391P/Kowalski (2018)

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Updated on June 14, 2021

Profile Designation 391P/2019 U2 Recovery Date October 22 and 25, 2019 Magnitude 20.3 mag, 21.5 mag Recoverer K. Hills (Tacanade Observatory, La Palma), Pan-STARRS 1 telescope (Haleakala)

Orbital Elements Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 T 2018 Mar. 14.82858 TT Rudenko q 4.1082291 (2000.0) P Q n 0.09767176 Peri. 186.15343 +0.64875109 +0.70013752 a 4.6697115 Node 124.74776 -0.68181673 +0.70881134 e 0.1202392 Incl. 21.28040 -0.33800586 -0.08598802 P 10.1 From 262 observations 2005 May 10-2021 Jan. 5, mean residual 0".8.

Magnitudes Graph m1 = 3.0 + 5 log d + 23.0 log r * Gray curve is: m1 = -6.5 + 5 log d + 35 log r(t + 600)

The orbital elements are published on M.P.E.C. 2021-F20. The magnitudes graphs are made with Comet for Windows.