78P/Gehrels 2 (2004)

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Updated on January 7, 2006

Profile Pictures

Orbital Elements The following orbital elements are taken from MPC 52321: Epoch 2004 Nov. 11.0 TT = JDT 2453320.5 T 2004 Oct. 27.0675 TT MPC q 2.008183 (2000.0) P Q n 0.1364659 Peri. 192.9623 +0.7259384 -0.6855284 a 3.736400 Node 210.5472 +0.6403269 +0.7030521 e 0.462535 Incl. 6.2527 +0.2509880 +0.1891258 P 7.22 From 438 observations 1973-2004, mean residual 0".8. Nongravitational parameters A1 = -0.78, A2 = -0.0270.

Finding Charts

Magnitudes Graph m1 = -1 + 5 log d + 40 log r [ , 0] ( - 2004 Oct. 27) m1 = 5.7 + 5 log d + 15.0 log r [ 0,240] (2004 Oct. 27 - 2005 June 24) m1 = -0.8 + 5 log d + 30.0 log r [240, ] (2005 June 24 - )

The orbital elements are published at the MPC Ephemerides and Orbital Elements. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.