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 2010 Jan. 4.0 TT = JDT 2455200.5
T 2008 Sept. 29.0928 TT MPC
q 1.073510 (2000.0) P Q
z -0.000323 Peri. 348.4764 +0.1089302 +0.1533908
Node 277.8961 -0.8149397 -0.5519853
e 1.000346 Incl. 82.5438 -0.5692166 +0.8196240
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 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 2010 07 18 06 20.79 +73 33.3 7.947 7.392 53.8 6.4 19.7 2010 07 23 06 28.70 +73 37.4 7.967 7.434 55.2 6.4 19.7 2010 07 28 06 36.36 +73 42.7 7.983 7.475 56.8 6.5 19.7 2010 08 02 06 43.75 +73 49.1 7.996 7.516 58.5 6.6 19.8 2010 08 07 06 50.87 +73 56.7 8.006 7.557 60.4 6.7 19.8 2010 08 12 06 57.69 +74 05.6 8.013 7.598 62.5 6.8 19.8 2010 08 17 07 04.19 +74 15.8 8.017 7.639 64.7 6.9 19.9 2010 08 22 07 10.35 +74 27.3 8.018 7.680 67.0 7.0 19.9 2010 08 27 07 16.15 +74 40.1 8.017 7.721 69.5 7.0 19.9 2010 09 01 07 21.56 +74 54.3 8.013 7.761 72.0 7.1 19.9 2010 09 06 07 26.54 +75 09.8 8.008 7.802 74.6 7.2 19.9 2010 09 11 07 31.06 +75 26.8 8.001 7.842 77.3 7.2 20.0 2010 09 16 07 35.06 +75 45.1 7.993 7.882 80.1 7.2 20.0 2010 09 21 07 38.49 +76 04.7 7.983 7.923 82.9 7.2 20.0 2010 09 26 07 41.31 +76 25.6 7.973 7.963 85.8 7.2 20.0 2010 10 01 07 43.43 +76 47.7 7.963 8.003 88.7 7.2 20.0 2010 10 06 07 44.78 +77 10.8 7.953 8.043 91.6 7.1 20.1 2010 10 11 07 45.26 +77 34.8 7.943 8.083 94.5 7.1 20.1 2010 10 16 07 44.76 +77 59.5 7.934 8.123 97.4 7.0 20.1 2010 10 21 07 43.18 +78 24.6 7.927 8.162 100.2 6.9 20.1 2010 10 26 07 40.39 +78 49.8 7.921 8.202 103.0 6.8 20.1 2010 10 31 07 36.26 +79 14.8 7.917 8.242 105.7 6.7 20.2 2010 11 05 07 30.64 +79 39.0 7.916 8.281 108.3 6.5 20.2 2010 11 10 07 23.43 +80 02.1 7.917 8.321 110.8 6.4 20.2 2010 11 15 07 14.53 +80 23.3 7.922 8.360 113.1 6.2 20.2 2010 11 20 07 03.93 +80 42.0 7.930 8.399 115.3 6.1 20.2 2010 11 25 06 51.68 +80 57.5 7.942 8.438 117.2 6.0 20.3 2010 11 30 06 37.96 +81 09.3 7.958 8.477 118.8 5.9 20.3 2010 12 05 06 23.05 +81 16.6 7.978 8.517 120.2 5.7 20.3 2010 12 10 06 07.39 +81 19.1 8.003 8.555 121.2 5.6 20.3 2010 12 15 05 51.49 +81 16.4 8.033 8.594 121.9 5.6 20.4 2010 12 20 05 35.91 +81 08.6 8.068 8.633 122.3 5.5 20.4 2010 12 25 05 21.13 +80 55.9 8.107 8.672 122.2 5.5 20.4 2010 12 30 05 07.55 +80 38.6 8.152 8.711 121.8 5.5 20.5 2011 01 04 04 55.43 +80 17.3 8.201 8.749 121.1 5.5 20.5 2011 01 09 04 44.93 +79 52.5 8.255 8.788 120.0 5.6 20.5 2011 01 14 04 36.08 +79 25.0 8.314 8.826 118.5 5.6 20.6 2011 01 19 04 28.83 +78 55.4 8.377 8.864 116.8 5.7 20.6 2011 01 24 04 23.09 +78 24.2 8.445 8.903 114.8 5.8 20.6 2011 01 29 04 18.71 +77 52.0 8.516 8.941 112.6 5.8 20.7 2011 02 03 04 15.58 +77 19.2 8.591 8.979 110.2 5.9 20.7 2011 02 08 04 13.56 +76 46.2 8.670 9.017 107.6 6.0 20.7 2011 02 13 04 12.52 +76 13.4 8.751 9.055 104.9 6.0 20.8 2011 02 18 04 12.34 +75 41.0 8.835 9.093 102.0 6.1 20.8 2011 02 23 04 12.91 +75 09.3 8.922 9.131 99.1 6.1 20.9 2011 02 28 04 14.15 +74 38.4 9.010 9.169 96.1 6.2 20.9
