MPC
CBAT
ICQ
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 2007 Apr. 10.0 TT = JDT 2454200.5 T 2009 Jan. 31.1997 TT MPC q 2.791450 (2000.0) P Q n 0.1178430 Peri. 357.2409 +0.9959145 +0.0897807 a 4.120344 Node 357.5445 -0.0779195 +0.8002187 e 0.322520 Incl. 13.0602 -0.0456384 +0.5929498 P 8.36An 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.
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! 2007 05 30 15 52.24 -36 30.1 3.153 4.135 163.5 4.0 19.9 2007 06 04 15 48.26 -36 21.4 3.148 4.121 161.2 4.5 20.0 2007 06 09 15 44.43 -36 10.4 3.150 4.108 157.8 5.4 20.0 2007 06 14 15 40.84 -35 57.6 3.158 4.094 153.7 6.3 20.0 2007 06 19 15 37.55 -35 43.2 3.174 4.080 149.2 7.3 20.1 2007 06 24 15 34.63 -35 27.7 3.195 4.066 144.6 8.3 20.1 2007 06 29 15 32.13 -35 11.5 3.222 4.052 139.8 9.3 20.2 2007 07 04 15 30.08 -34 55.1 3.255 4.039 135.1 10.2 20.3 2007 07 09 15 28.50 -34 38.7 3.292 4.025 130.3 11.1 20.3 2007 07 14 15 27.42 -34 22.8 3.333 4.011 125.6 11.9 20.4 2007 07 19 15 26.84 -34 07.6 3.379 3.997 120.9 12.6 20.4 2007 07 24 15 26.76 -33 53.5 3.428 3.983 116.3 13.2 20.4 2007 07 29 15 27.19 -33 40.6 3.479 3.969 111.7 13.7 20.5 20.5 2007 08 03 15 28.10 -33 29.0 3.533 3.955 107.3 14.2 20.5 20.5 2007 08 08 15 29.48 -33 18.8 3.588 3.940 102.9 14.5 20.4 20.6 2007 08 13 15 31.33 -33 10.2 3.645 3.926 98.6 14.8 20.4 20.6 2007 08 18 15 33.62 -33 03.1 3.703 3.912 94.4 15.0 20.4 20.6 2007 08 23 15 36.34 -32 57.4 3.761 3.898 90.2 15.0 20.4 20.7 2007 08 28 15 39.46 -32 53.2 3.819 3.884 86.1 15.0 20.4 20.7 2007 09 02 15 42.96 -32 50.4 3.876 3.869 82.1 15.0 20.4 20.7 2007 09 07 15 46.84 -32 48.9 3.933 3.855 78.2 14.8 20.4 20.7 2007 09 12 15 51.06 -32 48.5 3.989 3.841 74.3 14.6 20.4 20.7 2007 09 17 15 55.62 -32 49.2 4.043 3.827 70.5 14.3 20.4 20.8 2007 09 22 16 00.49 -32 50.9 4.096 3.812 66.7 14.0 20.3 20.8 2007 09 27 16 05.67 -32 53.4 4.147 3.798 63.0 13.6 20.3 20.8 2007 10 02 16 11.12 -32 56.5 4.195 3.784 59.3 13.2 20.3 20.8 2007 10 07 16 16.84 -33 00.2 4.241 3.769 55.7 12.7 20.3 20.8 2007 10 12 16 22.82 -33 04.3 4.284 3.755 52.1 12.1 20.2 20.8 2007 10 17 16 29.03 -33 08.6 4.324 3.741 48.6 11.5 20.2 20.8 2007 10 22 16 35.48 -33 13.2 4.362 3.726 45.1 10.9 20.2 20.7 2007 10 27 16 42.13 -33 17.7 4.395 3.712 41.6 10.3 20.2 20.7 2007 11 01 16 48.97 -33 22.1 4.426 3.697 38.2 9.6 20.1 20.7 2007 11 06 16 56.01 -33 26.3 4.453 3.683 34.9 8.9 20.1 20.7 2007 11 11 17 03.22 -33 30.2 4.476 3.669 31.6 8.1 20.1 20.6 2007 11 16 17 10.59 -33 33.6 4.495 3.654 28.3 7.4 20.0 20.6 2007 11 21 17 18.10 -33 36.4 4.510 3.640 25.1 6.6 20.0 20.6 2007 11 26 17 25.75 -33 38.6 4.522 3.626 22.0 5.9 19.9 20.5 2007 12 01 17 33.51 -33 40.1 4.529 3.611 19.1 5.1 19.9 20.5 2007 12 06 17 41.39 -33 40.8 4.532 3.597 16.3 4.4 19.8 20.5 2007 12 11 17 49.36 -33 40.6 4.531 3.583 13.8 3.8 19.8 20.4 2007 12 16 17 57.41 -33 39.5 4.526 3.568 11.8 3.2 19.7 20.4 2007 12 21 18 05.52 -33 37.4 4.517 3.554 10.5 2.9 19.7 20.3 2007 12 26 18 13.69 -33 34.3 4.504 3.540 10.2 2.8 19.6 20.3 2007 12 31 18 21.90 -33 30.2 4.486 3.526 11.0 3.0 19.6 20.3 2008 01 05 18 30.14 -33 25.0 4.465 3.512 12.6 3.5 19.5 20.3 2008 01 10 18 38.39 -33 18.8 4.439 3.497 14.8 4.1 19.5 20.3 2008 01 15 18 46.64 -33 11.5 4.409 3.483 17.4 4.8 19.4 20.3 2008 01 20 18 54.87 -33 03.1 4.376 3.469 20.2 5.6 19.3 20.4 2008 01 25 19 03.08 -32 53.8 4.339 3.455 23.1 6.4 19.3 20.4 2008 01 30 19 11.24 -32 43.4 4.298 3.441 26.1 7.2 19.2 20.4 2008 02 04 19 19.36 -32 32.2 4.253 3.427 29.2 8.1 19.1 20.4 2008 02 09 19 27.41 -32 20.0 4.206 3.413 32.4 8.9 19.0 20.4 2008 02 14 19 35.38 -32 07.1 4.154 3.400 35.5 9.7 19.0 20.4 2008 02 19 19 43.25 -31 53.4 4.100 3.386 38.7 10.5 18.9 20.4 2008 02 24 19 51.02 -31 39.1 4.042 3.372 42.0 11.3 18.8 20.4 2008 02 29 19 58.67 -31 24.3 3.982 3.358 45.2 12.1 18.7 20.4 2008 03 05 20 06.20 -31 09.0 3.919 3.345 48.5 12.8 18.6 20.3 2008 03 10 20 13.57 -30 53.3 3.853 3.331 51.8 13.5 18.6 20.3 2008 03 15 20 20.79 -30 37.5 3.786 3.318 55.1 14.2 18.5 20.3 2008 03 20 20 27.84 -30 21.6 3.716 3.304 58.4 14.9 18.4 20.3 2008 03 25 20 34.71 -30 05.7 3.644 3.291 61.8 15.5 18.3 20.2 2008 03 30 20 41.37 -29 50.0 3.570 3.278 65.1 16.0 18.2 20.2 2008 04 04 20 47.83 -29 34.6 3.495 3.265 68.6 16.6 18.1 20.2 2008 04 09 20 54.05 -29 19.7 3.418 3.252 72.0 17.0 18.0 20.1 2008 04 14 21 00.03 -29 05.5 3.341 3.239 75.5 17.4 17.9 20.1 2008 04 19 21 05.74 -28 52.1 3.263 3.226 79.0 17.8 17.8 20.0 2008 04 24 21 11.17 -28 39.6 3.184 3.213 82.6 18.1 17.7 20.0 2008 04 29 21 16.29 -28 28.3 3.105 3.201 86.3 18.3 17.6 19.9 2008 05 04 21 21.10 -28 18.2 3.026 3.188 89.9 18.4 17.5 19.9 2008 05 09 21 25.55 -28 09.6 2.947 3.176 93.7 18.5 17.4 19.8 2008 05 14 21 29.63 -28 02.5 2.869 3.164 97.5 18.5 17.3 19.7 2008 05 19 21 33.31 -27 57.2 2.791 3.152 101.4 18.3 17.2 19.7 2008 05 24 21 36.57 -27 53.6 2.715 3.140 105.4 18.1 17.1 19.6 2008 05 29 21 39.39 -27 52.0 2.641 3.128 109.4 17.8 17.0 19.5 2008 06 03 21 41.72 -27 52.3 2.568 3.116 113.6 17.4 16.9 19.4 2008 06 08 21 43.53 -27 54.7 2.498 3.104 117.8 16.8 16.8 19.3 2008 06 13 21 44.82 -27 58.9 2.430 3.093 122.2 16.1 16.7 19.3 2008 06 18 21 45.55 -28 05.0 2.366 3.082 126.6 15.3 16.6 19.2 2008 06 23 21 45.71 -28 12.8 2.305 3.070 131.1 14.4 16.5 19.1 2008 06 28 21 45.28 -28 22.0 2.248 3.059 135.7 13.4 16.4 19.0 2008 07 03 21 44.26 -28 32.3 2.195 3.049 140.4 12.3 16.3 18.9This 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.