C/2018 F4 ( PanSTARRS )

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Updated on January 20, 2022

Profile Discovery Date March 17, 2018 Magnitude 20.4 mag Discoverer Pan-STARRS 1 telescope (Haleakala) Pictures

Orbital Elements C/2018 F4 (PANSTARRS) Epoch 2019 Dec. 23.0 TT = JDT 2458840.5 T 2019 Dec. 4.08695 TT Rudenko q 3.4399510 (2000.0) P Q z -0.0004447 Peri. 263.20986 -0.01441314 +0.89948097 +/-0.0000008 Node 26.50749 +0.16996203 +0.43261541 e 1.0015297 Incl. 78.09943 -0.98534520 +0.06146460 From 375 observations 2018 Mar. 17-2021 Oct. 13, mean residual 0".7. C/2018 F4-A (PANSTARRS) Epoch 2019 Dec. 23.0 TT = JDT 2458840.5 T 2019 Dec. 4.07321 TT Rudenko q 3.4398115 (2000.0) P Q z -0.0004291 Peri. 263.20632 -0.01446441 +0.89947713 +/-0.0000038 Node 26.50793 +0.16993005 +0.43263167 e 1.0014759 Incl. 78.09910 -0.98534997 +0.06140632 From 112 observations 2020 Sept. 12-2021 Oct. 13, mean residual 0".5. C/2018 F4-B (PANSTARRS) Epoch 2019 Dec. 23.0 TT = JDT 2458840.5 T 2019 Dec. 4.00834 TT Rudenko q 3.4395954 (2000.0) P Q z -0.0004549 Peri. 263.19128 -0.01470898 +0.89947588 +/-0.0000048 Node 26.50748 +0.16982990 +0.43267125 e 1.0015647 Incl. 78.09996 -0.98536361 +0.06114508 From 108 observations 2020 Sept. 12-2021 Oct. 13, mean residual 0".7.

Finding Charts

Magnitudes Graph m1 = -9.0 + 5 log d + 30 log r [ ,-615] ( - 2018 Mar. 29) m1 = 3.0 + 5 log d + 15.0 log r [-615, 150] (2018 Mar. 29 - 2020 May 2) m1 = 0.5 + 5 log d + 20.0 log r(t - 50) [ 150, ] (2020 May 2 - )

The orbital elements are published on M.P.E.C. 2021-U31. The charts are made with StellaNavigator Ver.10 (AstroArts). The magnitudes graphs are made with Comet for Windows.