MPC
CBAT
ICQ
C/2005 S4 (McNaught) Epoch 2007 June 29.0 TT = JDT 2454280.5 T 2007 July 18.6747 TT MPC q 5.850099 (2000.0) P Q z +0.000178 Peri. 31.4567 +0.5297525 -0.5645768 +/-0.000002 Node 318.2902 -0.8284134 -0.1843639 e 0.998957 Incl. 107.9586 +0.1819162 +0.8045265 From 358 observations 2005 July 27-2007 Aug. 21, mean residual 0".6.Elements are also available for the current standard epoch:
C/2005 S4 (McNaught) Epoch 2008 May 14.0 TT = JDT 2454600.5 T 2007 July 19.0815 TT MPC q 5.850617 (2000.0) P Q z +0.000226 Peri. 31.4994 +0.5293393 -0.5649912 +/-0.000002 Node 318.2916 -0.8285462 -0.1837720 e 0.998678 Incl. 107.9603 +0.1825133 +0.8043711An 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 19 45.86 +32 17.2 6.219 6.154 81.7 9.3 16.9 2008 04 19 19 44.48 +33 16.9 6.176 6.165 84.7 9.3 16.9 2008 04 24 19 42.72 +34 16.7 6.134 6.177 87.7 9.4 16.8 2008 04 29 19 40.58 +35 16.2 6.093 6.188 90.7 9.4 16.8 2008 05 04 19 38.03 +36 15.0 6.055 6.199 93.5 9.3 16.8 2008 05 09 19 35.06 +37 12.7 6.019 6.211 96.3 9.3 16.8 2008 05 14 19 31.67 +38 08.8 5.986 6.223 98.9 9.2 16.8 2008 05 19 19 27.86 +39 02.9 5.957 6.235 101.3 9.2 16.8 2008 05 24 19 23.64 +39 54.5 5.931 6.247 103.6 9.1 16.8 2008 05 29 19 19.02 +40 43.2 5.910 6.259 105.6 9.0 16.8 2008 06 03 19 14.02 +41 28.4 5.892 6.272 107.5 8.9 16.8 2008 06 08 19 08.66 +42 09.7 5.880 6.285 109.0 8.8 16.8 2008 06 13 19 03.00 +42 46.8 5.872 6.297 110.3 8.7 16.8 2008 06 18 18 57.07 +43 19.2 5.869 6.310 111.4 8.6 16.8 2008 06 23 18 50.94 +43 46.7 5.871 6.323 112.1 8.6 16.9 2008 06 28 18 44.67 +44 09.2 5.878 6.337 112.5 8.5 16.9 2008 07 03 18 38.32 +44 26.5 5.890 6.350 112.6 8.5 16.9 2008 07 08 18 31.97 +44 38.5 5.908 6.364 112.3 8.5 16.9 2008 07 13 18 25.68 +44 45.3 5.930 6.378 111.8 8.5 16.9 2008 07 18 18 19.54 +44 47.2 5.956 6.391 111.0 8.5 16.9 2008 07 23 18 13.59 +44 44.3 5.988 6.406 109.9 8.6 17.0 2008 07 28 18 07.90 +44 37.1 6.023 6.420 108.6 8.6 17.0 2008 08 02 18 02.51 +44 25.8 6.062 6.434 107.1 8.7 17.0 2008 08 07 17 57.48 +44 10.8 6.105 6.449 105.4 8.7 17.0 2008 08 12 17 52.83 +43 52.7 6.152 6.463 103.5 8.8 17.0 2008 08 17 17 48.58 +43 32.0 6.201 6.478 101.4 8.8 17.1 2008 08 22 17 44.76 +43 09.1 6.253 6.493 99.3 8.8 17.1 2008 08 27 17 41.36 +42 44.4 6.306 6.508 97.0 8.9 17.1 2008 09 01 17 38.39 +42 18.4 6.362 6.523 94.7 8.9 17.2 2008 09 06 17 35.85 +41 51.6 6.419 6.539 92.4 8.9 17.2 2008 09 11 17 33.73 +41 24.4 6.477 6.554 90.0 8.8 17.2 2008 09 16 17 32.01 +40 57.2 6.535 6.570 87.6 8.8 17.3 2008 09 21 17 30.67 +40 30.3 6.593 6.585 85.2 8.7 17.3 2008 09 26 17 29.70 +40 04.0 6.651 6.601 82.8 8.7 17.3 2008 10 01 17 29.08 +39 38.6 6.709 6.617 80.5 8.6 17.3 2008 10 06 17 28.79 +39 14.4 6.765 6.633 78.2 8.5 17.4 2008 10 11 17 28.80 +38 51.7 6.820 6.650 76.0 8.4 17.4 2008 10 16 17 29.10 +38 30.7 6.873 6.666 73.9 8.3 17.4 2008 10 21 17 29.66 +38 11.5 6.925 6.683 71.9 8.1 17.5 2008 10 26 17 30.46 +37 54.3 6.974 6.699 70.0 8.0 17.5 2008 10 31 17 31.49 +37 39.3 7.020 6.716 68.3 7.9 17.5 2008 11 05 17 32.71 +37 26.6 7.064 6.733 66.6 7.8 17.5 2008 11 10 17 34.11 +37 16.3 7.105 6.750 65.2 7.7 17.6 2008 11 15 17 35.66 +37 08.6 7.143 6.767 63.9 7.5 17.6 2008 11 20 17 37.36 +37 03.5 7.178 6.784 62.9 7.4 17.6 2008 11 25 17 39.17 +37 01.2 7.209 6.802 62.0 7.4 17.6 2008 11 30 17 41.08 +37 01.5 7.237 6.819 61.3 7.3 17.6 2008 12 05 17 43.07 +37 04.8 7.261 6.837 60.9 7.2 17.7 2008 12 10 17 45.12 +37 10.9 7.282 6.854 60.7 7.2 17.7 2008 12 15 17 47.20 +37 19.9 7.300 6.872 60.7 7.2 17.7 2008 12 20 17 49.31 +37 31.9 7.314 6.890 61.0 7.2 17.7 2008 12 25 17 51.42 +37 46.8 7.324 6.908 61.4 7.2 17.7 2008 12 30 17 53.51 +38 04.6 7.332 6.926 62.1 7.2 17.7 2009 01 04 17 55.57 +38 25.4 7.336 6.945 63.0 7.2 17.7 2009 01 09 17 57.56 +38 49.1 7.337 6.963 64.0 7.3 17.8 2009 01 14 17 59.48 +39 15.6 7.336 6.981 65.2 7.3 17.8 2009 01 19 18 01.30 +39 45.0 7.332 7.000 66.6 7.4 17.8 2009 01 24 18 03.00 +40 17.1 7.326 7.019 68.1 7.5 17.8 2009 01 29 18 04.56 +40 51.8 7.317 7.037 69.8 7.5 17.8 2009 02 03 18 05.95 +41 29.1 7.307 7.056 71.5 7.6 17.8 2009 02 08 18 07.16 +42 08.9 7.295 7.075 73.3 7.7 17.8 2009 02 13 18 08.16 +42 50.9 7.282 7.094 75.2 7.7 17.8 2009 02 18 18 08.92 +43 35.0 7.268 7.113 77.1 7.8 17.8 2009 02 23 18 09.43 +44 21.0 7.254 7.133 79.1 7.8 17.8 2009 02 28 18 09.65 +45 08.7 7.239 7.152 81.0 7.9 17.8 2009 03 05 18 09.57 +45 57.9 7.225 7.171 83.0 7.9 17.9 2009 03 10 18 09.15 +46 48.3 7.211 7.191 84.9 7.9 17.9 2009 03 15 18 08.37 +47 39.6 7.197 7.210 86.8 7.9 17.9 2009 03 20 18 07.21 +48 31.4 7.185 7.230 88.6 7.9 17.9 2009 03 25 18 05.63 +49 23.5 7.175 7.250 90.4 7.9 17.9 2009 03 30 18 03.63 +50 15.5 7.166 7.270 92.0 7.9 17.9 2009 04 04 18 01.17 +51 06.9 7.159 7.290 93.6 7.9 17.9 2009 04 09 17 58.25 +51 57.2 7.154 7.310 95.0 7.8 17.9 2009 04 14 17 54.84 +52 46.2 7.152 7.330 96.3 7.8 17.9 2009 04 19 17 50.95 +53 33.4 7.153 7.350 97.4 7.8 17.9 2009 04 24 17 46.58 +54 18.2 7.156 7.370 98.4 7.8 17.9 2009 04 29 17 41.73 +55 00.2 7.163 7.391 99.2 7.7 18.0 2009 05 04 17 36.42 +55 39.1 7.172 7.411 99.8 7.7 18.0 2009 05 09 17 30.69 +56 14.3 7.185 7.432 100.2 7.7 18.0 2009 05 14 17 24.57 +56 45.6 7.202 7.452 100.5 7.7 18.0 2009 05 19 17 18.13 +57 12.6 7.221 7.473 100.5 7.6 18.0
