P/2008 J3 (McNaught)
Orbital Elements
The following orbital elements are taken from MPC 67971:P/2008 J3 (McNaught) Epoch 2009 Mar. 30.0 TT = JDT 2454920.5 T 2009 Mar. 10.7357 TT MPC q 2.287076 (2000.0) P Q n 0.1283603 Peri. 4.4132 +0.9704227 -0.2299771 a 3.892084 Node 9.8557 +0.2062824 +0.6319444 e 0.412378 Incl. 25.3998 +0.1254091 +0.7401059 P 7.68 From 188 observations 2008 May 10-2009 Dec. 25, mean residual 0".7.Elements are also available for the current standard epoch:
P/2008 J3 (McNaught) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 Mar. 10.8271 TT MPC q 2.287353 (2000.0) P Q n 0.1283077 Peri. 4.4477 +0.9702977 -0.2305120 a 3.893147 Node 9.8525 +0.2066128 +0.6318422 e 0.412467 Incl. 25.3991 +0.1258314 +0.7400267 P 7.68An 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! 2010 01 24 05 50.10 +57 43.9 2.385 3.134 132.4 13.4 18.8 2010 01 29 05 47.19 +57 04.9 2.440 3.153 129.0 14.1 18.9 2010 02 03 05 45.33 +56 23.5 2.499 3.173 125.4 14.7 19.0 2010 02 08 05 44.47 +55 40.4 2.562 3.193 121.7 15.2 19.1 2010 02 13 05 44.57 +54 56.6 2.629 3.213 118.0 15.8 19.2 2010 02 18 05 45.57 +54 12.4 2.699 3.232 114.2 16.2 19.3 2010 02 23 05 47.39 +53 28.5 2.773 3.252 110.4 16.6 19.3 2010 02 28 05 49.96 +52 45.2 2.848 3.272 106.6 16.9 19.4 2010 03 05 05 53.19 +52 02.7 2.926 3.291 102.8 17.1 19.5 2010 03 10 05 57.02 +51 21.1 3.006 3.311 99.1 17.2 19.6 2010 03 15 06 01.39 +50 40.5 3.086 3.331 95.4 17.3 19.7 2010 03 20 06 06.24 +50 00.9 3.168 3.351 91.8 17.3 19.8 2010 03 25 06 11.50 +49 22.2 3.251 3.370 88.2 17.2 19.8 2010 03 30 06 17.13 +48 44.6 3.334 3.390 84.7 17.1 19.9 2010 04 04 06 23.08 +48 07.8 3.417 3.409 81.2 16.8 20.0 2010 04 09 06 29.30 +47 31.7 3.499 3.429 77.7 16.6 20.1 2010 04 14 06 35.76 +46 56.2 3.581 3.448 74.3 16.3 20.1 2010 04 19 06 42.43 +46 21.4 3.662 3.468 71.0 15.9 20.2 2010 04 24 06 49.27 +45 47.0 3.743 3.487 67.7 15.5 20.3 2010 04 29 06 56.25 +45 13.0 3.821 3.507 64.5 15.0 20.4 2010 05 04 07 03.35 +44 39.3 3.898 3.526 61.3 14.5 20.4 2010 05 09 07 10.54 +44 05.8 3.974 3.545 58.1 14.0 20.5 2010 05 14 07 17.80 +43 32.4 4.047 3.565 55.0 13.4 20.6 2010 05 19 07 25.13 +42 59.2 4.119 3.584 51.9 12.8 20.6 2010 05 24 07 32.49 +42 26.0 4.187 3.603 48.9 12.2 20.7 2010 05 29 07 39.86 +41 52.8 4.254 3.622 45.9 11.6 20.7 2010 06 03 07 47.25 +41 19.6 4.317 3.641 43.0 10.9 20.8 2010 06 08 07 54.62 +40 46.4 4.378 3.660 40.1 10.3 20.8 2010 06 13 08 01.98 +40 13.1 4.436 3.679 37.2 9.6 20.9 2010 06 18 08 09.32 +39 39.8 4.490 3.698 34.5 9.0 20.9 2010 06 23 08 16.61 +39 06.4 4.541 3.717 31.8 8.3 21.0 2010 06 28 08 23.86 +38 33.1 4.589 3.735 29.2 7.6 21.0 2010 07 03 08 31.05 +37 59.7 4.633 3.754 26.8 7.0 21.1 2010 07 08 08 38.18 +37 26.4 4.674 3.772 24.5 6.4 21.1 2010 07 13 08 45.24 +36 53.1 4.711 3.791 22.4 5.9 21.2 2010 07 18 08 52.23 +36 19.9 4.744 3.809 20.6 5.4 21.2 2010 07 23 08 59.14 +35 47.0 4.773 3.828 19.2 5.0 21.2 2010 07 28 09 05.95 +35 14.2 4.797 3.846 18.2 4.7 21.3 2010 08 02 09 12.68 +34 41.6 4.818 3.864 17.7 4.6 21.3 2010 08 07 09 19.31 +34 09.4 4.835 3.882 17.8 4.6 21.3 2010 08 12 09 25.84 +33 37.6 4.848 3.900 18.5 4.7 21.3 2010 08 17 09 32.26 +33 06.2 4.856 3.918 19.7 5.0 21.4 2010 08 22 09 38.57 +32 35.4 4.860 3.936 21.4 5.4 21.4 2010 08 27 09 44.76 +32 05.2 4.860 3.954 23.5 5.8 21.4 2010 09 01 09 50.83 +31 35.8 4.855 3.971 25.8 6.4 21.4 2010 09 06 09 56.77 +31 07.1 4.847 3.989 28.4 6.9 21.4 2010 09 11 10 02.57 +30 39.3 4.834 4.006 31.1 7.5 21.4 2010 09 16 10 08.23 +30 12.5 4.817 4.024 34.1 8.0 21.5 2010 09 21 10 13.74 +29 46.8 4.796 4.041 37.1 8.6 21.5 2010 09 26 10 19.09 +29 22.2 4.771 4.058 40.3 9.2 21.5 2010 10 01 10 24.27 +28 59.0 4.742 4.075 43.6 9.8 21.5 2010 10 06 10 29.28 +28 37.2 4.709 4.092 47.0 10.3 21.5 2010 10 11 10 34.10 +28 16.9 4.672 4.109 50.4 10.8 21.5 2010 10 16 10 38.73 +27 58.3 4.632 4.126 54.0 11.3 21.5 2010 10 21 10 43.14 +27 41.4 4.589 4.143 57.7 11.7 21.5 2010 10 26 10 47.33 +27 26.5 4.543 4.159 61.4 12.1 21.5 2010 10 31 10 51.28 +27 13.4 4.494 4.176 65.2 12.5 21.5 2010 11 05 10 54.98 +27 02.5 4.442 4.192 69.1 12.8 21.5 2010 11 10 10 58.41 +26 53.8 4.389 4.209 73.1 13.0 21.5 2010 11 15 11 01.55 +26 47.4 4.333 4.225 77.2 13.2 21.4 2010 11 20 11 04.38 +26 43.4 4.276 4.241 81.3 13.3 21.4 2010 11 25 11 06.89 +26 41.8 4.218 4.257 85.6 13.4 21.4 2010 11 30 11 09.06 +26 42.7 4.159 4.273 89.9 13.3 21.4 2010 12 05 11 10.86 +26 46.1 4.100 4.289 94.4 13.2 21.4 2010 12 10 11 12.28 +26 52.1 4.042 4.305 98.9 13.1 21.4 2010 12 15 11 13.29 +27 00.4 3.984 4.321 103.5 12.8 21.4 2010 12 20 11 13.88 +27 11.2 3.928 4.336 108.2 12.5 21.3 2010 12 25 11 14.03 +27 24.1 3.874 4.352 112.9 12.0 21.3 2010 12 30 11 13.74 +27 39.1 3.822 4.367 117.7 11.5 21.3 2011 01 04 11 12.99 +27 55.9 3.774 4.382 122.6 10.9 21.3 2011 01 09 11 11.78 +28 14.1 3.730 4.398 127.5 10.2 21.3 2011 01 14 11 10.11 +28 33.4 3.690 4.413 132.4 9.5 21.3 2011 01 19 11 08.00 +28 53.3 3.655 4.428 137.2 8.7 21.3 2011 01 24 11 05.47 +29 13.4 3.626 4.443 141.9 7.9 21.3 2011 01 29 11 02.55 +29 33.1 3.603 4.457 146.5 7.0 21.3 2011 02 03 10 59.27 +29 52.0 3.587 4.472 150.7 6.2 21.3 2011 02 08 10 55.69 +30 09.5 3.577 4.487 154.3 5.5 21.3 2011 02 13 10 51.88 +30 25.0 3.575 4.501 157.1 4.9 21.3 2011 02 18 10 47.89 +30 38.1 3.581 4.515 158.7 4.6 21.3 2011 02 23 10 43.80 +30 48.4 3.594 4.530 158.7 4.5 21.3 2011 02 28 10 39.69 +30 55.7 3.614 4.544 157.3 4.8 21.4This 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.
