MPC
CBAT
ICQ
C/2005 S4 (McNaught) Epoch 2007 June 29.0 TT = JDT 2454280.5 T 2007 July 18.6623 TT MPC q 5.850189 (2000.0) P Q z +0.000182 Peri. 31.4549 +0.5297709 -0.5645594 +/-0.000002 Node 318.2902 -0.8284072 -0.1843898 e 0.998937 Incl. 107.9586 +0.1818911 +0.8045328 From 236 observations 2005 July 27-2007 Apr. 14, mean residual 0".6.Elements are also available for the current standard epoch:
C/2005 S4 (McNaught) Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 T 2007 July 18.5736 TT MPC q 5.850232 (2000.0) P Q z +0.000178 Peri. 31.4463 +0.5298555 -0.5644918 +/-0.000002 Node 318.2907 -0.8283802 -0.1845268 e 0.998961 Incl. 107.9597 +0.1817674 +0.8045488An 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 2007 05 30 20 56.12 +10 50.8 5.498 5.861 106.1 9.6 16.4 2007 06 04 20 53.27 +11 33.5 5.425 5.859 110.6 9.3 16.3 2007 06 09 20 50.08 +12 15.1 5.355 5.857 115.0 9.0 16.3 2007 06 14 20 46.55 +12 55.3 5.291 5.855 119.3 8.7 16.3 2007 06 19 20 42.69 +13 33.9 5.231 5.854 123.5 8.3 16.3 2007 06 24 20 38.51 +14 10.5 5.178 5.853 127.5 7.9 16.2 2007 06 29 20 34.05 +14 44.8 5.131 5.852 131.3 7.5 16.2 2007 07 04 20 29.34 +15 16.6 5.091 5.851 134.8 7.1 16.2 2007 07 09 20 24.40 +15 45.6 5.058 5.851 137.8 6.7 16.2 2007 07 14 20 19.29 +16 11.5 5.033 5.850 140.2 6.4 16.2 2007 07 19 20 14.04 +16 34.2 5.015 5.850 142.1 6.1 16.2 2007 07 24 20 08.72 +16 53.5 5.006 5.850 143.1 6.0 16.2 2007 07 29 20 03.38 +17 09.5 5.005 5.851 143.3 6.0 16.2 2007 08 03 19 58.06 +17 22.0 5.012 5.851 142.6 6.0 16.2 2007 08 08 19 52.83 +17 31.2 5.027 5.852 141.2 6.2 16.2 2007 08 13 19 47.75 +17 37.1 5.050 5.853 139.0 6.5 16.2 2007 08 18 19 42.85 +17 40.1 5.080 5.854 136.3 6.9 16.2 2007 08 23 19 38.18 +17 40.3 5.117 5.856 133.2 7.2 16.2 2007 08 28 19 33.79 +17 38.1 5.161 5.857 129.6 7.6 16.2 2007 09 02 19 29.70 +17 33.8 5.211 5.859 125.9 8.0 16.3 2007 09 07 19 25.93 +17 27.6 5.266 5.861 121.9 8.4 16.3 2007 09 12 19 22.52 +17 20.1 5.326 5.863 117.8 8.7 16.3 2007 09 17 19 19.46 +17 11.4 5.390 5.866 113.6 9.0 16.3 2007 09 22 19 16.78 +17 02.1 5.458 5.869 109.4 9.3 16.4 2007 09 27 19 14.46 +16 52.4 5.528 5.871 105.2 9.5 16.4 2007 10 02 19 12.50 +16 42.6 5.601 5.875 101.0 9.6 16.4 2007 10 07 19 10.90 +16 33.0 5.675 5.878 96.8 9.7 16.5 2007 10 12 19 09.65 +16 23.8 5.751 5.881 92.6 9.8 16.5 2007 10 17 19 08.73 +16 15.4 5.826 5.885 88.5 9.7 16.5 2007 10 22 19 08.13 +16 07.9 5.901 5.889 84.5 9.7 16.6 2007 10 27 19 07.84 +16 01.6 5.976 5.893 80.5 9.6 16.6 2007 11 01 19 07.83 +15 56.6 6.049 5.898 76.6 9.4 16.6 2007 11 06 19 08.09 +15 53.0 6.120 5.902 72.8 9.2 16.6 2007 11 11 19 08.59 +15 51.1 6.188 5.907 69.1 9.0 16.7 2007 11 16 19 09.33 +15 50.9 6.254 5.912 65.5 8.8 16.7 2007 11 21 19 10.28 +15 52.5 6.316 5.917 62.0 8.5 16.7 2007 11 26 19 11.41 +15 56.0 6.375 5.923 58.7 8.2 16.7 2007 12 01 19 12.72 +16 01.5 6.430 5.928 55.6 7.9 16.8 2007 12 06 19 14.18 +16 09.1 6.480 5.934 52.6 7.6 16.8 2007 12 11 19 15.77 +16 18.8 6.527 5.940 49.9 7.3 16.8 2007 12 16 19 17.48 +16 30.8 6.568 5.946 47.4 7.0 16.8 2007 12 21 19 19.28 +16 44.9 6.604 5.953 45.3 6.7 16.8 2007 12 26 19 21.16 +17 01.3 6.635 5.960 43.4 6.5 16.9 2007 12 31 19 23.10 +17 20.0 6.662 5.966 41.9 6.3 16.9 2008 01 05 19 25.09 +17 41.0 6.683 5.973 40.8 6.2 16.9 2008 01 10 19 27.09 +18 04.4 6.698 5.981 40.2 6.1 16.9 2008 01 15 19 29.11 +18 30.1 6.709 5.988 40.0 6.1 16.9 2008 01 20 19 31.11 +18 58.2 6.714 5.996 40.2 6.1 16.9 2008 01 25 19 33.09 +19 28.6 6.714 6.004 40.8 6.2 16.9 2008 01 30 19 35.02 +20 01.3 6.709 6.012 41.9 6.3 16.9 2008 02 04 19 36.89 +20 36.4 6.700 6.020 43.3 6.4 16.9 2008 02 09 19 38.67 +21 13.8 6.685 6.028 45.0 6.6 16.9 2008 02 14 19 40.36 +21 53.4 6.667 6.037 47.0 6.9 16.9 2008 02 19 19 41.93 +22 35.3 6.644 6.046 49.3 7.1 16.9 2008 02 24 19 43.36 +23 19.4 6.617 6.055 51.8 7.4 16.9 2008 02 29 19 44.64 +24 05.5 6.587 6.064 54.4 7.6 16.9 2008 03 05 19 45.74 +24 53.7 6.553 6.073 57.2 7.9 16.9 2008 03 10 19 46.65 +25 43.9 6.517 6.083 60.1 8.1 16.9 2008 03 15 19 47.34 +26 35.8 6.478 6.092 63.0 8.4 16.9 2008 03 20 19 47.80 +27 29.5 6.438 6.102 66.1 8.6 16.9 2008 03 25 19 48.01 +28 24.7 6.395 6.112 69.2 8.8 16.9 2008 03 30 19 47.94 +29 21.3 6.352 6.123 72.3 8.9 16.9 2008 04 04 19 47.57 +30 19.0 6.308 6.133 75.4 9.1 16.9 2008 04 09 19 46.88 +31 17.7 6.263 6.144 78.6 9.2 16.9 2008 04 14 19 45.86 +32 17.1 6.219 6.155 81.7 9.3 16.9 2008 04 19 19 44.48 +33 16.8 6.176 6.165 84.7 9.3 16.9 2008 04 24 19 42.73 +34 16.6 6.134 6.177 87.7 9.4 16.8 2008 04 29 19 40.58 +35 16.1 6.093 6.188 90.7 9.4 16.8 2008 05 04 19 38.03 +36 14.9 6.055 6.199 93.5 9.3 16.8 2008 05 09 19 35.06 +37 12.6 6.019 6.211 96.3 9.3 16.8 2008 05 14 19 31.68 +38 08.8 5.986 6.223 98.9 9.2 16.8 2008 05 19 19 27.87 +39 02.8 5.957 6.235 101.3 9.2 16.8 2008 05 24 19 23.65 +39 54.4 5.931 6.247 103.6 9.1 16.8 2008 05 29 19 19.02 +40 43.1 5.910 6.259 105.6 9.0 16.8 2008 06 03 19 14.02 +41 28.3 5.892 6.272 107.5 8.9 16.8 2008 06 08 19 08.67 +42 09.7 5.880 6.285 109.0 8.8 16.8 2008 06 13 19 03.00 +42 46.7 5.872 6.297 110.3 8.7 16.8 2008 06 18 18 57.08 +43 19.1 5.869 6.310 111.4 8.6 16.8 2008 06 23 18 50.95 +43 46.7 5.871 6.324 112.1 8.6 16.9 2008 06 28 18 44.68 +44 09.1 5.878 6.337 112.5 8.5 16.9 2008 07 03 18 38.33 +44 26.4 5.890 6.350 112.6 8.5 16.9