C/2025 T1 ( ATLAS )

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Updated on March 23, 2026

Profile Discovery Date October 11, 2025 Magnitude 17.5 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2025 Dec. 2.37429 TT Pike q 1.1088273 (2000.0) P Q z +0.0001113 Peri. 114.13981 +0.63538232 +0.56075484 +/-0.0000192 Node 140.49471 -0.18571151 -0.55635981 e 0.9998765 Incl. 123.43252 +0.74953355 -0.61320288 From 749 observations 2025 Oct. 11-2026 Jan. 15, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 8.0 + 5 log d + 20.0 log r(t - 7)

The orbital elements are published on M.P.E.C. 2026-E44. The charts are made with StellaNavigator Ver.11 (AstroArts). The magnitudes graphs are made with Comet for Windows.