C/2021 G2 ( ATLAS )

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Updated on September 4, 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 2026 June 9.0 TT = JDT 2461200.5 T 2024 Sept. 9.19502 TT Pike q 4.9820407 (2000.0) P Q z -0.0002420 Peri. 343.27182 -0.84729235 +0.20043693 +/-0.0000002 Node 221.08428 -0.35972428 -0.89788323 e 1.0012059 Incl. 48.45585 -0.39076095 +0.39195758 From 5036 observations 2021 Sept. 29-2026 Aug. 23, mean residual 0".4.

Finding Charts

Magnitudes Graph m1 = 1.5 + 5 log d + 12.0 log r(t - 50)

The orbital elements are published on M.P.E.C. 2026-Q97. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.