420P/Hill (2009)

Japanese version Home page

Updated on April 29, 2021

Profile Designation 420P/2009 Q1 Discovery Date August 27, 2009 Magnitude 17.9 mag Discoverer R. E. Hill (Catalina Sky Survey) Pictures

Orbital Elements Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2009 July 4.21532 TT Rudenko q 2.7897638 (2000.0) P Q n 0.07549333 Peri. 157.94781 +0.88447273 +0.46588500 a 5.5445162 Node 174.08934 -0.45662099 +0.87557510 e 0.4968427 Incl. 14.43712 -0.09594408 +0.12774744 P 13.1 From 156 observations 2009 Aug. 16-2021 Mar. 14, mean residual 1".0.

Magnitudes Graph m1 = 12.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2021-F07. The magnitudes graphs are made with Comet for Windows.