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 2010 Jan. 4.0 TT = JDT 2455200.5 T 2008 Feb. 3.0771 TT MPC q 2.486213 (2000.0) P Q n 0.1432858 Peri. 167.6596 -0.0981290 -0.9763139 a 3.616878 Node 287.7292 +0.8949807 -0.0018475 e 0.312608 Incl. 11.6797 +0.4351783 -0.2163510 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 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 22.3 2010 07 18 15 20.62 -27 40.5 3.895 4.482 119.4 11.4 22.4 2010 07 23 15 20.67 -27 26.3 3.969 4.489 114.7 11.9 22.5 2010 07 28 15 21.12 -27 13.6 4.046 4.496 110.0 12.3 22.5 2010 08 02 15 21.96 -27 02.6 4.126 4.503 105.4 12.5 22.6 2010 08 07 15 23.17 -26 53.1 4.207 4.510 100.9 12.8 22.6 2010 08 12 15 24.74 -26 45.3 4.289 4.517 96.5 12.9 22.7 2010 08 17 15 26.65 -26 38.9 4.372 4.524 92.1 12.9 22.7 2010 08 22 15 28.88 -26 34.1 4.455 4.531 87.8 12.9 22.8 2010 08 27 15 31.42 -26 30.6 4.538 4.537 83.6 12.8 22.8 2010 09 01 15 34.24 -26 28.4 4.620 4.544 79.4 12.6 22.9 2010 09 06 15 37.34 -26 27.4 4.702 4.550 75.2 12.4 22.9 2010 09 11 15 40.69 -26 27.5 4.781 4.556 71.1 12.1 22.9 2010 09 16 15 44.29 -26 28.6 4.859 4.563 67.1 11.7 22.9 2010 09 21 15 48.10 -26 30.5 4.935 4.569 63.1 11.3 23.0 2010 09 26 15 52.12 -26 33.2 5.008 4.575 59.1 10.8 23.0 2010 10 01 15 56.33 -26 36.6 5.079 4.581 55.1 10.3 23.0 2010 10 06 16 00.73 -26 40.5 5.146 4.586 51.2 9.8 23.0 2010 10 11 16 05.28 -26 44.8 5.210 4.592 47.3 9.2 23.0 2010 10 16 16 09.99 -26 49.5 5.270 4.598 43.5 8.6 23.0 2010 10 21 16 14.84 -26 54.4 5.326 4.603 39.6 7.9 23.0 2010 10 26 16 19.81 -26 59.4 5.378 4.608 35.8 7.2 23.0 2010 10 31 16 24.89 -27 04.5 5.426 4.614 32.0 6.5 23.0 2010 11 05 16 30.07 -27 09.6 5.469 4.619 28.2 5.8 23.0 2010 11 10 16 35.34 -27 14.7 5.508 4.624 24.4 5.1 23.0 2010 11 15 16 40.68 -27 19.5 5.542 4.629 20.6 4.3 22.9 2010 11 20 16 46.08 -27 24.1 5.570 4.634 16.9 3.6 22.9 2010 11 25 16 51.53 -27 28.5 5.594 4.639 13.3 2.8 22.9 2010 11 30 16 57.02 -27 32.5 5.612 4.643 9.8 2.1 22.8This 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.
