C/1995 O1 ( Hale-Bopp )

Japanese version Home page

Updated on March 3, 2018

Profile Discovery Date July 23, 1995 Magnitude 10.5 mag, 10.8 mag Discoverer Alan Hale (Cloudcroft, NM), Thomas Bopp (Stanfield, AZ) Pictures

Orbital Elements Epoch 1997 Mar. 13.0 TT = JDT 2450520.5 T 1997 Apr. 1.13727 TT MPCW q 0.9141407 (2000.0) P Q z +0.0053998 Peri. 130.58879 -0.13312075 -0.17030406 Node 282.47071 +0.28229358 +0.93780525 e 0.9950638 Incl. 89.43006 +0.95004695 -0.30251916 From 3093 observations 1995 July 24-2013 Aug. 13, mean residual 0".8. Nongravitational parameters A1 = +1.36, A2 = +0.0894.

Finding Charts

Magnitudes Graph m1 = -10 + 5 log d + 20 log r [ ,-520] ( - 1995 Oct. 29) m1 = -2.0 + 5 log d + 10.0 log r [-520,-215] (1995 Oct. 29 - 1996 Aug. 29) m1 = -0.3 + 5 log d + 7.5 log r [-215, -35] (1996 Aug. 29 - 1997 Feb. 25) m1 = -0.7 + 5 log d + 16.9 log r [ -35, 0] (1997 Feb. 25 - 1997 Apr. 1) m1 = -1.0 + 5 log d + 7.9 log r [ 0, 200] (1997 Apr. 1 - 1997 Oct. 18) m1 = -1.3 + 5 log d + 10.0 log r [ 200, 450] (1997 Oct. 18 - 1998 June 25) m1 = -2.0 + 5 log d + 10.0 log r [ 450,2250] (1998 June 25 - 2003 May 30) m1 = -14.5 + 5 log d + 20 log r [2250, ] (2003 May 30 - )

The orbital elements are published on M.P.E.C. 2017-T14. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.