C/2001 Q4 ( NEAT )

Japanese version Home page

Updated on September 3, 2006

Profile Discovery Date August 24, 2001 Magnitude 20.0 mag Discoverer Near-Earth-Asteroid Tracking Team (Jet Propulsion Laboratory) Pictures

Orbital Elements Epoch 2004 June 4.0 TT = JDT 2453160.5 T 2004 May 15.96533 TT MPC q 0.9619569 (2000.0) P Q z -0.0006904 Peri. 1.20383 -0.86516743 -0.06629308 +/-0.0000040 Node 210.27863 -0.46794807 -0.24966639 e 1.0006642 Incl. 99.64255 -0.18030507 +0.96606000 >From 1106 observations 2001 Aug. 24-2004 June 11, mean residual 0".77. Non- gravitational parameters A1 = +1.49 +/- 0.03, A2 = -0.2965 +/- 0.0282.

Finding Charts

Magnitudes Graph m1 = 3.5 + 5 log d + 10.0 log r [ ,-400] ( - 2003 Apr. 11) m1 = 4.6 + 5 log d + 8.6 log r [-400, -40] (2003 Apr. 11 - 2004 Apr. 5) m1 = 5.9 + 5 log d - 8.5 log r [ -40, -10] (2004 Apr. 5 - 2004 May 5) m1 = 5.7 + 5 log d + 10.0 log r [ -10, 30] (2004 May 5 - 2004 June 14) m1 = 5.8 + 5 log d + 4.0 log r [ 30, 85] (2004 June 14 - 2004 Aug. 8) m1 = 3.5 + 5 log d + 14.0 log r [ 85, 160] (2004 Aug. 8 - 2004 Oct. 22) m1 = 4.6 + 5 log d + 11.5 log r [ 160, 400] (2004 Oct. 22 - 2005 June 19) m1 = 9.2 + 5 log d + 5.0 log r [ 400, ] (2005 June 19 - ) * Gray curve is: m1 = 4.6 + 5 log d + 8.6 log r

The orbital elements are published on M.P.E.C. 2004-L37. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.