MPEC 2006-Q61 : COMET 76P/WEST-KOHOUTEK-IKEMURA
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M.P.E.C. 2006-Q61 Issued 2006 Aug. 30, 19:42 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET 76P/WEST-KOHOUTEK-IKEMURA
Observations:
0076P C2006 08 25.14207 05 09 04.78 -00 00 15.5 EQ061J95
0076P C2006 08 25.14842 05 09 05.60 -00 00 11.6 18.8 N EQ061J95
0076P C2006 08 27.09589 05 13 12.27 +00 14 26.6 19.3 N EQ061A79
0076P C2006 08 27.10131 05 13 12.87 +00 14 29.8 19.6 N EQ061A79
0076P C2006 08 27.10160 05 13 13.10 +00 14 29.6 19.1 N EQ061A79
0076P C2006 08 27.10728 05 13 13.60 +00 14 32.5 19.6 N EQ061A79
0076P C2006 08 27.11552 05 13 14.61 +00 14 35.0 19.1 N EQ061A79
0076P C2006 08 27.12943 05 13 16.51 +00 14 42.8 EQ061204
0076P C2006 08 27.14019 05 13 17.91 +00 14 48.2 18.5 N EQ061204
0076P C2006 08 29.06964 05 17 21.88 +00 29 22.2 20.0 N EQ061A79
0076P C2006 08 29.07545 05 17 22.77 +00 29 23.2 18.4 N EQ061A79
0076P C2006 08 29.08102 05 17 23.51 +00 29 25.9 19.1 N EQ061A79
0076P C2006 08 29.09919 05 17 25.65 +00 29 36.5 19.9 N EQ061A79
0076P C2006 08 29.10351 05 17 26.16 +00 29 37.3 19.3 N EQ061A79
0076P C2006 08 29.10970 05 17 27.06 +00 29 43.3 20.2 N EQ061A79
0076P C2006 08 30.12817 05 19 35.64 +00 37 25.4 EQ061J95
0076P C2006 08 30.13366 05 19 36.35 +00 37 27.6 EQ061J95
0076P C2006 08 30.13916 05 19 36.98 +00 37 29.9 19.4 N EQ061J95
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
A79 Zvezdno Obshtestvo Observatory, Plana. Observers F. Fratev, E. Mihaylova,
C. Kaldiev. Measurer F. Fratev. 0.25-m f/3 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
76P/West-Kohoutek-Ikemura
Epoch 2006 Nov. 1.0 TT = JDT 2454040.5
T 2006 Nov. 19.79618 TT MPC
q 1.6034324 (2000.0) P Q
n 0.15219803 Peri. 0.12382 +0.10081209 -0.85765905
a 3.4742684 Node 84.10733 +0.91237161 -0.12241828
e 0.5384835 Incl. 30.45879 +0.39675555 +0.49943440
P 6.48
From 208 observations 1987 Sept. 27-2006 Aug. 30, mean residual 0".93. Non-
gravitational parameters A1 = +0.15 +/- 0.04, A2 = -0.0360 +/- 0.0003.
Residuals in seconds of arc
870927 691 0.5- 0.5+ 931119 816 0.3+ 0.7- 931230 107 1.0+ 1.6-
870927 691 0.1- 0.8+ 931119 107 (1.7- 2.6+) 931231 897 0.8+ 0.1-
871001 372 0.5- 1.7+ Y 931119 107 1.3- 2.0+ 940101 411 1.2+ 0.1+
871221 691 (0.6+ 2.8+) 931120 557 0.4- 0.5+ 940101 411 0.8+ 0.0
871221 691 0.2+ 2.5+ 931120 557 0.4- 0.7+ 940101 411 0.7+ 1.0-
880115 691 2.0+ 1.1+ 931120 557 0.5- 0.5+ 940102 411 1.5+ 0.9-
880115 691 0.6+ 1.4+ 931120 323 0.4+ 1.4+ 940102 411 1.5+ 0.9+
880115 691 (2.9+ 0.0 ) 931124 411 0.2- 0.3+ 940102 411 1.1+ 0.5+
880121 691 0.2+ 1.6+ 931124 411 0.5+ 0.5+ 940102 900 0.5+ 0.5-
880121 691 (2.0- 3.9+) 931124 411 0.4+ 0.5+ 940102 900 1.3+ 0.6+
880412 691 0.9+ 1.1+ 931124 897 2.0- 1.5+ 940104 897 1.8+ 0.6-
880412 691 1.8+ 0.1+ 931124 897 1.0- 0.4+ 940104 897 1.9+ 1.0-
880412 691 0.8+ 0.9- 931125 385 0.3- 0.2+ 940104 897 1.5+ 0.6-
930720 691 1.0+ 0.7- 931125 385 0.0 0.3+ 940104 360 0.9+ 0.8-
930720 691 1.6+ 0.8+ 931125 385 0.1- 0.1+ 940104 360 1.2+ 0.4-
930721 691 1.3+ 1.9- 931202 107 0.2- 0.2+ 940104 900 0.7+ 0.2-
930721 691 1.1- 1.0- 931204 897 0.5- 0.1- 940104 900 1.8+ 0.3+
930721 691 0.3- 1.8- 931204 897 1.2- 0.1- 940108 410 (2.7+ 1.2-)
930822 691 0.3- 0.9- 931204 107 0.9- 0.3+ 940108 410 (2.8+ 2.5-)
930822 691 1.1- 1.6- 931204 107 1.7+ 0.3+ 940108 605 (3.1+ 1.0-)
930822 691 1.5- 1.0- 931205 411 0.2- 0.4+ 940108 605 (4.0+ 1.9-)
930822 691 0.4- 0.5- 931205 411 0.3- 0.3+ 940108 605 (4.2+ 1.5-)
930824 360 0.9- 1.4- 931205 411 0.1- 0.7+ 940111 605 (2.2+ 3.2-)
930824 360 0.8- 1.2- 931207 411 0.1+ 0.3- 940111 605 (4.1+ 2.1-)
930827 360 0.3- 1.1- 931207 411 0.2+ 0.3+ 940111 605 (0.9+ 3.2-)
930827 360 0.2- 1.0- 931207 411 0.2+ 0.2- 940113 107 (3.2+ 0.7-)
930926 411 2.2- 0.4+ 931207 887 0.5+ 0.5+ 940113 107 (3.5+ 1.4-)
930926 411 2.2- 0.9- 931207 887 0.2- 0.0 940114 605 1.2+ 0.0
930926 411 2.3- 0.4- 931207 887 0.1+ 0.8+ 940114 605 (3.2+ 0.4-)
930926 360 1.0- 0.3- 931207 887 0.4- 0.2+ 940114 605 (5.2+ 1.0-)
930926 360 1.3- 0.2- 931208 900 0.2- 0.7+ 940114 605 (5.5+ 0.1+)
931011 900 (5.1- 4.3+) 931208 900 1.3- 1.2+ 940115 410 (3.2+ 0.2+)
931011 900 (5.5- 0.5+) 931208 411 0.3+ 0.2- 940115 410 2.4+ 0.4-
931011 360 1.2- 0.4+ 931208 411 0.4+ 0.6+ 940115 897 2.0+ 0.1-
931011 360 1.6- 0.2+ 931208 411 0.0 0.0 940115 897 2.0+ 0.1+
931012 801 1.6- 1.4+ 931209 411 0.0 1.0+ 940115 107 (3.1+ 1.3-)
931012 801 2.0- 1.7+ 931209 411 0.0 0.0 940115 107 (3.5+ 0.9-)
931014 801 1.6- 0.4- 931209 411 0.2+ 0.7+ 940116 605 (5.4+ 2.1-)
931014 801 0.0 0.3- 931211 411 0.4+ 0.1- 940116 605 (4.0+ 3.4-)
931015 107 (5.2- 0.8-) 931211 411 0.8+ 0.0 940118 107 (3.7+ 1.0-)
931016 107 (2.9- 0.2-) 931211 411 0.4+ 0.0 940118 107 (2.9+ 0.7+)
931022 691 0.6- 0.3+ 931211 897 0.8- 0.7- 940129 595 1.0+ 0.9-
931022 691 0.3+ 0.7+ 931211 897 0.5- 0.0 940129 595 0.4+ 0.0
931022 360 0.9- 0.5+ 931211 887 0.3- 0.8+ 940130 897 2.3+ 0.0
931022 360 0.5- 0.5+ 931211 887 1.4+ 0.8- 940130 897 1.3+ 0.2-
931023 107 (1.8- 2.9+) 931211 887 0.5- 0.7+ 940201 657 1.2+ 0.2-
931023 107 1.3- 1.3- 931211 107 0.4+ 0.2+ 940201 657 0.8+ 0.3-
931023 411 1.5- 1.4+ 931211 107 0.0 0.8+ 940201 657 1.2+ 0.2+
931023 411 1.8- 0.4+ 931212 411 0.0 0.7- 940203 360 0.1+ 0.0
931023 411 1.3- 1.5+ 931212 411 0.1+ 0.4- 940203 360 0.0 0.1-
931108 658 0.5- 0.1- 931212 411 0.1+ 0.7- 940215 801 1.0+ 2.4-
931108 658 0.4- 0.1- 931212 360 0.1+ 0.2- 940215 801 0.9+ 1.5-
931108 658 0.4- 0.1- 931212 360 0.0 0.3- 940215 046 1.5+ 0.8-
931108 107 (3.2- 0.8+) 931212 900 0.6- 0.1+ 940215 046 (0.7- 2.6-)
931108 107 (3.8- 1.9+) 931212 900 1.2- 0.1+ 940215 046 (0.3- 2.8-)
931111 801 1.2- 0.7+ 931212 107 0.0 0.3+ 940217 897 (2.9+ 0.1-)
931111 801 0.6- 0.2+ 931212 107 0.2+ 1.1+ 940217 897 1.5+ 0.6+
931114 411 0.9- 0.9+ 931215 381 0.5+ 0.1+ 940302 360 0.4- 0.2+
931114 411 0.9- 0.5+ 931215 381 0.1+ 0.2+ 940302 360 0.3- 0.2+
931114 411 0.8- 0.2+ 931215 381 0.4- 0.2- 940306 897 (4.1+ 0.6-)
931114 897 1.7- 1.5+ 931215 323 1.7+ 0.5+ 940306 897 0.5+ 0.6-
931114 897 1.9- 1.6+ 931216 107 0.4+ 0.0 940306 897 (3.8+ 1.8-)
931114 360 1.1- 0.0 931216 107 0.4+ 1.8- 940330 360 1.1+ 0.3+
931114 360 1.0- 0.5+ 931216 107 0.7+ 0.1+ 940330 360 0.0 0.6+
931115 900 1.1- 1.5+ 931217 816 0.7+ 0.9- 060825 J95 0.8- 1.0-
931115 900 0.7- 0.9+ 931217 801 0.7+ 0.6- 060825 J95 0.4- 0.1+
931116 900 0.6- 0.2+ 931217 816 0.4+ 1.1- 060827 A79 0.4- 0.9-
931116 900 0.4- 1.5- 931217 801 0.7+ 0.6- 060827 A79 1.6- 0.2-
931116 107 (2.6- 1.8+) 931217 897 0.8+ 1.2+ 060827 A79 1.3+ 0.5-
931117 107 0.9- 0.6+ 931217 107 0.0 0.2- 060827 A79 1.8- 0.2-
931117 801 0.8- 0.7+ 931217 107 0.2+ 0.4- 060827 A79 2.2- 1.4-
931117 801 0.9- 0.4+ 931218 801 0.4+ 0.4- 060827 204 0.4- 0.3+
931118 897 2.0- 0.2+ 931218 801 0.2+ 0.3- 060827 204 0.3+ 0.9+
931118 897 2.0- 0.8+ 931218 107 1.2+ 0.4- 060829 A79 0.9- 0.2-
931118 360 0.1- 0.0 931218 107 1.5+ 0.3- 060829 A79 1.6+ 1.9-
931118 360 0.2- 0.0 931219 411 0.6- 0.6- 060829 A79 2.2+ 1.7-
931119 557 0.9- 0.7+ 931219 411 0.4+ 1.0- 060829 A79 0.1+ 0.6+
931119 557 0.7- 0.7+ 931219 411 0.6+ 0.5- 060829 A79 0.3- 0.5-
931119 557 0.8- 0.8+ 931229 897 1.0+ 0.9- 060829 A79 (1.6+ 2.7+)
931119 557 0.7- 0.7+ 931229 897 1.4+ 0.5- 060830 J95 0.3+ 1.3+
931119 816 0.1+ 0.1+ 931230 107 1.4+ 1.8- 060830 J95 0.6+ 1.0+
931119 816 0.5- 0.3- 931230 107 1.8+ 1.7- 060830 J95 0.3- 0.8+
Ephemeris:
76P/West-Kohoutek-Ikemura
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 08 23 05 04.55 -00 16.2 1.781 1.822 76.0 32.6 17.1 20.4
2006 09 02 05 25.62 +00 59.4 1.662 1.780 79.5 33.9 16.6 20.3
2006 09 12 05 46.50 +02 19.0 1.545 1.740 83.1 35.0 16.2 20.1
2006 09 22 06 07.07 +03 46.0 1.431 1.705 87.1 36.0 15.7 19.9
2006 10 02 06 27.19 +05 25.8 1.318 1.675 91.4 36.7 15.3 19.7
2006 10 12 06 46.71 +07 25.1 1.210 1.649 96.2 37.0 14.9 19.5
2006 10 22 07 05.45 +09 51.9 1.105 1.629 101.5 36.8 14.6 19.3
2006 11 01 07 23.12 +12 56.5 1.008 1.614 107.6 35.9 14.3 19.0
2006 11 11 07 39.40 +16 49.9 0.919 1.606 114.5 34.1 14.0 18.8
2006 11 21 07 53.82 +21 41.9 0.842 1.603 122.1 31.4 13.8 18.5
2006 12 01 08 05.71 +27 36.5 0.782 1.607 130.4 27.8 13.6 18.2
2006 12 11 08 14.34 +34 24.5 0.742 1.617 138.5 23.8 13.6 18.0
2006 12 21 08 18.74 +41 37.7 0.726 1.633 145.0 20.2 13.7 17.9
2006 12 31 08 18.24 +48 31.7 0.737 1.655 148.0 18.4 13.9 17.9
2007 01 10 08 12.96 +54 21.1 0.772 1.682 146.4 18.9 14.2 18.0
2007 01 20 08 04.38 +58 37.8 0.829 1.713 141.6 20.9 14.6 18.3
2007 01 30 07 55.61 +61 16.2 0.904 1.749 135.6 23.2 15.1 18.6
2007 02 09 07 50.09 +62 29.7 0.994 1.790 129.3 25.2 15.6 18.9
2007 02 19 07 49.91 +62 37.7 1.094 1.833 123.3 26.8 16.1 19.2
2007 03 01 07 55.53 +61 58.2 1.203 1.880 117.6 27.8 16.6 19.5
2007 03 11 08 06.02 +60 45.0 1.320 1.929 112.3 28.5 17.2 19.8
2007 03 21 08 20.05 +59 06.9 1.443 1.981 107.2 28.7 17.7 20.0
2007 03 31 08 36.43 +57 10.0 1.571 2.034 102.4 28.7 18.2 20.3
2007 04 10 08 54.11 +54 58.9 1.703 2.089 97.7 28.4 18.8 20.5
2007 04 20 09 12.39 +52 36.9 1.841 2.145 93.2 27.9 19.3 20.7
2007 04 30 09 30.82 +50 06.8 1.981 2.202 88.7 27.2 19.8 20.9
2007 05 10 09 49.07 +47 31.3 2.125 2.260 84.3 26.4 20.3 21.1
2007 05 20 10 07.00 +44 52.1 2.271 2.318 79.9 25.4 20.7 21.3
2007 05 30 10 24.53 +42 11.3 2.419 2.377 75.5 24.4 21.2 21.4
2007 06 09 10 41.62 +39 30.3 2.568 2.436 71.1 23.2 21.6 21.6
2007 06 19 10 58.27 +36 50.2 2.717 2.495 66.6 22.0 22.1 21.7
2007 06 29 11 14.52 +34 12.4 2.865 2.554 62.2 20.6 22.5 21.8
2007 07 09 11 30.38 +31 37.6 3.010 2.612 57.7 19.2 22.9 22.0
2007 07 19 11 45.89 +29 06.6 3.153 2.671 53.2 17.7 23.3 22.1
2007 07 29 12 01.09 +26 40.0 3.291 2.729 48.7 16.2 23.7 22.1
2007 08 08 12 16.01 +24 18.6 3.423 2.787 44.2 14.7 24.0 22.2
2007 08 18 12 30.67 +22 02.5 3.549 2.844 39.7 13.1 24.4 22.3
2007 08 28 12 45.11 +19 52.6 3.666 2.901 35.3 11.6 24.7 22.3
2007 09 07 12 59.32 +17 49.0 3.774 2.957 31.1 10.1 25.0 22.4
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-Q61
Read MPEC 2006-Q60
Read MPEC 2006-Q62
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