C/2005 A1 ( LINEAR )

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Updated on January 21, 2006

Profile Discovery Date January 13, 2005 Magnitude 15.4 mag Discoverer Lincoln Laboratory Near-Earth Asteroid Research project Pictures

Orbital Elements The following orbital elements are taken from MPC 54364: Epoch 2005 Apr. 20.0 TT = JDT 2453480.5 T 2005 Apr. 10.2253 TT MPC q 0.906885 (2000.0) P Q z -0.000666 Peri. 271.8646 +0.0136396 +0.9974749 +/-0.000004 Node 355.8599 +0.1431939 -0.0709349 e 1.000604 Incl. 74.8865 -0.9896007 +0.0034840 From 221 observations 2004 Dec. 9-2005 June 18, mean residual 0".6.

Finding Charts

Magnitudes Graph m1 = 8.2 + 5 log d + 12.5 log r [ , 0] ( - 2005 Apr. 10) m1 = 8.0 + 5 log d + 8.5 log r [ 0,120] (2005 Apr. 10 - 2005 Aug. 8) m1 = 6.2 + 5 log d + 14.0 log r [120, ] (2005 Aug. 8 - )

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.