85P/Boethin
Orbital Elements
The following orbital elements are taken from MPC 54171:85P/Boethin Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 T 2008 Dec. 16.3648 TT MPC q 1.147474 (2000.0) P Q n 0.0854166 Peri. 53.5814 +0.7976724 -0.6027272 a 5.106319 Node 343.4512 +0.5271172 +0.7136402 e 0.775283 Incl. 4.2171 +0.2930295 +0.3569840 P 11.5 From 44 observations 1975-1986, mean residual 1".2.Elements are also available for the current standard epoch:
85P/Boethin Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2008 Dec. 16.4100 TT MPC q 1.147325 (2000.0) P Q n 0.0853288 Peri. 53.5895 +0.7976082 -0.6028120 a 5.109822 Node 343.4491 +0.5271929 +0.7135855 e 0.775467 Incl. 4.2170 +0.2930679 +0.3569502 P 11.6An 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 11 29.82 +03 23.9 4.314 3.621 40.8 10.3 20.9 24.1 2009 10 31 11 34.10 +02 54.2 4.299 3.660 44.7 11.0 20.9 24.2 2009 11 05 11 38.17 +02 25.9 4.279 3.698 48.5 11.6 21.0 24.2 2009 11 10 11 42.00 +01 59.1 4.255 3.736 52.5 12.1 21.1 24.2 2009 11 15 11 45.58 +01 33.7 4.227 3.773 56.5 12.6 21.2 24.3 2009 11 20 11 48.90 +01 10.1 4.196 3.811 60.7 13.1 21.2 24.3 2009 11 25 11 51.95 +00 48.1 4.162 3.848 64.9 13.4 21.3 24.3 2009 11 30 11 54.70 +00 28.0 4.125 3.885 69.2 13.7 21.4 24.3 2009 12 05 11 57.14 +00 09.9 4.085 3.922 73.6 13.9 21.4 24.3 2009 12 10 11 59.26 -00 06.2 4.044 3.959 78.0 14.1 21.5 24.3 2009 12 15 12 01.04 -00 20.1 4.000 3.995 82.6 14.1 21.5 24.3 2009 12 20 12 02.47 -00 31.8 3.956 4.031 87.3 14.1 21.6 24.3 2009 12 25 12 03.51 -00 41.1 3.910 4.067 92.1 14.0 21.6 24.3 2009 12 30 12 04.18 -00 47.9 3.865 4.103 97.0 13.8 21.7 24.3 2010 01 04 12 04.45 -00 52.3 3.820 4.138 102.0 13.4 21.7 24.3 2010 01 09 12 04.31 -00 54.0 3.777 4.173 107.1 13.0 21.8 24.3 2010 01 14 12 03.77 -00 53.2 3.735 4.208 112.3 12.5 21.8 24.2 2010 01 19 12 02.82 -00 49.7 3.696 4.243 117.7 11.9 21.9 24.2 2010 01 24 12 01.46 -00 43.6 3.660 4.278 123.1 11.1 21.9 24.2 2010 01 29 11 59.72 -00 35.0 3.628 4.312 128.7 10.3 22.0 24.1 2010 02 03 11 57.60 -00 24.0 3.600 4.346 134.3 9.3 22.0 24.1 2010 02 08 11 55.14 -00 10.7 3.578 4.380 140.0 8.3 22.1 24.1 2010 02 13 11 52.37 +00 04.6 3.562 4.414 145.8 7.2 22.2 24.0 2010 02 18 11 49.33 +00 21.8 3.553 4.447 151.7 6.1 22.2 24.0 2010 02 23 11 46.08 +00 40.4 3.550 4.481 157.6 4.8 22.3 23.9 2010 02 28 11 42.66 +01 00.2 3.555 4.514 163.5 3.6 22.3 23.9 2010 03 05 11 39.13 +01 20.8 3.568 4.547 169.4 2.3 22.4 23.8 2010 03 10 11 35.56 +01 41.7 3.589 4.579 175.4 1.0 22.5 23.7 2010 03 15 11 32.00 +02 02.7 3.618 4.612 178.3 0.4 22.6 23.7 2010 03 20 11 28.52 +02 23.3 3.655 4.644 172.6 1.6 22.7 23.9 2010 03 25 11 25.18 +02 43.2 3.700 4.676 166.8 2.8 22.7 24.0 2010 03 30 11 22.01 +03 02.0 3.753 4.708 161.0 4.0 22.8 24.1 2010 04 04 11 19.08 +03 19.4 3.813 4.740 155.3 5.1 22.9 24.2 2010 04 09 11 16.40 +03 35.4 3.880 4.772 149.7 6.1 23.0 24.3 2010 04 14 11 14.02 +03 49.5 3.954 4.803 144.1 7.0 23.1 24.4 2010 04 19 11 11.96 +04 01.8 4.034 4.834 138.7 7.9 23.2 24.5 2010 04 24 11 10.23 +04 12.0 4.120 4.865 133.3 8.6 23.3 24.6 2010 04 29 11 08.83 +04 20.2 4.210 4.896 128.1 9.3 23.4 24.7 2010 05 04 11 07.78 +04 26.4 4.305 4.927 123.0 9.9 23.5 24.8 2010 05 09 11 07.06 +04 30.5 4.404 4.957 117.9 10.4 23.6 24.9 2010 05 14 11 06.68 +04 32.6 4.505 4.988 113.0 10.7 23.7 24.9 2010 05 19 11 06.62 +04 32.7 4.609 5.018 108.2 11.0 23.8 25.0 2010 05 24 11 06.87 +04 31.0 4.716 5.048 103.4 11.3 23.9 25.1 2010 05 29 11 07.42 +04 27.4 4.823 5.077 98.8 11.4 24.0 25.1 2010 06 03 11 08.24 +04 22.0 4.932 5.107 94.2 11.4 24.1 25.2 2010 06 08 11 09.32 +04 15.0 5.040 5.137 89.7 11.4 24.2 25.3 2010 06 13 11 10.66 +04 06.5 5.149 5.166 85.3 11.3 24.3 25.3 2010 06 18 11 12.22 +03 56.5 5.257 5.195 80.9 11.1 24.4 25.4 2010 06 23 11 14.00 +03 45.1 5.364 5.224 76.7 10.9 24.5 25.4 2010 06 28 11 15.97 +03 32.4 5.469 5.253 72.4 10.6 24.6 25.5 2010 07 03 11 18.13 +03 18.6 5.573 5.281 68.2 10.3 24.7 25.5 2010 07 08 11 20.45 +03 03.6 5.674 5.310 64.1 9.9 24.8 25.5 2010 07 13 11 22.92 +02 47.6 5.773 5.338 60.0 9.5 24.9 25.6 2010 07 18 11 25.53 +02 30.7 5.869 5.366 56.0 9.0 24.9 25.6 2010 07 23 11 28.27 +02 12.8 5.961 5.394 51.9 8.5 25.0 25.6 2010 07 28 11 31.11 +01 54.3 6.050 5.422 47.9 8.0 25.1 25.6 2010 08 02 11 34.05 +01 35.0 6.134 5.450 44.0 7.4 25.2 25.7 2010 08 07 11 37.08 +01 15.0 6.215 5.477 40.0 6.8 25.2 25.7 2010 08 12 11 40.19 +00 54.5 6.291 5.504 36.1 6.2 25.3 25.7 2010 08 17 11 43.36 +00 33.5 6.363 5.532 32.1 5.6 25.4 25.7 2010 08 22 11 46.59 +00 12.1 6.429 5.559 28.2 4.9 25.4 25.7 2010 08 27 11 49.85 -00 09.6 6.491 5.585 24.3 4.3 25.5 25.7 2010 09 01 11 53.16 -00 31.7 6.548 5.612 20.4 3.6 25.6 25.7 2010 09 06 11 56.48 -00 54.0 6.599 5.639 16.4 2.9 25.6 25.7 2010 09 11 11 59.83 -01 16.4 6.644 5.665 12.5 2.2 25.6 2010 09 16 12 03.18 -01 38.9 6.684 5.692 8.6 1.5 25.6 2010 09 21 12 06.52 -02 01.4 6.718 5.718 4.7 0.8 25.6 2010 09 26 12 09.85 -02 23.9 6.746 5.744 1.3 0.2 25.5 2010 10 01 12 13.16 -02 46.3 6.768 5.770 3.7 0.6 25.6 2010 10 06 12 16.44 -03 08.5 6.785 5.795 7.6 1.3 25.7 2010 10 11 12 19.67 -03 30.5 6.795 5.821 11.6 2.0 25.7 2010 10 16 12 22.85 -03 52.1 6.800 5.846 15.7 2.6 25.8 2010 10 21 12 25.97 -04 13.4 6.799 5.872 19.8 3.3 25.8 2010 10 26 12 29.01 -04 34.2 6.792 5.897 23.9 3.9 25.9 2010 10 31 12 31.97 -04 54.5 6.779 5.922 28.1 4.5 25.9 2010 11 05 12 34.84 -05 14.2 6.761 5.947 32.3 5.1 25.9 2010 11 10 12 37.60 -05 33.3 6.738 5.971 36.5 5.7 26.0 2010 11 15 12 40.23 -05 51.6 6.709 5.996 40.8 6.2 26.0 2010 11 20 12 42.74 -06 09.1 6.676 6.020 45.2 6.7 26.0 2010 11 25 12 45.11 -06 25.8 6.638 6.045 49.6 7.1 26.0 2010 11 30 12 47.32 -06 41.5 6.595 6.069 54.0 7.6 26.1This 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.
