MPEC 2006-W67 : COMET P/2006 W4 (HILL)
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M.P.E.C. 2006-W67 Issued 2006 Nov. 24, 01:11 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 11 19.25555 03 13 38.20 +26 40 17.2 19.7 N EW067704
PK06W040 C2006 11 19.26784 03 13 37.75 +26 40 13.6 19.8 N EW067704
PK06W040 C2006 11 19.28015 03 13 37.28 +26 40 09.9 20.2 N EW067704
PK06W040 C2006 11 22.24600 03 12 01.31 +26 23 42.9 19.8 N EW067704
PK06W040 C2006 11 22.25840 03 12 00.90 +26 23 38.0 20.4 N EW067704
PK06W040 C2006 11 22.27088 03 12 00.56 +26 23 34.4 20.5 N EW067704
PK06W040 C2006 11 22.28331 03 12 00.08 +26 23 31.3 20.6 N EW067704
PK06W040 C2006 11 22.29575 03 11 59.84 +26 23 28.2 20.4 N EW067704
PK06W040 C2006 11 22.33647 03 11 58.56 +26 23 11.9 19.3 T EW067703
PK06W040 C2006 11 22.34410 03 11 58.05 +26 23 10.4 19.2 T EW067703
PK06W040 C2006 11 22.35176 03 11 57.91 +26 23 07.5 19.3 T EW067703
PK06W040 C2006 11 22.35943 03 11 57.69 +26 23 03.8 18.9 T EW067703
PK06W040 C2006 11 22.82596 03 11 43.01 +26 20 27.1 19.5 N EW067143
PK06W040 C2006 11 22.87875 03 11 41.17 +26 20 08.8 19.5 N EW067143
PK06W040 C2006 11 22.95629 03 11 38.85 +26 19 42.0 19.2 T EW067470
PK06W040 C2006 11 22.96182 03 11 38.45 +26 19 42.0 19.6 T EW067470
PK06W040 C2006 11 22.96694 03 11 38.12 +26 19 38.5 19.2 T EW067470
PK06W040 C2006 11 22.96971 03 11 38.20 +26 19 39.8 19.6 T EW067470
PK06W040 C2006 11 23.14491 03 11 32.74 +26 18 39.6 19.5 T EW067703
PK06W040 C2006 11 23.15269 03 11 32.53 +26 18 36.6 19.9 T EW067703
PK06W040 C2006 11 23.16045 03 11 32.20 +26 18 34.3 19.6 T EW067703
PK06W040 C2006 11 23.16387 03 11 32.13 +26 18 32.5 20.1 N EW067734
PK06W040 C2006 11 23.16821 03 11 31.99 +26 18 31.4 19.7 T EW067703
PK06W040 C2006 11 23.16826 03 11 32.01 +26 18 31.5 19.5 N EW067734
PK06W040 C2006 11 23.17265 03 11 31.86 +26 18 29.9 19.8 N EW067734
PK06W040 C2006 11 23.17703 03 11 31.77 +26 18 28.7 20.2 N EW067734
PK06W040 C2006 11 23.34477 03 11 26.22 +26 17 34.3 20.3 N EW067854
PK06W040 C2006 11 23.35245 03 11 25.98 +26 17 30.2 20.4 N EW067854
PK06W040 C2006 11 23.36016 03 11 25.78 +26 17 26.9 20.1 N EW067854
PK06W040 C2006 11 23.81138 03 11 11.59 +26 14 54.2 19.7 N EW067143
PK06W040 C2006 11 23.82274 03 11 11.20 +26 14 50.3 19.7 N EW067143
PK06W040 C2006 11 23.83377 03 11 10.82 +26 14 46.6 19.9 N EW067143
PK06W040 C2006 11 23.97545 03 11 06.32 +26 13 58.2 EW067J95
PK06W040 C2006 11 23.98152 03 11 06.12 +26 13 56.2 EW067J95
PK06W040 C2006 11 23.98742 03 11 05.92 +26 13 54.0 19.9 T EW067J95
Observer details:
143 Gnosca. Observer S. Sposetti. 0.40-m f/4 reflector + CCD.
470 Ceccano. Observers G. Masi, S. Trifourki. Measurer G. Masi. 0.28-m f/5
reflector + CCD.
703 Catalina Sky Survey. Observers R. E. Hill, R. A. Kowalski. 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.
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.
734 Farpoint Observatory. Observer G. Hug. 0.7-m reflector + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
P/2006 W4 (Hill)
T 2008 Feb. 29.798 TT MPC
q 4.54345 (2000.0) P Q
n 0.059784 Peri. 216.177 -0.169135 -0.890600
a 6.47755 Node 247.097 +0.977142 -0.095550
e 0.29858 Incl. 27.277 +0.128791 -0.444636
P 16.5
From 32 observations 2006 Nov. 19-23.
Ephemeris:
P/2006 W4 (Hill)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2006 11 21 03 12.69 +26 30.7 3.988 4.964 170.0 2.0 19.0
2006 12 01 03 07.55 +25 33.8 4.003 4.948 161.4 3.7 19.0
2006 12 11 03 03.16 +24 36.0 4.048 4.932 150.8 5.6 19.0
2006 12 21 02 59.85 +23 40.3 4.121 4.916 140.0 7.4 19.0
2006 12 31 02 57.86 +22 49.1 4.218 4.900 129.3 8.9 19.0
2007 01 10 02 57.29 +22 04.2 4.333 4.885 118.9 10.2 19.1
2007 01 20 02 58.17 +21 26.6 4.463 4.870 108.8 11.0 19.1
2007 01 30 03 00.47 +20 56.7 4.602 4.855 99.0 11.6 19.2
Brian G. Marsden (C) Copyright 2006 MPC M.P.E.C. 2006-W67
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