C/2025 Q3 ( ATLAS )

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Updated on July 12, 2026

Profile Discovery Date August 20, 2025 Magnitude 19.5 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2026 June 9.0 TT = JDT 2461200.5 T 2026 Feb. 25.64884 TT Pike q 2.1125473 (2000.0) P Q z +0.0012839 Peri. 218.45948 +0.47128711 -0.37102772 +/-0.0000022 Node 233.14404 +0.82114386 -0.14651138 e 0.9972878 Incl. 90.18544 -0.32188696 -0.91699119 From 1439 observations 2025 Aug. 20-2026 June 13, mean residual 0".4.

Finding Charts

Magnitudes Graph m1 = 5.0 + 5 log d + 25.0 log r

The orbital elements are published on M.P.E.C. 2026-M30. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.