MPEC 2007-X14 : COMET P/2006 W4 (HILL)
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M.P.E.C. 2007-X14 Issued 2007 Dec. 3, 21:33 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2006 W4 (HILL)
Observations:
PK06W040 C2007 09 15.43751 05 46 20.49 +14 56 38.1 19.5 T EX014704
PK06W040 C2007 09 15.44912 05 46 20.76 +14 56 34.6 19.5 T EX014704
PK06W040 C2007 09 15.46074 05 46 21.05 +14 56 31.8 19.6 T EX014704
PK06W040 C2007 12 01.75164 05 38 41.96 +07 21 14.3 EX014349
PK06W040 C2007 12 01.75525 05 38 41.86 +07 21 12.8 18.2 T EX014349
PK06W040 C2007 12 03.66282 05 37 37.68 +07 10 26.4 EX014349
PK06W040 C2007 12 03.66824 05 37 37.50 +07 10 24.6 18.2 T EX014349
Observer details:
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Bezpalko, D. Torres, R.
Kracke, G. Spitz, J. Kistler. Measurers J. Stuart, S. Scruggs. 1.0-m
f/2.15 reflector + CCD.
Orbital elements:
P/2006 W4 (Hill)
Epoch 2009 Jan. 9.0 TT = JDT 2454840.5
T 2009 Jan. 21.01289 TT MPC
q 4.4387877 (2000.0) P Q
n 0.05976294 Peri. 249.60797 -0.51720136 -0.67246312
a 6.4791008 Node 243.24954 +0.81824404 -0.56989345
e 0.3149068 Incl. 36.36187 -0.25095707 -0.47224444
P 16.49
Residuals in seconds of arc
061119 704 0.7+ 0.5- 061123 854 0.2+ 0.3- 061215 G96 0.0 0.3-
061119 704 0.1+ 0.1- 061123 143 0.3+ 0.1+ 061215 G96 0.1+ 0.6-
061119 704 0.7- 0.3+ 061123 143 0.0 0.1+ 061215 246 0.2- 0.2-
061122 704 1.7- 0.4+ 061123 143 0.4- 0.1+ 061215 246 0.5+ 0.5+
061122 703 0.6- 0.2+ 061123 235 0.2+ 0.0 061215 246 0.2+ 0.2+
061122 704 1.7- 0.4- 061123 235 0.2- 0.5- 061215 246 0.4+ 0.3+
061122 703 0.6+ 0.4+ 061123 J95 0.4+ 0.3- 061215 246 0.1- 0.1-
061122 704 0.8- 0.2+ 061123 J95 0.3+ 0.2- 061221 204 0.5- 0.2+
061122 703 0.0 0.0 061123 J95 0.2+ 0.4- 061222 204 0.0 0.9+
061122 704 1.8- 1.3+ 061124 349 0.3+ 0.9- 061222 147 0.9- 0.4+
061122 703 (2.5- 1.0+) 061124 349 0.4+ 1.3- 061222 147 0.1- 0.7+
061122 704 (0.5+ 2.4+) 061124 349 0.6+ 1.5- 061226 130 (2.4+ 1.1-)
061122 703 1.1+ 0.2- 061126 215 (3.1+ 1.3+) 061226 118 0.3- 0.1-
061122 703 (2.4- 0.9+) 061127 204 0.7- 0.0 061226 118 0.1- 0.2+
061122 703 0.9- 0.6+ 061127 204 0.3+ 0.4- 061227 703 0.1+ 0.4+
061122 703 0.5- 0.6- 061127 213 0.1+ 0.7+ 061227 703 0.3- 0.7-
061122 143 1.1+ 0.2+ 061127 213 0.3+ 0.6+ 061227 703 1.4+ 0.6+
061122 143 0.6- 0.4- 061127 213 0.2+ 0.7+ 061227 703 1.0- 1.2+
061122 470 (2.3+ 1.3-) 061127 213 0.5+ 0.7+ 070117 G96 0.3+ 0.4-
061122 470 0.7- 0.6+ 061201 673 0.1- 0.6+ 070117 G96 0.3- 0.4-
061122 470 (2.9- 1.2-) 061201 673 0.2- 0.4- 070117 G96 0.0 0.5-
061122 470 0.6- 1.1+ 061201 673 0.6+ 0.5- 070117 G96 0.1- 0.2-
061123 703 0.4- 0.1- 061201 673 0.2- 0.3- 070120 213 0.0 0.2-
061123 703 0.1+ 0.5- 061214 703 1.3+ 1.0+ 070120 213 0.1+ 0.1+
061123 703 0.9- 0.2- 061214 703 1.6+ 0.0 070120 213 0.1+ 0.1-
061123 734 0.0 0.8- 061214 703 0.6+ 0.1+ 070915 704 0.7+ 0.2-
061123 703 0.4- 0.6- 061214 703 0.5- 0.8+ 070915 704 0.6+ 0.3-
061123 734 0.3+ 0.3- 061215 704 1.1- 0.8+ 070915 704 0.7+ 0.3+
061123 734 0.2+ 0.4- 061215 704 0.5+ 0.9+ 071201 349 0.7- 0.1+
061123 734 0.9+ 0.2- 061215 704 (2.1+ 0.2-) 071201 349 0.4- 0.2-
061123 854 0.6- 1.9+ 061215 G96 0.3+ 0.2- 071203 349 0.2- 0.0
061123 854 0.5- 0.4+ 061215 G96 0.6- 0.1- 071203 349 0.1- 0.0
Ephemeris:
P/2006 W4 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2007 11 26 05 41.78 +07 54.8 3.922 4.824 153.3 5.3 18.3
2007 12 06 05 36.29 +06 57.5 3.867 4.808 160.6 3.9 18.3
2007 12 16 05 30.35 +06 06.1 3.842 4.791 162.8 3.5 18.2
2007 12 26 05 24.42 +05 22.1 3.849 4.775 158.1 4.4 18.2
2008 01 05 05 18.93 +04 46.7 3.885 4.759 149.6 6.0 18.2
2008 01 15 05 14.28 +04 20.5 3.949 4.744 139.9 7.7 18.2
2008 01 25 05 10.79 +04 03.0 4.036 4.729 130.0 9.2 18.3
2008 02 04 05 08.65 +03 53.3 4.142 4.714 120.1 10.4 18.3
2008 02 14 05 07.97 +03 50.3 4.262 4.699 110.5 11.4 18.4
2008 02 24 05 08.76 +03 52.4 4.392 4.685 101.2 12.0 18.4
2008 03 05 05 10.97 +03 57.8 4.526 4.671 92.3 12.2 18.5
2008 03 15 05 14.52 +04 05.2 4.661 4.658 83.7 12.3 18.5
2008 03 25 05 19.27 +04 13.0 4.793 4.645 75.5 12.0 18.6
2008 04 04 05 25.10 +04 20.0 4.919 4.632 67.7 11.5 18.6
2008 04 14 05 31.89 +04 25.1 5.036 4.619 60.2 10.9 18.7
2008 04 24 05 39.49 +04 27.3 5.142 4.607 53.0 10.0 18.7
2008 05 04 05 47.80 +04 25.7 5.235 4.596 46.2 9.1 18.7
2008 05 14 05 56.69 +04 19.6 5.314 4.584 39.9 8.1 18.7
2008 05 24 06 06.05 +04 08.5 5.378 4.573 34.0 7.1 18.8
Brian G. Marsden (C) Copyright 2007 MPC M.P.E.C. 2007-X14
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