C/2025 Q3 ( ATLAS )

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Updated on March 31, 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 2025 Nov. 21.0 TT = JDT 2461000.5 T 2026 Feb. 25.63614 TT Pike q 2.1125496 (2000.0) P Q z +0.0012652 Peri. 218.45327 +0.47134248 -0.37095776 +/-0.0000031 Node 233.14404 +0.82114928 -0.14643542 e 0.9973272 Incl. 90.18717 -0.32179205 -0.91703163 From 1384 observations 2025 Aug. 20-2026 Mar. 9, 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-E127. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.