C/2017 A3 ( Elenin )

Japanese version Home page

Updated on May 24, 2020

Profile Discovery Date January 5, 2017 Magnitude 17.6 mag Discoverer L. Elenin (ISON-SSO Observatory at Siding Spring) Pictures

Orbital Elements Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 T 2017 Jan. 30.60833 TT Rudenko q 3.8545342 (2000.0) P Q z +0.0230753 Peri. 304.10802 -0.19845177 -0.03167642 +/-0.0000000 Node 97.90380 +0.81986672 +0.54230901 e 0.9110557 Incl. 98.50857 -0.53706187 +0.83958177 From 187 observations 2017 Jan. 5-Dec. 1, mean residual 0".6.

Magnitudes Graph m1 = 6.0 + 5 log d + 15.0 log r

The orbital elements are published on M.P.E.C. 2020-K117. The magnitudes graphs are made with Comet for Windows.