C/2001 A2 ( LINEAR )

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Updated on November 25, 2001

Profile Discovery Date January 3, 2001 Magnitude 19.0 mag Discoverer Lincoln Laboratory Near-Earth Asteroid Research project

Orbital Elements Epoch 2001 May 11.0 TT = JDT 2452040.5 T 2001 May 24.52041 TT Marsden q 0.7790265 (2000.0) P Q z +0.0008544 Peri. 295.32886 -0.47639606 +0.69524253 +/-0.0000023 Node 295.12525 -0.42477634 -0.71796682 e 0.9993344 Incl. 36.47496 -0.76981287 -0.03408035 >From 1381 observations 2001 Jan. 3-Sept. 14, mean residual 0".68. Non- gravitational parameters A1 = +0.52 +/- 0.01, A2 = -0.4168 +/- 0.0114.

Finding Charts

Magnitudes Graph m1 = 13.0 + 5 log d + 10.0 log r [ ,-90] ( - 2001 Feb. 23) m1 = 7.0 + 5 log d + 35 log r [-90,-60] (2001 Feb. 23 - 2001 Mar. 25) m1 = -8.0 + 5 log d + 150 log r [-60,-54] (2001 Mar. 25 - 2001 Mar. 31) m1 = 11.0 + 5 log d - 30 log r [-54,-48] (2001 Mar. 31 - 2001 Apr. 6) m1 = 7.5 + 5 log d + 18.0 log r [-48,-25] (2001 Apr. 6 - 2001 Apr. 29) m1 = 7.0 + 5 log d + 6.2 log r [-25, 20] (2001 Apr. 29 - 2001 June 13) m1 = 8.1 + 5 log d + 40 log r [ 20, 29] (2001 June 13 - 2001 June 22) m1 = 7.5 + 5 log d + 10.0 log r [ 29, 50] (2001 June 22 - 2001 July 13) m1 = 4.5 + 5 log d + 35 log r [ 50, 58] (2001 July 13 - 2001 July 21) m1 = 7.5 + 5 log d + 10.0 log r [ 58, 95] (2001 July 21 - 2001 Aug. 27) m1 = 11.0 + 5 log d + 10.0 log r [ 95, ] (2001 Aug. 27 - )

The orbital elements are calculated by Dr. Brian G. Marsden and printed on M.P.E.C. 2001-R57. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.