17P/Holmes (2021)

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Updated on May 6, 2023

Profile Pictures

Orbital Elements Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 T 2021 Feb. 19.94791 TT Rudenko q 2.0829513 (2000.0) P Q n 0.14203565 Peri. 24.56677 +0.97571860 +0.12574340 a 3.6380708 Node 326.62789 -0.21176821 +0.75064898 e 0.4274572 Incl. 19.02760 +0.05592354 +0.64862525 P 6.94 >From 2249 observations 2011 Jan. 5-2023 Jan. 22, mean residual 0".7.

Finding Charts

Magnitudes Graph m1 = 11.5 + 5 log d + 12.0 log r [ ,-240] ( - 2020 June 24) m1 = 1.5 + 5 log d + 35 log r [-240, 163] (2020 June 24 - 2021 Aug. 1) m1 = -11.0 + 5 log d + 60 log r [ 163, 248] (2021 Aug. 1 - 2021 Oct. 25) m1 = 8.8 + 5 log d + 15.0 log r [ 248, ] (2021 Oct. 25 - )

The orbital elements are published on M.P.E.C. 2023-J29. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.