110P/Hartley
Orbital Elements
The following orbital elements are taken from MPC 54167:
110P/Hartley
Epoch 2008 Jan. 15.0 TT = JDT 2454480.5
T 2008 Feb. 3.4876 TT MPC
q 2.488461 (2000.0) P Q
n 0.1431129 Peri. 167.8003 -0.1008138 -0.9760447
a 3.619792 Node 287.7458 +0.8949472 -0.0043065
e 0.312540 Incl. 11.6795 +0.4346332 -0.2175276
P 6.89
From 374 observations 1988-2002, mean residual 0".8. Nongravitational
parameters A1 = -0.93, A2 = -0.1020.
Elements are also available for the current standard epoch:
110P/Hartley Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2008 Feb. 3.1773 TT MPC q 2.487409 (2000.0) P Q n 0.1432203 Peri. 167.7069 -0.0990995 -0.9762199 a 3.617981 Node 287.7388 +0.8949648 -0.0027397 e 0.312487 Incl. 11.6791 +0.4349912 -0.2167652 P 6.88An 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 12 00.81 -14 40.4 3.130 3.582 108.4 15.6 20.1 21.6 2009 06 13 12 02.73 -14 33.0 3.211 3.596 104.1 15.9 20.2 21.7 2009 06 18 12 05.00 -14 28.3 3.293 3.611 100.0 16.1 20.3 21.7 2009 06 23 12 07.61 -14 26.5 3.377 3.625 95.9 16.2 20.4 21.8 2009 06 28 12 10.54 -14 27.2 3.461 3.639 91.9 16.2 20.5 21.9 2009 07 03 12 13.75 -14 30.5 3.545 3.653 88.0 16.1 20.6 21.9 2009 07 08 12 17.24 -14 36.2 3.629 3.667 84.1 16.0 20.7 22.0 2009 07 13 12 20.97 -14 44.2 3.713 3.681 80.3 15.8 20.8 22.0 2009 07 18 12 24.92 -14 54.3 3.796 3.695 76.6 15.5 20.9 22.1 2009 07 23 12 29.10 -15 06.4 3.878 3.708 72.9 15.2 21.0 22.1 2009 07 28 12 33.47 -15 20.4 3.959 3.722 69.2 14.8 21.1 22.2 2009 08 02 12 38.01 -15 36.1 4.038 3.736 65.6 14.3 21.2 22.2 2009 08 07 12 42.72 -15 53.4 4.115 3.749 62.1 13.8 21.3 22.2 2009 08 12 12 47.59 -16 12.2 4.191 3.763 58.6 13.3 21.4 22.3 2009 08 17 12 52.59 -16 32.2 4.264 3.776 55.1 12.7 21.5 22.3 2009 08 22 12 57.72 -16 53.5 4.334 3.790 51.6 12.1 21.5 22.3 2009 08 27 13 02.98 -17 15.9 4.401 3.803 48.2 11.4 21.6 22.3 2009 09 01 13 08.34 -17 39.3 4.466 3.816 44.8 10.7 21.7 22.3 2009 09 06 13 13.80 -18 03.4 4.527 3.829 41.4 10.0 21.8 22.3 2009 09 11 13 19.35 -18 28.4 4.585 3.842 38.0 9.3 21.8 22.3 2009 09 16 13 24.98 -18 53.9 4.640 3.855 34.7 8.5 21.9 22.3 2009 09 21 13 30.68 -19 20.0 4.690 3.868 31.3 7.8 22.0 22.3 2009 09 26 13 36.46 -19 46.6 4.737 3.881 28.0 7.0 22.0 22.3 2009 10 01 13 42.29 -20 13.5 4.780 3.894 24.8 6.2 22.1 22.3 2009 10 06 13 48.17 -20 40.6 4.819 3.907 21.6 5.4 22.2 22.3 2009 10 11 13 54.09 -21 07.9 4.853 3.919 18.5 4.6 22.2 22.3 2009 10 16 14 00.05 -21 35.3 4.883 3.932 15.5 3.9 22.3 2009 10 21 14 06.04 -22 02.7 4.909 3.944 12.7 3.2 22.3 2009 10 26 14 12.04 -22 30.0 4.930 3.957 10.4 2.6 22.2 2009 10 31 14 18.06 -22 57.2 4.947 3.969 8.9 2.2 22.2 2009 11 05 14 24.07 -23 24.2 4.958 3.981 8.7 2.2 22.2 2009 11 10 14 30.08 -23 50.9 4.965 3.993 9.8 2.4 22.3 2009 11 15 14 36.07 -24 17.3 4.968 4.005 12.0 2.9 22.3 2009 11 20 14 42.04 -24 43.3 4.965 4.017 14.7 3.6 22.3 2009 11 25 14 47.96 -25 08.8 4.958 4.029 17.7 4.3 22.4 2009 11 30 14 53.84 -25 33.9 4.946 4.041 21.0 5.0 22.4 2009 12 05 14 59.64 -25 58.4 4.929 4.052 24.4 5.8 22.5 2009 12 10 15 05.38 -26 22.4 4.908 4.064 27.9 6.5 22.5 2009 12 15 15 11.02 -26 45.7 4.883 4.076 31.5 7.2 22.5 2009 12 20 15 16.56 -27 08.5 4.852 4.087 35.1 8.0 22.5 2009 12 25 15 21.98 -27 30.6 4.818 4.098 38.8 8.7 22.6 2009 12 30 15 27.26 -27 52.1 4.779 4.110 42.6 9.3 22.6 2010 01 04 15 32.39 -28 12.8 4.737 4.121 46.4 10.0 22.6 2010 01 09 15 37.35 -28 32.9 4.691 4.132 50.3 10.5 22.6 2010 01 14 15 42.11 -28 52.3 4.641 4.143 54.2 11.1 22.6 2010 01 19 15 46.67 -29 10.9 4.588 4.154 58.2 11.6 22.6 2010 01 24 15 50.99 -29 28.9 4.532 4.164 62.2 12.1 22.6 2010 01 29 15 55.06 -29 46.2 4.473 4.175 66.3 12.5 22.6 2010 02 03 15 58.85 -30 02.7 4.412 4.186 70.4 12.8 22.6 2010 02 08 16 02.35 -30 18.5 4.348 4.196 74.6 13.1 22.6 2010 02 13 16 05.53 -30 33.6 4.284 4.207 78.9 13.3 22.6 2010 02 18 16 08.37 -30 47.9 4.217 4.217 83.2 13.5 22.5 2010 02 23 16 10.83 -31 01.4 4.151 4.227 87.7 13.5 22.5 2010 02 28 16 12.91 -31 14.1 4.083 4.237 92.1 13.5 22.5 2010 03 05 16 14.58 -31 25.9 4.016 4.247 96.7 13.4 22.4 2010 03 10 16 15.82 -31 36.8 3.950 4.257 101.3 13.2 22.4 2010 03 15 16 16.62 -31 46.7 3.884 4.267 106.0 12.9 22.4 2010 03 20 16 16.95 -31 55.4 3.821 4.277 110.8 12.6 22.3 2010 03 25 16 16.82 -32 02.8 3.760 4.287 115.7 12.1 22.3 2010 03 30 16 16.21 -32 08.9 3.701 4.296 120.6 11.5 22.2 2010 04 04 16 15.14 -32 13.5 3.646 4.306 125.6 10.9 22.2 2010 04 09 16 13.61 -32 16.3 3.595 4.315 130.7 10.1 22.1 2010 04 14 16 11.64 -32 17.4 3.549 4.324 135.8 9.3 22.0 2010 04 19 16 09.26 -32 16.4 3.507 4.333 140.9 8.4 22.0 2010 04 24 16 06.50 -32 13.3 3.472 4.343 146.1 7.4 21.9 2010 04 29 16 03.42 -32 08.0 3.442 4.352 151.2 6.4 21.9 2010 05 04 16 00.06 -32 00.5 3.419 4.360 156.2 5.3 21.8 2010 05 09 15 56.50 -31 50.7 3.402 4.369 161.0 4.3 21.7 2010 05 14 15 52.80 -31 38.6 3.393 4.378 165.2 3.4 21.7 2010 05 19 15 49.02 -31 24.6 3.391 4.386 168.2 2.7 21.6 2010 05 24 15 45.26 -31 08.6 3.397 4.395 168.9 2.5 21.6 2010 05 29 15 41.59 -30 51.1 3.410 4.403 167.0 3.0 21.7 2010 06 03 15 38.06 -30 32.2 3.430 4.412 163.3 3.8 21.8 2010 06 08 15 34.74 -30 12.4 3.458 4.420 158.9 4.7 21.8 2010 06 13 15 31.68 -29 52.0 3.492 4.428 154.1 5.8 21.9 2010 06 18 15 28.95 -29 31.4 3.533 4.436 149.1 6.8 22.0 2010 06 23 15 26.56 -29 10.9 3.581 4.444 144.0 7.7 22.1 2010 06 28 15 24.56 -28 50.9 3.634 4.452 139.0 8.6 22.1 2010 07 03 15 22.96 -28 31.6 3.692 4.459 134.0 9.4 22.2 2010 07 08 15 21.76 -28 13.3 3.756 4.467 129.1 10.2 22.3 2010 07 13 15 20.98 -27 56.2 3.823 4.474 124.2 10.8 22.3This 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.
