357P/Hill (2008)

Japanese version Home page

Updated on October 21, 2017

Profile Designation 357P/2008 T4 Discovery Date October 8, 2008 Magnitude 17.9 mag Discoverer R. E. Hill (Catalina Sky Survey) Pictures

Orbital Elements Epoch 2009 Jan. 9.0 TT = JDT 2454840.5 T 2008 Dec. 23.95167 TT MPCW q 2.5117179 (2000.0) P Q n 0.10510799 Peri. 1.25916 +0.69547200 -0.71436310 a 4.4467792 Node 44.68350 +0.65829273 +0.59020399 e 0.4351602 Incl. 6.32638 +0.28804406 +0.37595825 P 9.38 From 253 observations 2008 Sept. 28-2017 Aug. 18, mean residual 0".5.

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

The orbital elements are published on M.P.E.C. 2017-Q47. The magnitudes graphs are made with Comet for Windows.