C/2025 D6 ( ATLAS )

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Updated on December 22, 2025

Profile Discovery Date February 26, 2025 Magnitude 18.4 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2024 Dec. 11.35918 TT Pike q 2.5041516 (2000.0) P Q z +0.0008501 Peri. 285.40847 -0.61402197 -0.74227370 +/-0.0000117 Node 151.49054 -0.31083757 +0.53991343 e 0.9978712 Incl. 145.79184 -0.72550467 +0.39689197 From 144 observations 2025 Feb. 26-Oct. 23, mean residual 0".5.

Magnitudes Graph m1 = 12.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-U263. The magnitudes graphs are made with Comet for Windows.