C/2021 C4 ( ATLAS )

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Updated on April 19, 2021

Profile Discovery Date February 12, 2021 Magnitude 18.7 mag Discoverer Asteroid Terrestrial-Impact Last Alert System (ATLAS) search program Pictures

Orbital Elements Epoch 2021 Jan. 26.0 TT = JDT 2459240.5 T 2021 Jan. 18.32672 TT Rudenko q 4.5066277 (2000.0) P Q z -0.0004758 Peri. 320.40162 -0.63998376 -0.74687549 +/-0.0003925 Node 194.26008 -0.37385817 +0.09738234 e 1.0021440 Incl. 132.86382 -0.67130533 +0.65779456 From 76 observations 2021 Feb. 12-Mar. 22, mean residual 0".4.

Magnitudes Graph m1 = 8.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2021-F115. The magnitudes graphs are made with Comet for Windows.