65P/Gunn
Orbital Elements
The following orbital elements are taken from MPC 59598:
65P/Gunn
Epoch 2010 Feb. 13.0 TT = JDT 2455240.5
T 2010 Mar. 2.1368 TT MPC
q 2.440362 (2000.0) P Q
n 0.1451715 Peri. 196.6361 -0.0916388 +0.9815906
a 3.585490 Node 68.3569 -0.8918622 -0.0060509
e 0.319378 Incl. 10.3865 -0.4429268 -0.1909011
P 6.79
From 1293 observations 1981-2007, mean residual 0".9. Nongravitational
parameters A1 = +2.07, A2 = +0.2861.
Elements are also available for the current standard epoch:
65P/Gunn Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2010 Mar. 2.1224 TT MPC q 2.440370 (2000.0) P Q n 0.1451674 Peri. 196.6319 -0.0917115 +0.9815840 a 3.585557 Node 68.3568 -0.8918618 -0.0061174 e 0.319389 Incl. 10.3865 -0.4429125 -0.1909332 P 6.79An 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 17 49.48 -24 12.0 3.176 2.451 36.1 13.7 13.4 19.2 2010 01 29 17 59.86 -24 26.2 3.136 2.449 38.9 14.6 13.3 19.2 2010 02 03 18 10.20 -24 38.3 3.094 2.446 41.6 15.5 13.3 19.2 2010 02 08 18 20.46 -24 48.2 3.051 2.444 44.3 16.4 13.2 19.2 2010 02 13 18 30.64 -24 56.1 3.005 2.443 47.1 17.2 13.2 19.2 2010 02 18 18 40.72 -25 02.2 2.958 2.442 49.9 18.0 13.2 19.2 2010 02 23 18 50.66 -25 06.5 2.910 2.441 52.7 18.8 13.1 19.2 2010 02 28 19 00.46 -25 09.3 2.861 2.440 55.5 19.5 13.1 19.2 2010 03 05 19 10.10 -25 10.6 2.810 2.440 58.4 20.2 13.1 19.2 2010 03 10 19 19.57 -25 10.8 2.758 2.441 61.2 20.9 13.0 19.2 2010 03 15 19 28.83 -25 10.0 2.705 2.442 64.2 21.5 13.0 19.1 2010 03 20 19 37.87 -25 08.5 2.651 2.443 67.1 22.1 12.9 19.1 2010 03 25 19 46.66 -25 06.5 2.597 2.444 70.1 22.6 12.9 19.1 2010 03 30 19 55.20 -25 04.3 2.542 2.446 73.1 23.0 12.9 19.1 2010 04 04 20 03.45 -25 02.1 2.486 2.449 76.2 23.4 12.8 19.0 2010 04 09 20 11.41 -25 00.2 2.430 2.452 79.4 23.7 12.8 19.0 2010 04 14 20 19.03 -24 59.0 2.374 2.455 82.6 23.9 12.7 18.9 2010 04 19 20 26.30 -24 58.7 2.318 2.458 85.8 24.0 12.7 18.9 2010 04 24 20 33.19 -24 59.6 2.262 2.462 89.2 24.1 12.6 18.9 2010 04 29 20 39.68 -25 02.0 2.206 2.467 92.6 24.1 12.6 18.8 2010 05 04 20 45.73 -25 06.3 2.151 2.471 96.1 23.9 12.6 18.7 2010 05 09 20 51.33 -25 12.8 2.097 2.476 99.7 23.7 12.5 18.7 2010 05 14 20 56.43 -25 21.6 2.044 2.482 103.4 23.3 12.5 18.6 2010 05 19 21 00.99 -25 33.2 1.992 2.487 107.3 22.9 12.4 18.6 2010 05 24 21 05.00 -25 47.6 1.942 2.494 111.2 22.2 12.4 18.5 2010 05 29 21 08.41 -26 05.0 1.894 2.500 115.2 21.5 12.4 18.4 2010 06 03 21 11.20 -26 25.5 1.848 2.507 119.4 20.6 12.3 18.3 2010 06 08 21 13.33 -26 49.2 1.805 2.514 123.7 19.6 12.3 18.3 2010 06 13 21 14.77 -27 16.0 1.765 2.521 128.1 18.5 12.3 18.2 2010 06 18 21 15.50 -27 45.6 1.728 2.529 132.7 17.2 12.2 18.1 2010 06 23 21 15.53 -28 17.6 1.695 2.537 137.3 15.8 12.2 18.0 2010 06 28 21 14.85 -28 51.5 1.667 2.546 142.0 14.2 12.2 17.9 2010 07 03 21 13.48 -29 26.7 1.643 2.554 146.7 12.6 12.2 17.9 2010 07 08 21 11.46 -30 02.5 1.624 2.563 151.4 11.0 12.2 17.8 2010 07 13 21 08.84 -30 37.9 1.611 2.573 155.9 9.3 12.2 17.7 2010 07 18 21 05.71 -31 11.9 1.604 2.582 160.0 7.7 12.2 17.6 2010 07 23 21 02.19 -31 43.7 1.603 2.592 163.3 6.5 12.2 17.6 2010 07 28 20 58.39 -32 12.2 1.608 2.602 165.2 5.7 12.3 17.6 2010 08 02 20 54.45 -32 36.9 1.619 2.613 165.2 5.7 12.3 17.6 2010 08 07 20 50.50 -32 57.2 1.636 2.623 163.2 6.4 12.4 17.7 2010 08 12 20 46.71 -33 12.5 1.660 2.634 159.8 7.6 12.4 17.7 2010 08 17 20 43.20 -33 22.7 1.689 2.645 155.7 9.0 12.5 17.9 2010 08 22 20 40.09 -33 27.9 1.725 2.657 151.3 10.5 12.5 18.0 2010 08 27 20 37.49 -33 28.2 1.766 2.668 146.7 12.0 12.6 18.1 2010 09 01 20 35.46 -33 24.0 1.812 2.680 142.0 13.4 12.7 18.2 2010 09 06 20 34.05 -33 15.5 1.862 2.692 137.3 14.7 12.8 18.3 2010 09 11 20 33.30 -33 03.2 1.918 2.704 132.7 15.9 12.9 18.4 2010 09 16 20 33.22 -32 47.5 1.977 2.717 128.2 16.9 13.0 18.5 2010 09 21 20 33.80 -32 28.7 2.040 2.729 123.8 17.8 13.1 18.7 2010 09 26 20 35.02 -32 07.2 2.106 2.742 119.5 18.6 13.2 18.8 2010 10 01 20 36.85 -31 43.4 2.175 2.755 115.2 19.2 13.3 18.9 2010 10 06 20 39.26 -31 17.4 2.246 2.768 111.1 19.7 13.4 19.0 2010 10 11 20 42.21 -30 49.5 2.320 2.781 107.0 20.1 13.5 19.1 2010 10 16 20 45.66 -30 19.8 2.395 2.794 103.0 20.3 13.6 19.1 2010 10 21 20 49.56 -29 48.6 2.472 2.808 99.1 20.5 13.7 19.2 2010 10 26 20 53.88 -29 15.9 2.550 2.822 95.3 20.5 13.8 19.3 2010 10 31 20 58.57 -28 41.9 2.629 2.835 91.6 20.5 13.9 19.4 2010 11 05 21 03.60 -28 06.6 2.708 2.849 87.9 20.4 14.0 19.4 2010 11 10 21 08.93 -27 30.0 2.788 2.863 84.3 20.1 14.1 19.5 2010 11 15 21 14.53 -26 52.2 2.867 2.878 80.7 19.8 14.2 19.6 2010 11 20 21 20.36 -26 13.4 2.946 2.892 77.2 19.5 14.3 19.6 2010 11 25 21 26.40 -25 33.5 3.025 2.906 73.7 19.0 14.4 19.7 2010 11 30 21 32.62 -24 52.7 3.103 2.921 70.2 18.5 14.4 19.7 2010 12 05 21 38.99 -24 10.9 3.179 2.935 66.8 18.0 14.5 19.8 2010 12 10 21 45.51 -23 28.2 3.255 2.950 63.5 17.4 14.6 19.8 2010 12 15 21 52.13 -22 44.6 3.329 2.965 60.1 16.7 14.7 19.9 2010 12 20 21 58.85 -22 00.3 3.402 2.979 56.8 16.0 14.8 19.9 2010 12 25 22 05.65 -21 15.3 3.472 2.994 53.5 15.3 14.8 19.9 2010 12 30 22 12.51 -20 29.7 3.541 3.009 50.3 14.6 14.9 20.0 2011 01 04 22 19.42 -19 43.5 3.607 3.024 47.0 13.8 15.0 20.0 2011 01 09 22 26.37 -18 56.8 3.671 3.039 43.8 12.9 15.1 20.0 2011 01 14 22 33.34 -18 09.6 3.733 3.054 40.6 12.1 15.1 20.0 2011 01 19 22 40.34 -17 22.2 3.791 3.069 37.5 11.2 15.2 20.0 2011 01 24 22 47.34 -16 34.4 3.847 3.084 34.3 10.4 15.3 20.0 2011 01 29 22 54.33 -15 46.5 3.899 3.100 31.2 9.5 15.3 20.0 2011 02 03 23 01.33 -14 58.4 3.949 3.115 28.1 8.6 15.4 20.0 2011 02 08 23 08.31 -14 10.3 3.995 3.130 25.1 7.7 15.4 20.0 2011 02 13 23 15.27 -13 22.3 4.038 3.145 22.1 6.8 15.5 20.0 2011 02 18 23 22.20 -12 34.4 4.078 3.161 19.2 5.9 15.5 20.0 2011 02 23 23 29.09 -11 46.7 4.113 3.176 16.3 5.0 15.6 20.0 2011 02 28 23 35.95 -10 59.4 4.146 3.191 13.6 4.2 15.6 20.0This 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.
