C/2008 A1 (McNaught) Epoch 2008 Sept. 11.0 TT = JDT 2454720.5 T 2008 Sept. 29.1338 TT MPC q 1.073015 (2000.0) P Q z -0.000279 Peri. 348.4831 +0.1087941 +0.1532320 +/-0.000017 Node 277.8857 -0.8150180 -0.5519362 e 1.000300 Incl. 82.5506 -0.5691305 +0.8196867 From 177 observations 2008 Jan. 10-Mar. 16, mean residual 0".4.Elements are also available for the current standard epoch:
C/2008 A1 (McNaught) Epoch 2008 May 14.0 TT = JDT 2454600.5 T 2008 Sept. 29.1343 TT MPC q 1.073045 (2000.0) P Q z -0.000248 Peri. 348.4818 +0.1087892 +0.1532314 +/-0.000017 Node 277.8856 -0.8150057 -0.5519553 e 1.000267 Incl. 82.5507 -0.5691490 +0.8196740An explanation of the orbital elements is available.
These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.
Personalized ephemerides for this (and other) objects may be generated using the Minor Planet & Comet Ephemeris Service.
Recent magnitude estimates for this comet (as reported to the ICQ) may be available.
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2008 04 14 05 14.96 -36 03.0 2.864 2.686 69.7 20.5 13.1 2008 04 19 05 17.22 -35 32.0 2.837 2.628 67.9 20.7 13.0 2008 04 24 05 20.04 -35 04.3 2.807 2.571 66.2 21.0 12.8 2008 04 29 05 23.40 -34 40.5 2.773 2.513 64.7 21.2 12.7 2008 05 04 05 27.28 -34 20.7 2.735 2.454 63.4 21.5 12.6 2008 05 09 05 31.69 -34 05.3 2.694 2.396 62.2 21.9 12.4 2008 05 14 05 36.62 -33 54.7 2.649 2.338 61.3 22.3 12.3 2008 05 19 05 42.07 -33 49.1 2.600 2.279 60.5 22.7 12.2 2008 05 24 05 48.05 -33 48.9 2.547 2.220 59.9 23.2 12.0 2008 05 29 05 54.61 -33 54.2 2.491 2.162 59.5 23.8 11.8 2008 06 03 06 01.76 -34 05.4 2.432 2.103 59.3 24.5 11.7 2008 06 08 06 09.56 -34 23.0 2.368 2.044 59.2 25.3 11.5 2008 06 13 06 18.06 -34 47.3 2.302 1.986 59.3 26.1 11.3 2008 06 18 06 27.33 -35 18.5 2.233 1.927 59.5 27.0 11.1 2008 06 23 06 37.48 -35 56.9 2.161 1.869 59.8 28.0 10.9 2008 06 28 06 48.63 -36 42.8 2.087 1.811 60.2 29.1 10.7 2008 07 03 07 00.94 -37 36.4 2.012 1.754 60.6 30.3 10.5 2008 07 08 07 14.61 -38 37.5 1.936 1.697 61.1 31.6 10.2 2008 07 13 07 29.87 -39 45.9 1.859 1.640 61.6 33.0 10.0 2008 07 18 07 47.02 -41 00.6 1.783 1.585 62.0 34.5 9.8 2008 07 23 08 06.42 -42 19.9 1.708 1.531 62.4 36.0 9.5 2008 07 28 08 28.47 -43 41.1 1.637 1.477 62.7 37.6 9.3 2008 08 02 08 53.58 -45 00.1 1.569 1.426 62.8 39.3 9.0 2008 08 07 09 22.11 -46 10.8 1.506 1.376 62.7 40.9 8.8 2008 08 12 09 54.23 -47 05.2 1.451 1.329 62.3 42.5 8.5 2008 08 17 10 29.72 -47 33.4 1.403 1.284 61.7 44.0 8.3 2008 08 22 11 07.83 -47 25.6 1.366 1.242 60.8 45.3 8.1 2008 08 27 11 47.23 -46 34.2 1.340 1.203 59.6 46.4 7.9 2008 09 01 12 26.27 -44 56.1 1.327 1.169 58.2 47.2 7.8 2008 09 06 13 03.36 -42 34.1 1.326 1.139 56.5 47.5 7.7 2008 09 11 13 37.39 -39 35.9 1.337 1.114 54.6 47.4 7.6 2008 09 16 14 07.86 -36 12.0 1.360 1.095 52.6 46.8 7.6 2008 09 21 14 34.77 -32 33.4 1.394 1.081 50.5 45.7 7.6 2008 09 26 14 58.41 -28 49.5 1.436 1.074 48.4 44.2 7.6 2008 10 01 15 19.21 -25 07.3 1.485 1.073 46.3 42.4 7.7 2008 10 06 15 37.64 -21 31.6 1.539 1.079 44.2 40.3 7.8 2008 10 11 15 54.11 -18 05.1 1.597 1.091 42.3 38.0 7.9 2008 10 16 16 09.00 -14 48.9 1.656 1.109 40.6 35.8 8.0 2008 10 21 16 22.63 -11 43.4 1.716 1.132 39.0 33.6 8.2 2008 10 26 16 35.26 -08 48.1 1.776 1.161 37.7 31.6 8.4 2008 10 31 16 47.12 -06 02.1 1.834 1.194 36.6 29.7 8.6 2008 11 05 16 58.37 -03 24.3 1.890 1.232 35.8 28.1 8.8 2008 11 10 17 09.15 -00 53.6 1.944 1.273 35.3 26.8 9.0 2008 11 15 17 19.57 +01 31.2 1.996 1.317 35.2 25.6 9.2 2008 11 20 17 29.74 +03 51.2 2.045 1.364 35.3 24.8 9.4 2008 11 25 17 39.71 +06 07.4 2.091 1.413 35.8 24.1 9.6 2008 11 30 17 49.55 +08 20.7 2.135 1.464 36.5 23.6 9.8 2008 12 05 17 59.30 +10 32.1 2.176 1.517 37.4 23.2 10.0 2008 12 10 18 08.99 +12 42.2 2.216 1.571 38.6 23.0 10.2 2008 12 15 18 18.66 +14 51.5 2.254 1.626 39.9 22.8 10.4 2008 12 20 18 28.32 +17 00.6 2.290 1.682 41.4 22.7 10.6 2008 12 25 18 37.99 +19 09.9 2.325 1.739 42.9 22.7 10.7 2008 12 30 18 47.70 +21 19.8 2.359 1.796 44.6 22.6 10.9 2009 01 04 18 57.44 +23 30.3 2.393 1.854 46.2 22.5 11.1 2009 01 09 19 07.22 +25 41.7 2.426 1.912 47.9 22.4 11.2 2009 01 14 19 17.05 +27 53.8 2.460 1.971 49.6 22.3 11.4 2009 01 19 19 26.94 +30 06.7 2.494 2.029 51.3 22.2 11.6 2009 01 24 19 36.90 +32 20.3 2.529 2.088 52.9 22.1 11.7 2009 01 29 19 46.93 +34 34.4 2.565 2.146 54.4 21.9 11.9 2009 02 03 19 57.02 +36 48.7 2.602 2.205 55.9 21.7 12.0 2009 02 08 20 07.19 +39 03.0 2.641 2.264 57.2 21.5 12.2 2009 02 13 20 17.45 +41 16.9 2.681 2.322 58.4 21.2 12.3 2009 02 18 20 27.80 +43 30.1 2.724 2.381 59.6 21.0 12.4 2009 02 23 20 38.25 +45 42.3 2.768 2.439 60.6 20.7 12.6 2009 02 28 20 48.81 +47 53.1 2.815 2.498 61.4 20.4 12.7 2009 03 05 20 59.48 +50 02.3 2.863 2.556 62.2 20.1 12.9 2009 03 10 21 10.30 +52 09.5 2.914 2.613 62.8 19.8 13.0 2009 03 15 21 21.26 +54 14.4 2.966 2.671 63.3 19.4 13.1 2009 03 20 21 32.41 +56 16.7 3.020 2.729 63.7 19.1 13.3 2009 03 25 21 43.76 +58 16.2 3.076 2.786 63.9 18.8 13.4 2009 03 30 21 55.34 +60 12.7 3.134 2.843 64.1 18.4 13.5 2009 04 04 22 07.18 +62 06.1 3.193 2.900 64.1 18.1 13.6 2009 04 09 22 19.32 +63 56.0 3.253 2.956 64.1 17.7 13.8 2009 04 14 22 31.83 +65 42.4 3.314 3.013 64.0 17.4 13.9 2009 04 19 22 44.77 +67 25.2 3.376 3.069 63.8 17.1 14.0 2009 04 24 22 58.20 +69 04.3 3.439 3.125 63.6 16.8 14.1 2009 04 29 23 12.22 +70 39.7 3.502 3.180 63.4 16.4 14.2 2009 05 04 23 26.94 +72 11.1 3.565 3.236 63.1 16.1 14.4 2009 05 09 23 42.48 +73 38.4 3.627 3.291 62.8 15.8 14.5 2009 05 14 23 59.01 +75 01.6 3.690 3.346 62.5 15.5 14.6 2009 05 19 00 16.75 +76 20.5 3.752 3.401 62.2 15.3 14.7