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 2009 June 18.0 TT = JDT 2455000.5 T 2009 Jan. 31.9991 TT MPC q 2.799127 (2000.0) P Q n 0.1182580 Peri. 357.6930 +0.9957404 +0.0914312 a 4.110698 Node 356.9828 -0.0805639 +0.8001026 e 0.319063 Incl. 13.0531 -0.0448378 +0.5928542 P 8.33An 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 02 12.72 +18 29.6 3.592 2.893 40.3 13.1 16.7 19.8 2009 06 13 02 19.85 +19 20.6 3.556 2.900 43.2 13.9 16.7 19.9 2009 06 18 02 26.89 +20 10.6 3.519 2.908 46.1 14.6 16.7 19.9 2009 06 23 02 33.82 +20 59.5 3.479 2.916 49.1 15.3 16.7 19.9 2009 06 28 02 40.63 +21 47.3 3.436 2.923 52.1 15.9 16.7 19.9 2009 07 03 02 47.31 +22 34.1 3.392 2.932 55.1 16.5 16.7 19.9 2009 07 08 02 53.83 +23 19.7 3.346 2.940 58.2 17.1 16.7 19.9 2009 07 13 03 00.19 +24 04.4 3.298 2.949 61.3 17.6 16.7 19.9 2009 07 18 03 06.36 +24 48.0 3.249 2.958 64.5 18.1 16.7 19.9 2009 07 23 03 12.31 +25 30.5 3.197 2.967 67.8 18.5 16.7 19.8 2009 07 28 03 18.03 +26 12.1 3.145 2.976 71.1 18.8 16.7 19.8 2009 08 02 03 23.48 +26 52.7 3.092 2.985 74.5 19.1 16.8 19.8 2009 08 07 03 28.64 +27 32.4 3.037 2.995 78.0 19.3 16.8 19.8 2009 08 12 03 33.48 +28 11.2 2.982 3.005 81.5 19.5 16.8 19.7 2009 08 17 03 37.97 +28 49.1 2.926 3.015 85.2 19.5 16.8 19.7 2009 08 22 03 42.07 +29 26.1 2.870 3.025 88.9 19.5 16.8 19.7 2009 08 27 03 45.74 +30 02.2 2.814 3.036 92.8 19.4 16.7 19.6 2009 09 01 03 48.96 +30 37.5 2.759 3.046 96.7 19.2 16.7 19.6 2009 09 06 03 51.68 +31 11.7 2.704 3.057 100.8 18.9 16.7 19.6 2009 09 11 03 53.86 +31 45.0 2.650 3.068 104.9 18.5 16.7 19.5 2009 09 16 03 55.49 +32 17.2 2.598 3.079 109.2 18.0 16.7 19.4 2009 09 21 03 56.50 +32 48.1 2.548 3.090 113.6 17.3 16.8 19.4 2009 09 26 03 56.89 +33 17.5 2.500 3.102 118.1 16.6 16.8 19.3 2009 10 01 03 56.63 +33 45.1 2.455 3.113 122.8 15.7 16.8 19.3 2009 10 06 03 55.72 +34 10.7 2.414 3.125 127.5 14.7 16.8 19.2 2009 10 11 03 54.16 +34 34.0 2.376 3.137 132.4 13.6 16.8 19.1 2009 10 16 03 51.97 +34 54.5 2.343 3.149 137.2 12.4 16.8 19.1 2009 10 21 03 49.17 +35 11.8 2.315 3.161 142.2 11.1 16.8 19.0 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 20.8This 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.
