C/2025 K1 ( ATLAS )

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Updated on September 7, 2025

Profile Discovery Date May 24, 2025 Magnitude 18.6 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2025 Oct. 8.43790 TT Pike q 0.3341798 (2000.0) P Q z -0.0008573 Peri. 271.02464 -0.84166203 -0.11646575 +/-0.0000162 Node 97.55617 +0.12566656 +0.90741292 e 1.0002865 Incl. 147.86509 -0.52517896 +0.40377905 From 1245 observations 2025 Apr. 8-Aug. 7, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 11.7 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-P113. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.