C/2021 Q3 ( ATLAS )

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Updated on October 14, 2023

Profile Discovery Date August 26, 2021 Magnitude 19.0 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 T 2022 Jan. 26.10161 TT Rudenko q 5.2046308 (2000.0) P Q z +0.0132919 Peri. 114.09103 -0.09823461 -0.62906034 +/-0.0000023 Node 307.90588 +0.04957325 +0.77081712 e 0.9308207 Incl. 77.77350 +0.99392779 -0.10061838 >From 149 observations 2021 Aug. 19-2022 Oct. 25, mean residual 0".5.

Magnitudes Graph m1 = 7.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2022-U349. The magnitudes graphs are made with Comet for Windows.