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 2009 June 18.0 TT = JDT 2455000.5 T 2010 Mar. 2.0144 TT MPC q 2.440529 (2000.0) P Q n 0.1451051 Peri. 196.5992 -0.0922209 +0.9815378 a 3.586584 Node 68.3597 -0.8918642 -0.0065870 e 0.319539 Incl. 10.3857 -0.4428019 -0.1911546 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! 2009 06 08 11 56.08 +10 37.0 2.591 2.904 97.5 20.3 14.0 19.4 2009 06 13 11 58.43 +09 58.5 2.643 2.890 93.6 20.5 14.0 19.4 2009 06 18 12 01.21 +09 17.8 2.694 2.876 89.8 20.7 14.0 19.5 2009 06 23 12 04.41 +08 35.1 2.745 2.861 86.1 20.8 14.0 19.5 2009 06 28 12 08.01 +07 50.5 2.797 2.847 82.5 20.7 14.0 19.5 2009 07 03 12 11.97 +07 04.2 2.847 2.834 78.9 20.6 14.1 19.6 2009 07 08 12 16.28 +06 16.4 2.897 2.820 75.5 20.4 14.1 19.6 2009 07 13 12 20.90 +05 27.3 2.946 2.806 72.1 20.2 14.1 19.6 2009 07 18 12 25.83 +04 36.9 2.993 2.793 68.9 19.8 14.1 19.6 2009 07 23 12 31.04 +03 45.3 3.040 2.779 65.6 19.5 14.1 19.6 2009 07 28 12 36.53 +02 52.8 3.084 2.766 62.5 19.0 14.1 19.6 2009 08 02 12 42.27 +01 59.3 3.127 2.753 59.4 18.5 14.1 19.6 2009 08 07 12 48.25 +01 05.1 3.169 2.740 56.4 17.9 14.1 19.6 2009 08 12 12 54.45 +00 10.2 3.208 2.727 53.4 17.3 14.1 19.6 2009 08 17 13 00.88 -00 45.3 3.246 2.715 50.4 16.7 14.1 19.6 2009 08 22 13 07.52 -01 41.3 3.281 2.702 47.5 16.0 14.1 19.6 2009 08 27 13 14.36 -02 37.6 3.314 2.690 44.6 15.3 14.0 19.6 2009 09 01 13 21.39 -03 34.2 3.345 2.678 41.8 14.5 14.0 19.6 2009 09 06 13 28.62 -04 30.9 3.374 2.667 39.0 13.8 14.0 19.6 2009 09 11 13 36.02 -05 27.6 3.400 2.655 36.2 12.9 14.0 19.5 2009 09 16 13 43.60 -06 24.2 3.424 2.644 33.4 12.1 14.0 19.5 2009 09 21 13 51.36 -07 20.7 3.446 2.633 30.7 11.2 14.0 19.5 2009 09 26 13 59.29 -08 16.8 3.465 2.622 28.0 10.3 14.0 19.5 2009 10 01 14 07.39 -09 12.5 3.482 2.611 25.3 9.4 14.0 19.4 2009 10 06 14 15.65 -10 07.7 3.496 2.601 22.6 8.5 13.9 19.4 2009 10 11 14 24.06 -11 02.1 3.507 2.591 19.9 7.5 13.9 19.3 2009 10 16 14 32.64 -11 55.8 3.516 2.581 17.2 6.6 13.9 19.3 2009 10 21 14 41.38 -12 48.6 3.523 2.571 14.6 5.6 13.9 19.2 2009 10 26 14 50.27 -13 40.4 3.527 2.562 11.9 4.6 13.9 19.2 2009 10 31 14 59.30 -14 30.9 3.528 2.553 9.3 3.6 13.8 19.1 2009 11 05 15 08.48 -15 20.2 3.527 2.545 6.7 2.6 13.8 19.0 2009 11 10 15 17.80 -16 08.1 3.523 2.536 4.3 1.7 13.8 19.0 2009 11 15 15 27.26 -16 54.5 3.516 2.528 2.2 0.8 13.8 18.9 2009 11 20 15 36.85 -17 39.2 3.507 2.520 2.3 0.9 13.7 18.9 2009 11 25 15 46.57 -18 22.2 3.496 2.513 4.4 1.7 13.7 18.9 2009 11 30 15 56.40 -19 03.3 3.482 2.506 6.9 2.7 13.7 19.0 2009 12 05 16 06.34 -19 42.4 3.466 2.499 9.5 3.7 13.7 19.0 2009 12 10 16 16.39 -20 19.6 3.447 2.493 12.1 4.8 13.6 19.1 2009 12 15 16 26.52 -20 54.6 3.426 2.487 14.8 5.8 13.6 19.1 2009 12 20 16 36.74 -21 27.4 3.402 2.481 17.4 6.8 13.6 19.1 2009 12 25 16 47.03 -21 57.9 3.376 2.476 20.1 7.8 13.5 19.2 2009 12 30 16 57.38 -22 26.1 3.348 2.471 22.7 8.8 13.5 19.2 2010 01 04 17 07.77 -22 52.0 3.318 2.466 25.4 9.8 13.5 19.2 2010 01 09 17 18.19 -23 15.5 3.286 2.462 28.1 10.8 13.5 19.2 2010 01 14 17 28.63 -23 36.7 3.251 2.458 30.7 11.8 13.4 19.2 2010 01 19 17 39.06 -23 55.5 3.215 2.454 33.4 12.8 13.4 19.2 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 17.7This 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.
