78P/Gehrels 2 (1997)

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Updated on March 18, 2012

Profile

Orbital Elements Epoch 1997 Aug. 20.0 TT = JDT 2450680.5 T 1997 Aug. 7.04355 TT MPC q 2.0002384 (2000.0) P Q n 0.13687934 Peri. 192.76700 +0.72730107 -0.68406815 a 3.7288717 Node 210.62837 +0.63887867 +0.70436897 e 0.4635808 Incl. 6.25779 +0.25073331 +0.18951287 P 7.20 From 4943 observations 1996 June 18-2012 Mar. 15, mean residual 0".6. Nongravitational parameters A1 = +0.76, A2 = -0.1245.

Finding Charts 1996 May 7 - 1997 June 11 1997 June 11 - 1998 Aug. 25

Magnitudes Graph m1 = 1.3 + 5 log d + 31.5 log r [ , 0] ( - 1997 Aug. 7) m1 = 7.8 + 5 log d + 10.0 log r [ 0,220] (1997 Aug. 7 - 1998 Mar. 15) m1 = 2.3 + 5 log d + 23.0 log r [220, ] (1998 Mar. 15 - )

The orbital elements are published on M.P.E.C. 2012-F11. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.