47P/Ashbrook-Jackson
Orbital Elements
The following orbital elements are taken from MPC 56802:
47P/Ashbrook-Jackson
Epoch 2009 Feb. 18.0 TT = JDT 2454880.5
T 2009 Jan. 31.9747 TT MPC
q 2.799088 (2000.0) P Q
n 0.1182274 Peri. 357.6864 +0.9957297 +0.0915484
a 4.111409 Node 356.9827 -0.0806586 +0.8000966
e 0.319190 Incl. 13.0527 -0.0449068 +0.5928442
P 8.34
From 762 observations 1948-2002, mean residual 0".9. Nongravitational
parameters A1 = +0.04, A2 = -0.0037.
Elements are also available for the current standard epoch:
47P/Ashbrook-Jackson Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 Feb. 1.1041 TT MPC q 2.799463 (2000.0) P Q n 0.1182490 Peri. 357.7233 +0.9957874 +0.0909175 a 4.110908 Node 356.9821 -0.0801530 +0.8001451 e 0.319016 Incl. 13.0530 -0.0445295 +0.5928759 P 8.34An 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 03 45.84 +35 25.7 2.292 3.173 147.0 9.8 16.8 18.9 2009 10 31 03 42.05 +35 35.7 2.276 3.185 151.8 8.5 16.9 18.9 2009 11 05 03 37.91 +35 41.7 2.265 3.198 156.2 7.2 16.9 18.8 2009 11 10 03 33.51 +35 43.5 2.262 3.210 160.0 6.1 17.0 18.8 2009 11 15 03 28.98 +35 41.3 2.265 3.223 162.6 5.3 17.0 18.8 2009 11 20 03 24.46 +35 35.1 2.275 3.236 163.6 4.9 17.1 18.8 2009 11 25 03 20.07 +35 25.3 2.293 3.248 162.6 5.2 17.1 18.8 2009 11 30 03 15.93 +35 12.6 2.318 3.261 159.8 6.0 17.2 18.9 2009 12 05 03 12.17 +34 57.3 2.349 3.274 156.0 7.0 17.3 18.9 2009 12 10 03 08.84 +34 40.3 2.388 3.287 151.6 8.2 17.4 19.0 2009 12 15 03 06.04 +34 22.1 2.432 3.301 146.9 9.4 17.5 19.1 2009 12 20 03 03.81 +34 03.5 2.483 3.314 142.0 10.5 17.5 19.2 2009 12 25 03 02.19 +33 45.0 2.539 3.327 137.1 11.6 17.6 19.3 2009 12 30 03 01.19 +33 27.2 2.600 3.341 132.1 12.6 17.7 19.4 2010 01 04 03 00.81 +33 10.5 2.666 3.354 127.3 13.5 17.8 19.5 2010 01 09 03 01.04 +32 55.2 2.736 3.368 122.5 14.3 18.0 19.6 2010 01 14 03 01.86 +32 41.7 2.810 3.382 117.7 14.9 18.1 19.7 2010 01 19 03 03.25 +32 30.0 2.886 3.395 113.1 15.5 18.2 19.8 2010 01 24 03 05.18 +32 20.2 2.965 3.409 108.6 15.9 18.3 19.9 2010 01 29 03 07.61 +32 12.4 3.046 3.423 104.1 16.2 18.4 20.0 2010 02 03 03 10.53 +32 06.6 3.129 3.437 99.8 16.4 18.5 20.0 2010 02 08 03 13.88 +32 02.6 3.212 3.451 95.6 16.5 18.6 20.1 2010 02 13 03 17.64 +32 00.3 3.297 3.465 91.4 16.6 18.7 20.2 2010 02 18 03 21.79 +31 59.7 3.382 3.478 87.3 16.5 18.8 20.2 2010 02 23 03 26.29 +32 00.5 3.466 3.493 83.3 16.3 18.9 20.3 2010 02 28 03 31.12 +32 02.7 3.550 3.507 79.4 16.1 19.0 20.3 2010 03 05 03 36.24 +32 06.0 3.634 3.521 75.6 15.8 19.1 20.4 2010 03 10 03 41.63 +32 10.3 3.716 3.535 71.8 15.5 19.2 20.4 2010 03 15 03 47.28 +32 15.4 3.797 3.549 68.1 15.1 19.3 20.5 2010 03 20 03 53.16 +32 21.2 3.877 3.563 64.5 14.6 19.4 20.5 2010 03 25 03 59.25 +32 27.5 3.954 3.577 60.9 14.1 19.5 20.6 2010 03 30 04 05.53 +32 34.2 4.030 3.592 57.4 13.5 19.6 20.6 2010 04 04 04 11.97 +32 41.1 4.103 3.606 53.9 13.0 19.7 20.6 2010 04 09 04 18.58 +32 48.0 4.173 3.620 50.5 12.3 19.7 20.6 2010 04 14 04 25.32 +32 55.0 4.241 3.634 47.1 11.7 19.8 20.7 2010 04 19 04 32.19 +33 01.7 4.306 3.649 43.8 11.0 19.9 20.7 2010 04 24 04 39.17 +33 08.3 4.368 3.663 40.5 10.3 20.0 20.7 2010 04 29 04 46.24 +33 14.5 4.427 3.677 37.3 9.6 20.1 20.7 2010 05 04 04 53.39 +33 20.3 4.482 3.691 34.1 8.8 20.1 20.7 2010 05 09 05 00.61 +33 25.6 4.534 3.706 31.0 8.1 20.2 20.7 2010 05 14 05 07.89 +33 30.3 4.582 3.720 27.9 7.3 20.3 20.7 2010 05 19 05 15.22 +33 34.4 4.627 3.734 24.9 6.6 20.3 20.7 2010 05 24 05 22.57 +33 37.9 4.668 3.748 22.0 5.8 20.4 20.7 2010 05 29 05 29.95 +33 40.7 4.705 3.763 19.2 5.1 20.5 20.7 2010 06 03 05 37.33 +33 42.7 4.738 3.777 16.6 4.4 20.5 20.7 2010 06 08 05 44.71 +33 44.1 4.767 3.791 14.2 3.8 20.6 20.6 2010 06 13 05 52.08 +33 44.7 4.792 3.805 12.2 3.2 20.6 2010 06 18 05 59.43 +33 44.6 4.813 3.820 10.8 2.9 20.6 2010 06 23 06 06.74 +33 43.7 4.829 3.834 10.3 2.7 20.6 2010 06 28 06 14.00 +33 42.2 4.842 3.848 10.8 2.8 20.6 2010 07 03 06 21.20 +33 40.0 4.850 3.862 12.1 3.2 20.7 2010 07 08 06 28.34 +33 37.1 4.855 3.876 14.1 3.7 20.7 2010 07 13 06 35.41 +33 33.6 4.854 3.890 16.5 4.2 20.8 2010 07 18 06 42.38 +33 29.6 4.850 3.904 19.1 4.9 20.8 2010 07 23 06 49.25 +33 25.1 4.842 3.918 22.0 5.6 20.8 2010 07 28 06 56.02 +33 20.2 4.829 3.933 25.0 6.3 20.9 2010 08 02 07 02.66 +33 14.9 4.813 3.947 28.1 7.0 20.9 2010 08 07 07 09.17 +33 09.4 4.792 3.960 31.3 7.6 20.9 2010 08 12 07 15.54 +33 03.6 4.768 3.974 34.5 8.3 21.0 2010 08 17 07 21.76 +32 57.8 4.739 3.988 37.8 9.0 21.0 2010 08 22 07 27.80 +32 51.9 4.707 4.002 41.2 9.6 21.0 2010 08 27 07 33.66 +32 46.2 4.671 4.016 44.7 10.2 21.0 2010 09 01 07 39.34 +32 40.6 4.632 4.030 48.2 10.8 21.0 2010 09 06 07 44.80 +32 35.4 4.589 4.044 51.8 11.3 21.0 2010 09 11 07 50.05 +32 30.7 4.544 4.057 55.4 11.8 21.0 2010 09 16 07 55.06 +32 26.5 4.495 4.071 59.1 12.2 21.0 2010 09 21 07 59.81 +32 23.0 4.443 4.085 62.9 12.6 21.0 2010 09 26 08 04.29 +32 20.2 4.389 4.098 66.7 13.0 21.0 2010 10 01 08 08.49 +32 18.4 4.333 4.112 70.7 13.3 21.0 2010 10 06 08 12.38 +32 17.7 4.275 4.125 74.7 13.5 21.0 2010 10 11 08 15.94 +32 18.1 4.215 4.139 78.8 13.7 21.0 2010 10 16 08 19.16 +32 19.8 4.155 4.152 83.0 13.8 21.0 2010 10 21 08 22.00 +32 22.9 4.093 4.166 87.2 13.8 21.0 2010 10 26 08 24.47 +32 27.3 4.031 4.179 91.6 13.8 20.9 2010 10 31 08 26.52 +32 33.3 3.969 4.192 96.1 13.6 20.9 2010 11 05 08 28.14 +32 40.7 3.908 4.205 100.6 13.4 20.9 2010 11 10 08 29.32 +32 49.7 3.848 4.219 105.3 13.1 20.8 2010 11 15 08 30.02 +33 00.1 3.789 4.232 110.1 12.7 20.8 2010 11 20 08 30.24 +33 11.8 3.733 4.245 114.9 12.2 20.7 2010 11 25 08 29.97 +33 24.8 3.679 4.258 119.9 11.6 20.7 2010 11 30 08 29.20 +33 38.8 3.629 4.271 124.9 10.9 20.6This 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.
