C/2021 G2 ( ATLAS )

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Updated on March 23, 2026

Profile Discovery Date April 11, 2021 Magnitude 19.3 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2025 Nov. 21.0 TT = JDT 2461000.5 T 2024 Sept. 9.13284 TT Pike q 4.9821151 (2000.0) P Q z -0.0001855 Peri. 343.26491 -0.84723592 +0.20036754 +/-0.0000003 Node 221.09183 -0.35972700 -0.89787389 e 1.0009244 Incl. 48.46256 -0.39088077 +0.39201444 From 7523 observations 2021 Sept. 29-2026 Mar. 20, mean residual 0".3.

Finding Charts

Magnitudes Graph m1 = 3.0 + 5 log d + 10.0 log r(t - 100)

The orbital elements are published on M.P.E.C. 2026-F123. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.