C/2025 L1 ( ATLAS )

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Updated on June 14, 2025

Profile Discovery Date June 6, 2025 Magnitude 18.2 mag Discoverer A. Fitzsimmons (Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program)

Orbital Elements Epoch 2025 May 5.0 TT = JDT 2460800.5 T 2026 Jan. 12.80576 TT Pike q 1.6794568 (2000.0) P Q z -0.0005390 Peri. 341.27076 -0.77353603 -0.46566298 +/-0.0003659 Node 208.10360 -0.39901348 -0.16914375 e 1.0009051 Incl. 114.13650 -0.49237206 +0.86864744 From 30 observations 2024 Oct. 1-2025 June 9, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 10.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2025-L56. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.