P/2008 O2 (McNaught)
Orbital Elements
The following orbital elements are taken from MPC 66921:P/2008 O2 (McNaught) Epoch 2009 May 9.0 TT = JDT 2454960.5 T 2009 Apr. 21.6041 TT MPC q 3.803809 (2000.0) P Q n 0.1034730 Peri. 27.4642 +0.9896566 +0.1093936 a 4.493499 Node 325.8601 -0.1418153 +0.8436195 e 0.153486 Incl. 9.5185 +0.0216406 +0.5256798 P 9.53 From 334 observations 2008 July 28-2009 Aug. 20, mean residual 0".6.Elements are also available for the current standard epoch:
P/2008 O2 (McNaught) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 Apr. 21.8137 TT MPC q 3.804004 (2000.0) P Q n 0.1035928 Peri. 27.5013 +0.9897254 +0.1087675 a 4.490033 Node 325.8593 -0.1412824 +0.8437101 e 0.152789 Incl. 9.5184 +0.0219748 +0.5256642 P 9.51An 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.
Ephemeris
The following ephemeris is at intervals of five days. A daily ephemeris covering the same time interval is also available.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 m2WARNING! 2009 10 26 00 38.59 +15 15.9 2.910 3.857 159.7 5.1 17.2 2009 10 31 00 36.07 +14 59.5 2.940 3.860 154.6 6.3 17.2 2009 11 05 00 33.86 +14 43.4 2.976 3.863 149.5 7.5 17.2 2009 11 10 00 32.00 +14 28.1 3.019 3.866 144.2 8.6 17.3 2009 11 15 00 30.53 +14 13.9 3.068 3.869 139.0 9.7 17.3 2009 11 20 00 29.47 +14 01.4 3.122 3.872 133.8 10.6 17.4 2009 11 25 00 28.84 +13 50.6 3.181 3.875 128.7 11.5 17.4 2009 11 30 00 28.65 +13 42.0 3.244 3.879 123.7 12.2 17.4 2009 12 05 00 28.88 +13 35.5 3.311 3.882 118.7 12.9 17.5 2009 12 10 00 29.54 +13 31.4 3.381 3.885 113.9 13.4 17.5 2009 12 15 00 30.61 +13 29.7 3.454 3.889 109.1 13.8 17.6 2009 12 20 00 32.09 +13 30.5 3.528 3.892 104.4 14.2 17.6 2009 12 25 00 33.94 +13 33.7 3.605 3.896 99.9 14.4 17.7 2009 12 30 00 36.16 +13 39.2 3.683 3.899 95.4 14.5 17.7 2010 01 04 00 38.73 +13 47.1 3.761 3.903 91.0 14.6 17.8 2010 01 09 00 41.61 +13 57.2 3.839 3.907 86.6 14.6 17.8 2010 01 14 00 44.80 +14 09.4 3.918 3.911 82.4 14.4 17.9 2010 01 19 00 48.27 +14 23.7 3.995 3.914 78.2 14.2 17.9 2010 01 24 00 52.01 +14 39.8 4.072 3.918 74.1 14.0 18.0 2010 01 29 00 56.00 +14 57.7 4.147 3.922 70.1 13.7 18.0 2010 02 03 01 00.21 +15 17.1 4.220 3.926 66.1 13.3 18.1 2010 02 08 01 04.63 +15 38.1 4.292 3.930 62.2 12.8 18.1 2010 02 13 01 09.24 +16 00.4 4.361 3.934 58.4 12.3 18.1 2010 02 18 01 14.04 +16 23.9 4.428 3.939 54.6 11.8 18.2 2010 02 23 01 19.01 +16 48.5 4.491 3.943 50.9 11.2 18.2 2010 02 28 01 24.12 +17 14.1 4.552 3.947 47.2 10.6 18.3 2010 03 05 01 29.37 +17 40.5 4.610 3.951 43.6 10.0 18.3 2010 03 10 01 34.76 +18 07.6 4.664 3.956 40.0 9.3 18.3 2010 03 15 01 40.26 +18 35.3 4.715 3.960 36.5 8.6 18.3 2010 03 20 01 45.86 +19 03.6 4.762 3.965 33.0 7.9 18.4 2010 03 25 01 51.57 +19 32.2 4.805 3.969 29.6 7.1 18.4 2010 03 30 01 57.35 +20 01.1 4.845 3.974 26.3 6.4 18.4 2010 04 04 02 03.22 +20 30.1 4.880 3.979 23.0 5.6 18.4 2010 04 09 02 09.15 +20 59.3 4.911 3.983 19.8 4.9 18.5 2010 04 14 02 15.15 +21 28.4 4.938 3.988 16.7 4.1 18.5 2010 04 19 02 21.20 +21 57.6 4.961 3.993 13.7 3.4 18.5 2010 04 24 02 27.29 +22 26.5 4.980 3.998 11.0 2.8 18.5 2010 04 29 02 33.41 +22 55.2 4.994 4.002 8.9 2.2 18.5 2010 05 04 02 39.56 +23 23.7 5.004 4.007 7.6 1.9 18.5 2010 05 09 02 45.74 +23 51.7 5.010 4.012 7.7 1.9 18.5 2010 05 14 02 51.92 +24 19.4 5.012 4.017 9.1 2.3 18.5 2010 05 19 02 58.10 +24 46.7 5.009 4.022 11.4 2.8 18.5 2010 05 24 03 04.28 +25 13.4 5.002 4.027 14.1 3.5 18.5 2010 05 29 03 10.43 +25 39.6 4.991 4.033 17.0 4.2 18.5 2010 06 03 03 16.56 +26 05.2 4.976 4.038 20.0 4.9 18.5 2010 06 08 03 22.66 +26 30.2 4.956 4.043 23.1 5.7 18.5 2010 06 13 03 28.71 +26 54.6 4.933 4.048 26.3 6.4 18.5 2010 06 18 03 34.70 +27 18.4 4.906 4.053 29.6 7.1 18.5 2010 06 23 03 40.61 +27 41.5 4.875 4.059 32.9 7.8 18.5 2010 06 28 03 46.45 +28 03.9 4.840 4.064 36.2 8.5 18.5 2010 07 03 03 52.19 +28 25.7 4.801 4.069 39.6 9.2 18.5 2010 07 08 03 57.82 +28 46.8 4.759 4.075 43.0 9.8 18.5 2010 07 13 04 03.32 +29 07.2 4.714 4.080 46.4 10.4 18.5 2010 07 18 04 08.69 +29 27.0 4.665 4.086 49.9 11.0 18.5 2010 07 23 04 13.90 +29 46.2 4.614 4.091 53.5 11.5 18.4 2010 07 28 04 18.93 +30 04.8 4.560 4.097 57.0 12.0 18.4 2010 08 02 04 23.77 +30 22.8 4.503 4.102 60.7 12.5 18.4 2010 08 07 04 28.40 +30 40.2 4.443 4.108 64.4 12.9 18.4 2010 08 12 04 32.80 +30 57.1 4.382 4.114 68.1 13.2 18.4 2010 08 17 04 36.95 +31 13.6 4.319 4.119 72.0 13.5 18.3 2010 08 22 04 40.82 +31 29.5 4.254 4.125 75.9 13.8 18.3 2010 08 27 04 44.39 +31 45.0 4.187 4.131 79.8 13.9 18.3 2010 09 01 04 47.64 +32 00.0 4.120 4.136 83.9 14.0 18.2 2010 09 06 04 50.54 +32 14.6 4.052 4.142 88.0 14.1 18.2 2010 09 11 04 53.07 +32 28.8 3.985 4.148 92.3 14.0 18.2 2010 09 16 04 55.21 +32 42.5 3.917 4.154 96.6 13.9 18.1 2010 09 21 04 56.92 +32 55.7 3.850 4.160 101.0 13.7 18.1 2010 09 26 04 58.20 +33 08.4 3.784 4.166 105.5 13.4 18.1 2010 10 01 04 59.03 +33 20.5 3.720 4.171 110.1 13.0 18.1 2010 10 06 04 59.38 +33 31.9 3.658 4.177 114.8 12.5 18.0 2010 10 11 04 59.24 +33 42.4 3.598 4.183 119.6 12.0 18.0 2010 10 16 04 58.62 +33 52.0 3.542 4.189 124.6 11.3 18.0 2010 10 21 04 57.51 +34 00.3 3.490 4.195 129.6 10.5 17.9 2010 10 26 04 55.92 +34 07.4 3.443 4.201 134.6 9.7 17.9 2010 10 31 04 53.89 +34 12.8 3.400 4.207 139.8 8.8 17.9 2010 11 05 04 51.43 +34 16.6 3.363 4.213 144.9 7.8 17.9 2010 11 10 04 48.59 +34 18.4 3.332 4.219 150.1 6.7 17.9 2010 11 15 04 45.43 +34 18.1 3.307 4.225 155.2 5.6 17.9 2010 11 20 04 42.02 +34 15.6 3.289 4.231 160.0 4.6 17.9 2010 11 25 04 38.42 +34 10.9 3.279 4.237 164.2 3.6 17.8 2010 11 30 04 34.73 +34 04.0 3.276 4.244 167.2 2.9 17.9This comet gets close to the sun during the period covered in the ephemeris below. Observers are warned to be wary of observing comets near the sun. NEVER point any kind of optical instrument at the sun--instant blindness will be the probable result.
