7P/Pons-Winnecke (2008)

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Updated on February 15, 2009

Profile Pictures

Orbital Elements The following orbital elements are taken from MPC 54170: Epoch 2008 Sept. 11.0 TT = JDT 2454720.5 T 2008 Sept. 26.6342 TT MPC q 1.253265 (2000.0) P Q n 0.1549729 Peri. 172.3293 -0.0640958 +0.9231974 a 3.432671 Node 93.4229 -0.9345704 +0.0776315 e 0.634901 Incl. 22.3102 -0.3499569 -0.3764040 P 6.36 From 165 observations 1964-2004, mean residual 0".9. Nongravitational parameters A1 = +0.01, A2 = +0.0021.

Finding Charts

Magnitudes Graph H = 15.8 G = 0.15 [ ,-400] ( - 2007 Aug. 23) m1 = 11.7 + 5 log d + 12.5 log r(t - 50) [-400,-126] (2007 Aug. 23 - 2008 May 23) m1 = 55 + 5 log d - 150 log r [-126,-115] (2008 May 23 - 2008 June 3) m1 = 11.7 + 5 log d + 12.5 log r(t - 50) [-115, -80] (2008 June 3 - 2008 July 8) m1 = 5.5 + 5 log d + 50 log r [ -80, 54] (2008 July 8 - 2008 Nov. 19) m1 = 11.5 + 5 log d + 15.0 log r(t - 50) [ 54, 380] (2008 Nov. 19 - 2009 Oct. 11) H = 15.8 G = 0.15 [ 380, ] (2009 Oct. 11 - )

The orbital elements are published at the MPC Ephemerides and Orbital Elements. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.