MPEC 2006-X71 : COMET P/2006 W4 (HILL)
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M.P.E.C. 2006-X71 Issued 2006 Dec. 15, 21:47 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET P/2006 W4 (HILL)
Observations:
PK06W040 C2006 12 01.17824 03 07 26.11 +25 32 46.6 19.5 T EX071673
PK06W040 C2006 12 01.18356 03 07 25.94 +25 32 43.8 EX071673
PK06W040 C2006 12 01.19074 03 07 25.79 +25 32 41.2 EX071673
PK06W040 C2006 12 01.19479 03 07 25.61 +25 32 40.0 EX071673
PK06W040 C2006 12 14.23815 03 01 44.54 +24 17 33.7 19.5 T EX071703
PK06W040 C2006 12 14.24407 03 01 44.43 +24 17 30.7 19.4 T EX071703
PK06W040 C2006 12 14.24996 03 01 44.22 +24 17 28.8 20.0 T EX071703
PK06W040 C2006 12 14.25587 03 01 44.00 +24 17 27.5 19.1 T EX071703
PK06W040 C2006 12 15.83759 03 01 09.22 +24 08 29.4 EX071246
PK06W040 C2006 12 15.84020 03 01 09.21 +24 08 29.2 EX071246
PK06W040 C2006 12 15.84095 03 01 09.17 +24 08 28.6 EX071246
PK06W040 C2006 12 15.84169 03 01 09.17 +24 08 28.5 EX071246
PK06W040 C2006 12 15.84369 03 01 09.09 +24 08 27.4 EX071246
Observer details:
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
673 Table Mountain Observatory, Wrightwood. Observer J. Young. 0.61-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer S. M. Larson. Measurers E. C. Beshore,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
R. A. Kowalski, S. M. Larson. 0.68-m Schmidt + CCD.
Orbital elements:
P/2006 W4 (Hill)
T 2009 Jan. 24.3309 TT MPC
q 4.443169 (2000.0) P Q
n 0.0598173 Peri. 249.8019 -0.5185274 -0.6705982
a 6.475175 Node 243.2352 +0.8165406 -0.5724649
e 0.313815 Incl. 36.4523 -0.2537534 -0.4717859
P 16.5
From 58 observations 2006 Nov. 19-Dec. 15.
Ephemeris:
P/2006 W4 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 12 11 03 03.01 +24 36.0 4.650 5.531 150.8 5.0 19.3
2006 12 21 02 59.45 +23 39.9 4.719 5.509 139.9 6.6 19.3
2006 12 31 02 57.06 +22 47.5 4.813 5.487 129.1 8.0 19.3
2007 01 10 02 55.95 +22 00.7 4.926 5.465 118.6 9.1 19.3
2007 01 20 02 56.15 +21 20.4 5.053 5.443 108.3 9.9 19.4
2007 01 30 02 57.67 +20 47.2 5.190 5.421 98.4 10.4 19.4
2007 02 09 03 00.41 +20 20.9 5.331 5.400 88.7 10.5 19.5
2007 02 19 03 04.28 +20 01.1 5.471 5.378 79.4 10.4 19.5
2007 03 01 03 09.18 +19 47.0 5.607 5.357 70.4 10.0 19.5
Further observations of this comet are desirable.
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-X71
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