C/2008 A1 (McNaught)
Orbital Elements
The following orbital elements are taken from MPC 65935:
C/2008 A1 (McNaught)
Epoch 2008 Sept. 11.0 TT = JDT 2454720.5
T 2008 Sept. 29.1270 TT MPC
q 1.073068 (2000.0) P Q
z -0.000202 Peri. 348.4766 +0.1087363 +0.1532613
Node 277.8836 -0.8149596 -0.5520300
e 1.000217 Incl. 82.5492 -0.5692251 +0.8196181
From 827 observations 2008 Jan. 10-2009 May 1, mean residual 0".6.
Nongravitational parameters A1 = +5.06, A2 = +0.6769.
Elements are also available for the current standard epoch:
C/2008 A1 (McNaught)
Epoch 2009 June 18.0 TT = JDT 2455000.5
T 2008 Sept. 29.1135 TT MPC
q 1.073131 (2000.0) P Q
z -0.000322 Peri. 348.4669 +0.1087180 +0.1532921
Node 277.8842 -0.8148656 -0.5521645
e 1.000345 Incl. 82.5485 -0.5693632 +0.8195217
An 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 m2 2009 06 08 01 44.83 +80 49.1 3.990 3.617 61.5 14.3 15.1 2009 06 13 02 13.18 +81 42.7 4.047 3.671 61.4 14.1 15.2 2009 06 18 02 44.86 +82 29.8 4.101 3.724 61.4 13.9 15.3 2009 06 23 03 20.13 +83 09.8 4.154 3.777 61.5 13.7 15.4 2009 06 28 03 58.96 +83 42.0 4.205 3.830 61.8 13.5 15.5 2009 07 03 04 40.80 +84 05.7 4.254 3.883 62.0 13.4 15.5 2009 07 08 05 24.53 +84 20.8 4.301 3.935 62.5 13.2 15.6 2009 07 13 06 08.61 +84 27.7 4.345 3.987 63.0 13.1 15.7 2009 07 18 06 51.41 +84 27.1 4.388 4.039 63.6 13.0 15.8 2009 07 23 07 31.63 +84 20.5 4.428 4.091 64.3 12.9 15.8 2009 07 28 08 08.57 +84 09.3 4.466 4.143 65.1 12.9 15.9 2009 08 02 08 42.05 +83 55.0 4.501 4.194 66.1 12.8 16.0 2009 08 07 09 12.29 +83 38.9 4.535 4.245 67.2 12.7 16.1 2009 08 12 09 39.68 +83 22.0 4.566 4.296 68.3 12.7 16.1 2009 08 17 10 04.68 +83 05.1 4.595 4.347 69.6 12.6 16.2 2009 08 22 10 27.73 +82 49.0 4.621 4.397 71.0 12.6 16.3 2009 08 27 10 49.20 +82 34.0 4.646 4.448 72.5 12.5 16.3 2009 09 01 11 09.44 +82 20.5 4.669 4.498 74.0 12.5 16.4 2009 09 06 11 28.72 +82 08.9 4.691 4.548 75.7 12.4 16.4 2009 09 11 11 47.31 +81 59.2 4.711 4.598 77.4 12.3 16.5 2009 09 16 12 05.44 +81 51.6 4.729 4.647 79.2 12.3 16.5 2009 09 21 12 23.30 +81 46.2 4.747 4.697 81.1 12.2 16.6 2009 09 26 12 41.05 +81 43.1 4.764 4.746 83.0 12.1 16.7 2009 10 01 12 58.85 +81 42.3 4.780 4.795 84.9 12.0 16.7 2009 10 06 13 16.86 +81 43.7 4.795 4.844 86.8 11.9 16.8 2009 10 11 13 35.25 +81 47.1 4.811 4.893 88.8 11.8 16.8 2009 10 16 13 54.19 +81 52.5 4.826 4.941 90.7 11.6 16.9 2009 10 21 14 13.82 +81 59.7 4.843 4.989 92.7 11.5 16.9 2009 10 26 14 34.32 +82 08.4 4.860 5.038 94.6 11.3 17.0 2009 10 31 14 55.83 +82 18.4 4.878 5.086 96.4 11.2 17.0 2009 11 05 15 18.55 +82 29.1 4.898 5.134 98.2 11.0 17.1 2009 11 10 15 42.64 +82 40.2 4.919 5.181 99.9 10.9 17.1 2009 11 15 16 08.24 +82 51.2 4.942 5.229 101.4 10.7 17.2 2009 11 20 16 35.44 +83 01.5 4.968 5.276 102.8 10.5 17.2 2009 11 25 17 04.25 +83 10.5 4.996 5.323 104.1 10.4 17.3 2009 11 30 17 34.57 +83 17.5 5.027 5.370 105.2 10.2 17.3 2009 12 05 18 06.19 +83 21.8 5.061 5.417 106.1 10.1 17.4 2009 12 10 18 38.75 +83 23.0 5.098 5.464 106.8 9.9 17.4 2009 12 15 19 11.79 +83 20.7 5.138 5.511 107.2 9.8 17.5 2009 12 20 19 44.76 +83 14.6 5.182 5.557 107.4 9.7 17.5 2009 12 25 20 17.12 +83 04.7 5.230 5.603 107.4 9.6 17.6 2009 12 30 20 48.39 +82 51.3 5.281 5.649 107.1 9.6 17.6 2010 01 04 21 18.24 +82 34.7 5.336 5.695 106.6 9.5 17.7 2010 01 09 21 46.48 +82 15.3 5.394 5.741 105.9 9.5 17.7 2010 01 14 22 13.03 +81 53.5 5.455 5.787 104.9 9.5 17.8 2010 01 19 22 37.91 +81 30.1 5.520 5.833 103.7 9.4 17.9 2010 01 24 23 01.20 +81 05.3 5.589 5.878 102.3 9.4 17.9 2010 01 29 23 23.00 +80 39.7 5.660 5.923 100.8 9.4 18.0 2010 02 03 23 43.47 +80 13.7 5.734 5.969 99.0 9.4 18.1 2010 02 08 00 02.76 +79 47.5 5.811 6.014 97.2 9.4 18.1 2010 02 13 00 20.99 +79 21.5 5.889 6.059 95.2 9.3 18.2 2010 02 18 00 38.30 +78 56.0 5.970 6.103 93.1 9.3 18.2 2010 02 23 00 54.80 +78 31.0 6.053 6.148 90.9 9.3 18.3 2010 02 28 01 10.57 +78 06.9 6.137 6.193 88.6 9.2 18.4 2010 03 05 01 25.71 +77 43.6 6.222 6.237 86.3 9.1 18.4 2010 03 10 01 40.29 +77 21.3 6.308 6.281 83.9 9.0 18.5 2010 03 15 01 54.39 +77 00.0 6.395 6.325 81.6 8.9 18.5 2010 03 20 02 08.05 +76 39.8 6.481 6.369 79.2 8.8 18.6 2010 03 25 02 21.32 +76 20.8 6.567 6.413 76.8 8.7 18.7 2010 03 30 02 34.23 +76 02.8 6.653 6.457 74.4 8.6 18.7 2010 04 04 02 46.83 +75 45.9 6.738 6.501 72.1 8.4 18.8 2010 04 09 02 59.13 +75 30.0 6.822 6.544 69.8 8.3 18.8 2010 04 14 03 11.17 +75 15.3 6.905 6.588 67.6 8.1 18.9 2010 04 19 03 22.97 +75 01.5 6.986 6.631 65.4 7.9 18.9 2010 04 24 03 34.53 +74 48.9 7.065 6.674 63.3 7.7 19.0 2010 04 29 03 45.87 +74 37.1 7.142 6.717 61.4 7.6 19.0 2010 05 04 03 57.00 +74 26.4 7.216 6.760 59.5 7.4 19.1 2010 05 09 04 07.93 +74 16.5 7.288 6.803 57.8 7.2 19.1 2010 05 14 04 18.68 +74 07.6 7.357 6.846 56.2 7.0 19.2 2010 05 19 04 29.23 +73 59.6 7.423 6.889 54.7 6.9 19.2 2010 05 24 04 39.59 +73 52.5 7.486 6.931 53.4 6.7 19.3 2010 05 29 04 49.76 +73 46.3 7.546 6.974 52.4 6.6 19.3 2010 06 03 04 59.75 +73 40.9 7.603 7.016 51.5 6.5 19.4 2010 06 08 05 09.55 +73 36.3 7.656 7.058 50.8 6.4 19.4 2010 06 13 05 19.17 +73 32.7 7.705 7.100 50.4 6.3 19.4 2010 06 18 05 28.59 +73 30.0 7.751 7.142 50.2 6.3 19.5 2010 06 23 05 37.81 +73 28.1 7.793 7.184 50.2 6.2 19.5 2010 06 28 05 46.83 +73 27.2 7.831 7.226 50.4 6.2 19.6 2010 07 03 05 55.65 +73 27.2 7.865 7.268 50.9 6.2 19.6 2010 07 08 06 04.25 +73 28.2 7.896 7.309 51.7 6.3 19.6 2010 07 13 06 12.64 +73 30.2 7.923 7.351 52.6 6.3 19.7
