405P/Lemmon (2020)

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Updated on June 14, 2021

Profile Designation 405P/2020 U1 Recovery Date October 17, 22, 23 and 25, 2020 Magnitude 18.8 mag, 18.7 mag, 18.1 mag Recoverer E. Schwab (Egelsbach, Germany), D. D. Balam and C. E. Spratt (Plaskett telescope at Victoria, BC, Canada), T. Ikemura (Nagoya, Aichi-ken, Japan) and Hirohisa Sato (Sukagawa, Fukushima-ken, Japan), R. Weryk (Pan-STARRS1, Haleakala) Pictures

Orbital Elements Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 T 2020 Dec. 24.31969 TT Rudenko q 1.1219055 (2000.0) P Q n 0.14367824 Peri. 112.24843 -0.43077870 -0.90240858 a 3.6102897 Node 3.31384 +0.75646976 -0.36675696 e 0.6892478 Incl. 9.36483 +0.49212114 -0.22615944 P 6.86 From 1042 observations 2013 Oct. 4-2021 Apr. 20, mean residual 0".9.

Finding Charts

Magnitudes Graph m1 = 17.5 + 5 log d + 8.0 log r(t - 20)

The orbital elements are published on M.P.E.C. 2021-J28. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.