 _ CEJK452 object (May 6.80 UT) _ MPEC 2026-J15, CBET 5687 _ 2026 mag _ 09 05 2026 _ 1.gif

C2026 H2 (Leonard) _ CK26H020 _ CEJK452 object (May 6.80 UT) _ MPEC 2026-J15, CBET 5686 _ 20 00 UTC + 3 мск _ 06 05 2026 _ 1.gif

C2026 H2 (Leonard) _ CK26H020 _ CEJK452 object (May 6.80 UT) _ MPEC 2026-J15, CBET 5686 _ 06 05 2026 _ 3.png

C2026 H2 (Leonard) _ CK26H020 _ CEJK452 object (May 6.80 UT) _ MPEC 2026-J15, CBET 5686 _ 06 05 2026 _ 4.png

C2026 H2 (Leonard) _ CK26H020 _ CEJK452 object (May 6.80 UT) _ MPEC 2026-J15, CBET 5686 _ 06 05 2026 _ 5.png

C2026 H2 (Leonard) _ CK26H020 _ CEJK452 object (May 6.80 UT) _ MPEC 2026-J15, CBET 5686 _ 07 05 2026 _ 1.png

C/2026 H2 (Leonard) / CK26H020 (e=1.006, i=148.7°, q=4.548 AU, TP=2026 Mar. 18.44 TT) was picked up at 1054 UT on 16 April by E.J. Christensen via the Mt. Lemmon Survey (MLS), which observed it at April 16.45-47p4 and 27.41-43p4. This detection was confirmed by J.O. Castaneda Jaimes via the Zwicky Transient Facility (ZTF) (April 15.42p1 & 15.46-49p2), Villuercas-Navezuelas Obs. (April 17.04-09p3), 29PREMOTE Obs. (April 17.06-15p5, 18.05-15p5, 20.05-14p6 & 21.05-14p6), Jurassien-Vicques Obs. (April 17.12-15p3), E.J. Christensen via Steward Obs. Mt. Lemmon Station (April 17.27-28p2, 17.37-38p2, 18.30-31p4, 20.41-42p4 & 25.36-38p4), Tree Gate Farm Obs. (April 17.37-41p3), Cewanee Obs. at DSNM (April 17.41-44p3, 18.36-46p6, 20.40-45p4, 23.34p1 & 23.40-44p3), Shasta Valley Obs. (April 17.48-49p2 & 24.48-50p2), AZM Martinsberg (April 17.94-01p5), Nomad Obs. (April 18.02-03p2), ROASTERR-1 (April 18.08p2), Comet Hunter Obs. (April 18.19-20p2), Hidetaka Sato via iTelescope Obs. Siding Spring (April 18.74-75p2), Visnjan Obs. (April 18.98p2), Frasso Sabino Obs. (April 19.07-10p3), Santa Maria de Montmagastrell Obs. (April 20.01-02p3), St. Pardon de Conques Obs. (April 20.02-04p3), SADR Obs. (April 20.38-41p4), Haute Provence Obs. (April 20.99-00p6, 21.00-01p6 & 23.94-96p5), Brixiis Obs. (April 22.02-06p3 & 23.03-05p3), Muensterschwarzach Obs. (April 22.10-12p2 & 24.08-10p3), G. Colombo via USA1/HCRO (April 22.32-35p3), M. Tichy & team via KLENOT (April 22.99p5), Dave Balam via Dominion Astrophysical Obs. (DomAO) (April 23.41-43p6 & 24.43-45p5), Maisoncelles Obs. (April 24.00-08p5), A. Aletti via Schiaparelli Obs. (April 24.03-05p2), Sormano2 Obs. (April 24.05-11p3), Buchloe Obs. (April 24.07-08p3), R. Weryk via Canada-France-Hawaii Telescope (April 24.58-59p3), program code 0 via de Vinci Telescope (April 24.92-96p2 & 25.00-07p3), Farra d'Isonzo Obs. (April 25.01p3), Starhopper Obs. (April 25.05-07p3), Sormano Obs. (April 25.85-88p3), Eschenberg Obs. (April 25.92-94p11 & 26.88-89p5), Nastro Verde Obs. (April 25.96-97p2), Tivoli Obs. (April 26.97-98p3), SONEAR Wykrota-CEAMIG (April 27.08-10p2), iTelescope Obs. Siding Spring (April 28.77-79p3), Olmen Obs. (April 28.98-00p3), Monte Viseggi Obs. (May 2.89p2), PS Obs. (May 5.86-88p3), M. Camarasa Yuste via Camarasa Obs. (May 5.89-91p2), and Fukuchiyama & Kannabe Obs. (May 6.68p3).

Orbital elements:
C/2026 H2 (Leonard)
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 18.44261 TT Pike
q 4.5481850 (2000.0) P Q
z -0.0013424 Peri. 111.68303 -0.29270132 -0.95493568
+/-0.0009673 Node 5.43083 -0.94922603 +0.28397121
e 1.0061057 Incl. 148.65567 +0.11530773 -0.08636085
From 223 observations 2026 Apr. 15-May 6, mean residual 0".4.

Ephemeris:
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2026 04 06 17 27 35.2 +08 38 17 4.0911 4.5507 111.3 11.8 19.7
...
2026 04 21 17 09 54.0 +10 16 51 3.8858 4.5563 126.6 10.2 19.6
...
2026 04 29 16 58 25.6 +11 04 28 3.8026 4.5606 134.1 9.1 19.6
...
2026 05 05 16 49 01.4 +11 36 00 3.7551 4.5645 139.0 8.3 19.6
2026 05 06 16 47 23.9 +11 40 50 3.7486 4.5651 139.8 8.2 19.6
2026 05 07 16 45 45.6 +11 45 31 3.7424 4.5658 140.5 8.1 19.6
...
2026 05 13 16 35 38.7 +12 10 35 3.7138 4.5704 144.0 7.5 19.5
...
2026 05 21 16 21 38.5 +12 34 42 3.6997 4.5772 146.4 7.0 19.5
...
2026 06 05 15 55 15.0 +12 47 32 3.7483 4.5923 142.2 7.8 19.6



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