MPEC 2004-X28 : COMET P/2004 WR9 (LINEAR)
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M.P.E.C. 2004-X28 Issued 2004 Dec. 8, 16:42 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
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/2004 WR9 (LINEAR)
Observations:
PK04W09R C2004 12 03.00840 05 29 19.42 +31 08 31.2 18.2 N EX028J95
PK04W09R C2004 12 03.02676 05 29 18.97 +31 08 35.9 18.4 N EX028J95
PK04W09R C2004 12 03.28067 05 29 14.06 +31 09 41.4 18.5 N EX028673
PK04W09R C2004 12 03.28530 05 29 13.93 +31 09 42.3 EX028673
PK04W09R C2004 12 03.28970 05 29 13.82 +31 09 43.5 EX028673
PK04W09R C2004 12 03.29618 05 29 13.68 +31 09 45.1 EX028673
PK04W09R C2004 12 03.34984 05 29 12.08 +31 09 57.3 18.1 N EX028850
PK04W09R C2004 12 03.36707 05 29 11.75 +31 10 01.4 18.1 N EX028H36
PK04W09R C2004 12 03.37006 05 29 11.55 +31 10 02.3 18.1 N EX028850
PK04W09R C2004 12 03.38144 05 29 11.42 +31 10 04.4 18.2 N EX028H36
PK04W09R C2004 12 03.39514 05 29 11.07 +31 10 08.1 18.1 N EX028H36
PK04W09R C2004 12 03.44622 05 29 09.91 +31 10 18.9 17.7 N EX028850
PK04W09R C2004 12 03.45416 05 29 09.69 +31 10 22.2 17.8 N EX028850
PK04W09R C2004 12 03.46617 05 29 09.41 +31 10 23.6 17.8 N EX028850
PK04W09R C2004 12 03.77014 05 29 03.58 +31 11 36.0 19.9 N EX028A83
PK04W09R C2004 12 03.79628 05 29 03.25 +31 11 42.5 18.3 N EX028A83
PK04W09R C2004 12 03.80941 05 29 02.96 +31 11 46.2 17.9 N EX028A83
PK04W09R C2004 12 04.24381 05 28 53.56 +31 13 34.8 18.2 N EX028649
PK04W09R C2004 12 04.25183 05 28 53.33 +31 13 36.6 18.2 N EX028649
PK04W09R C2004 12 04.28367 05 28 52.58 +31 13 44.5 17.9 N EX028734
PK04W09R C2004 12 04.29896 05 28 52.40 +31 13 49.0 19.0 N EX028673
PK04W09R C2004 12 04.30035 05 28 52.36 +31 13 49.4 EX028673
PK04W09R C2004 12 04.30590 05 28 52.21 +31 13 50.6 EX028673
PK04W09R C2004 12 04.30764 05 28 52.19 +31 13 51.1 EX028673
PK04W09R C2004 12 04.31250 05 28 52.04 +31 13 52.2 EX028673
PK04W09R C2004 12 04.31424 05 28 52.02 +31 13 52.7 EX028673
PK04W09R C2004 12 04.31649 05 28 51.76 +31 13 52.2 18.0 N EX028734
PK04W09R C2004 12 04.33647 05 28 51.54 +31 13 58.5 17.2 N EX028G72
PK04W09R C2004 12 04.33905 05 28 51.42 +31 13 58.6 17.7 N EX028G72
PK04W09R C2004 12 04.34334 05 28 51.30 +31 13 59.3 17.9 N EX028G72
PK04W09R C2004 12 04.34593 05 28 51.26 +31 13 59.7 17.6 N EX028G72
PK04W09R C2004 12 04.34938 05 28 51.13 +31 14 00.9 17.9 N EX028G72
PK04W09R C2004 12 04.35280 05 28 51.03 +31 14 01.8 17.6 N EX028G72
PK04W09R C2004 12 04.36921 05 28 50.32 +31 14 03.7 18.0 N EX028850
PK04W09R C2004 12 04.37788 05 28 50.09 +31 14 06.2 18.3 N EX028850
PK04W09R C2004 12 04.97587 05 28 37.30 +31 16 27.4 EX028246
PK04W09R C2004 12 04.97700 05 28 37.29 +31 16 27.9 EX028246
PK04W09R C2004 12 04.97850 05 28 37.23 +31 16 28.1 EX028246
PK04W09R C2004 12 04.98142 05 28 37.18 +31 16 28.9 EX028246
PK04W09R C2004 12 04.98192 05 28 37.15 +31 16 29.0 EX028246
PK04W09R C2004 12 04.98421 05 28 37.10 +31 16 29.5 EX028246
PK04W09R C2004 12 04.98569 05 28 37.06 +31 16 29.8 EX028246
PK04W09R C2004 12 05.01409 05 28 36.32 +31 16 36.3 EX028118
PK04W09R C2004 12 05.02430 05 28 36.08 +31 16 38.9 EX028118
PK04W09R C2004 12 05.31256 05 28 29.61 +31 17 47.7 18.2 N EX028734
PK04W09R C2004 12 05.31541 05 28 29.58 +31 17 48.2 18.3 N EX028734
PK04W09R C2004 12 05.32111 05 28 29.39 +31 17 49.7 18.2 N EX028734
PK04W09R C2004 12 05.84958 05 28 17.90 +31 19 49.5 18.1 N EX028J87
PK04W09R C2004 12 05.85742 05 28 17.61 +31 19 52.2 17.8 N EX028J87
PK04W09R C2004 12 05.86546 05 28 17.49 +31 19 53.6 18.1 N EX028J87
PK04W09R C2004 12 05.91338 05 28 16.15 +31 20 04.6 17.7 N EX028143
PK04W09R C2004 12 05.91635 05 28 16.10 +31 20 05.5 17.8 N EX028143
PK04W09R C2004 12 05.92006 05 28 15.99 +31 20 06.1 17.8 N EX028143
PK04W09R C2004 12 05.92395 05 28 15.90 +31 20 07.3 17.6 N EX028143
PK04W09R C2004 12 05.92692 05 28 15.82 +31 20 07.9 17.8 N EX028143
PK04W09R C2004 12 05.92841 05 28 15.78 +31 20 08.4 17.8 N EX028143
PK04W09R C2004 12 05.93538 05 28 15.61 +31 20 09.6 17.7 N EX028143
PK04W09R C2004 12 06.10128 05 28 12.09 +31 20 47.3 18.0 N EX028H06
PK04W09R C2004 12 06.12370 05 28 11.53 +31 20 53.0 17.8 N EX028H06
PK04W09R C2004 12 06.14008 05 28 11.13 +31 20 57.1 18.1 N EX028H06
PK04W09R C2004 12 06.97956 05 27 50.69 +31 24 04.7 17.9 N EX028118
PK04W09R C2004 12 06.98888 05 27 50.44 +31 24 06.9 18.0 N EX028118
PK04W09R C2004 12 06.99631 05 27 50.24 +31 24 08.7 18.0 N EX028118
PK04W09R C2004 12 07.01601 05 27 49.86 +31 24 12.4 18.1 T EX028J95
PK04W09R C2004 12 07.03627 05 27 49.29 +31 24 16.8 17.9 T EX028J95
PK04W09R C2004 12 07.31729 05 27 42.52 +31 25 21.0 18.6 N EX028704
PK04W09R C2004 12 07.33090 05 27 42.14 +31 25 24.1 18.9 N EX028704
PK04W09R C2004 12 07.34347 05 27 41.74 +31 25 27.7 18.6 N EX028704
PK04W09R C2004 12 07.35648 05 27 41.40 +31 25 29.9 18.4 N EX028704
PK04W09R C2004 12 07.36992 05 27 41.02 +31 25 32.9 18.5 N EX028704
PK04W09R C2004 12 07.78363 05 27 31.71 +31 26 58.1 EX028587
PK04W09R C2004 12 07.78804 05 27 31.50 +31 26 58.1 EX028587
PK04W09R C2004 12 07.79255 05 27 31.21 +31 26 59.1 EX028587
PK04W09R C2004 12 08.00050 05 27 25.60 +31 27 43.7 EX028246
PK04W09R C2004 12 08.03328 05 27 24.78 +31 27 53.7 17.8 N EX028130
PK04W09R C2004 12 08.05588 05 27 24.13 +31 27 58.4 18.0 N EX028130
PK04W09R C2004 12 08.08373 05 27 23.41 +31 28 04.2 17.8 N EX028130
PK04W09R C2004 12 08.16978 05 27 21.86 +31 28 23.6 17.8 N EX028649
PK04W09R C2004 12 08.19486 05 27 21.11 +31 28 29.1 17.6 N EX028649
PK04W09R C2004 12 08.20090 05 27 20.97 +31 28 30.1 17.4 N EX028734
PK04W09R C2004 12 08.20946 05 27 20.79 +31 28 31.5 17.5 N EX028734
PK04W09R C2004 12 08.21230 05 27 20.75 +31 28 31.9 17.8 N EX028734
PK04W09R C2004 12 08.23077 05 27 20.15 +31 28 37.1 17.9 N EX028649
PK04W09R C2004 12 08.38958 05 27 15.56 +31 29 09.1 17.4 N EX028850
PK04W09R C2004 12 08.39374 05 27 15.46 +31 29 09.5 17.3 N EX028850
PK04W09R C2004 12 08.39825 05 27 15.35 +31 29 10.8 17.6 N EX028850
PK04W09R C2004 12 08.40206 05 27 15.23 +31 29 11.2 17.9 N EX028850
PK04W09R C2004 12 08.40594 05 27 15.16 +31 29 12.6 17.8 N EX028850
Observer details:
118 Modra. Observers L. Kornos, J. Vilagi. 0.6-m f/5.5 reflector + CCD.
130 Lumezzane. Observers C. Cremaschini, S. Foglia, W. Marinello, M. Micheli,
G. Pizzetti. Measurers F. Diomede, S. Foglia, G. Galli, W. Marinello.
0.40-m f/4.5 reflector + CCD.
143 Gnosca. Observer S. Sposetti. 0.40-m f/4 reflector + CCD.
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy, M. Kocer.
Measurer M. Tichy. 1.06-m KLENOT Telescope + CCD.
587 Sormano. Observer F. Manca. 0.5-m f/6 reflector + CCD.
649 Powell Observatory, Louisburg. Observers R. Fredrick, R. Trentman.
0.75-m Newtonian reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observers J. Young, D. Mayes.
0.6-m reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
H. Stange, A. Milner. Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
1.0-m f/2.15 reflector + CCD.
734 Farpoint Observatory. Observers D. Tibbets, G. Hug, D. Brunken, W. Leifer.
Measurer G. Hug. 0.4-m f/6 Schmidt-Cassegrain + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.30-m f/5.86
Schmidt-Cassegrain + CCD.
A83 Jakokoski Observatory. Observer P. Paakkonen. 0.50-m f/8.5
Cassegrain + CCD.
G72 University Hills. Observer J. Foster. 0.33-m reflector + CCD.
H06 New Mexico Skies Observatory. Observer J. Sue. 0.25-m reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.3-m f/6
Schmidt-Cassegrain + CCD.
J87 La Canada. Observer J. Lacruz. 0.30-m f/10 Schmidt-Cassegrain + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.30-m f/6.3 Schmidt-Cassegrain
+ CCD.
Orbital elements:
P/2004 WR9 (LINEAR)
T 2005 Jan. 11.3666 TT MPC
q 1.917200 (2000.0) P Q
n 0.0661284 Peri. 70.5784 -0.1033533 -0.9939262
a 6.056348 Node 25.4444 +0.8763833 -0.1089713
e 0.683440 Incl. 5.0473 +0.4703938 -0.0153593
P 14.9
From 93 observations 2004 Nov. 22-Dec. 8.
Ephemeris:
P/2004 WR9 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 12 01 05 29.97 +31 00.1 0.998 1.963 163.7 8.1 17.4
2004 12 11 05 26.14 +31 37.9 0.965 1.944 170.9 4.6 17.3
2004 12 21 05 21.71 +32 02.6 0.956 1.930 168.3 5.9 17.3
2004 12 31 05 18.34 +32 13.4 0.969 1.921 159.5 10.3 17.3
2005 01 10 05 17.43 +32 12.0 1.002 1.917 149.8 14.9 17.3
2005 01 20 05 19.94 +32 01.7 1.054 1.919 140.6 19.0 17.4
2005 01 30 05 26.16 +31 45.8 1.123 1.927 132.0 22.3 17.6
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-X28
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