C/2020 R4 ( ATLAS )

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Updated on August 1, 2021

Profile Discovery Date September 12, 2020 Magnitude 19.7 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2021 July 5.0 TT = JDT 2459400.5 T 2021 Mar. 1.93868 TT Rudenko q 1.0286466 (2000.0) P Q z +0.0102585 Peri. 46.71401 +0.13014397 -0.97847114 +/-0.0000007 Node 323.27365 -0.96947546 -0.15944005 e 0.9894477 Incl. 164.46316 -0.20779768 +0.13104619 From 2296 observations 2020 Aug. 29-2021 June 28, mean residual 0".9.

Finding Charts

Magnitudes Graph m1 = 13.0 + 5 log d + 10.0 log r [ ,-85] ( - 2020 Dec. 6) m1 = 8.5 + 5 log d + 15.0 log r [-85, ] (2020 Dec. 6 - )

The orbital elements are published on M.P.E.C. 2021-O56. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.