389P/Siding Spring (2019)

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Updated on June 14, 2021

Profile Designation 389P/2019 S1 Recovery Date September 25, 2019 Magnitude 20.5 mag Recoverer G. V. Williams and by R. Weryk (Pan-STARRS 1 telescope, Haleakala) Pictures

Orbital Elements Epoch 2019 Dec. 23.0 TT = JDT 2458840.5 T 2019 Dec. 29.28013 TT Williams q 1.6633322 (2000.0) P Q n 0.07382747 Peri. 249.29562 +0.82686278 -0.52018866 a 5.6276110 Node 218.83750 -0.29819482 -0.72779451 e 0.7044337 Incl. 160.06862 -0.47684148 -0.44689922 P 13.4 From 81 observations 2006 Sept. 1-2019 Nov. 15, mean residual 0".5.

Magnitudes Graph m1 = 16.0 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2019-X94. The magnitudes graphs are made with Comet for Windows.