MPEC 2004-Y16 : COMET P/2004 WR9 (LINEAR)
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M.P.E.C. 2004-Y16 Issued 2004 Dec. 18, 17:00 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 08.31239 05 27 17.93 +31 28 55.3 18.3 T EY016704
PK04W09R C2004 12 08.33507 05 27 17.29 +31 29 00.3 18.5 T EY016704
PK04W09R C2004 12 08.35118 05 27 16.80 +31 29 03.1 18.3 T EY016704
PK04W09R C2004 12 08.36725 05 27 16.31 +31 29 06.8 18.4 T EY016704
PK04W09R C2004 12 09.26572 05 26 53.93 +31 32 12.9 18.3 T EY016704
PK04W09R C2004 12 09.29136 05 26 53.21 +31 32 17.8 18.3 T EY016704
PK04W09R C2004 12 09.31604 05 26 52.41 +31 32 23.3 18.4 T EY016704
PK04W09R C2004 12 09.38550 05 26 50.48 +31 32 37.0 18.0 T EY016704
PK04W09R C2004 12 09.39849 05 26 50.05 +31 32 39.5 18.4 T EY016704
PK04W09R C2004 12 09.41179 05 26 49.73 +31 32 42.2 18.5 T EY016704
PK04W09R C2004 12 09.42512 05 26 49.39 +31 32 46.2 18.8 T EY016704
PK04W09R C2004 12 09.43847 05 26 48.93 +31 32 48.3 18.5 T EY016704
PK04W09R C2004 12 09.55649 05 26 46.61 +31 33 11.9 17.3 T EY016360
PK04W09R C2004 12 09.56076 05 26 46.49 +31 33 12.9 EY016360
PK04W09R C2004 12 09.56563 05 26 46.34 +31 33 13.9 EY016360
PK04W09R 2004 12 10.67049 05 26 16.97 +31 36 53.9 17.7 T EY016372
PK04W09R C2004 12 10.88142 05 26 11.94 +31 37 30.2 17.7 T EY016561
PK04W09R C2004 12 10.89086 05 26 11.66 +31 37 32.0 17.8 T EY016561
PK04W09R C2004 12 10.89525 05 26 11.54 +31 37 32.8 17.8 T EY016561
PK04W09R C2004 12 10.91058 05 26 11.06 +31 37 38.6 16.5 N EY016213
PK04W09R C2004 12 10.91782 05 26 11.01 +31 37 39.1 16.4 N EY016213
PK04W09R C2004 12 10.92510 05 26 10.93 +31 37 39.6 16.5 N EY016213
PK04W09R C2004 12 10.93454 05 26 10.49 +31 37 40.0 17.1 N EY016159
PK04W09R C2004 12 10.93988 05 26 10.44 +31 37 40.7 17.2 N EY016159
PK04W09R C2004 12 10.94181 05 26 10.28 +31 37 40.5 17.4 N EY016A32
PK04W09R C2004 12 10.94412 05 26 10.17 +31 37 42.2 17.3 N EY016159
PK04W09R C2004 12 10.94789 05 26 10.06 +31 37 42.5 17.3 N EY016159
PK04W09R C2004 12 10.94856 05 26 10.04 +31 37 42.2 17.7 N EY016A32
PK04W09R C2004 12 11.01603 05 26 08.15 +31 37 57.6 17.2 N EY016J78
PK04W09R C2004 12 11.67006 05 25 50.63 +31 40 00.5 EY016349
PK04W09R C2004 12 11.67881 05 25 50.37 +31 40 02.0 EY016349
PK04W09R C2004 12 11.68755 05 25 50.11 +31 40 03.7 17.5 T EY016349
PK04W09R C2004 12 12.02488 05 25 41.12 +31 41 03.2 EY016246
PK04W09R C2004 12 12.02633 05 25 41.07 +31 41 03.4 EY016246
PK04W09R C2004 12 12.02708 05 25 41.05 +31 41 03.5 EY016246
PK04W09R C2004 12 12.02787 05 25 41.03 +31 41 03.7 EY016246
PK04W09R C2004 12 12.02881 05 25 41.01 +31 41 03.7 EY016246
PK04W09R C2004 12 12.02950 05 25 40.99 +31 41 03.9 EY016246
PK04W09R C2004 12 13.22855 05 25 09.11 +31 44 38.6 17.9 T EY016H06
PK04W09R C2004 12 13.23501 05 25 08.95 +31 44 40.2 18.2 T EY016H06
PK04W09R C2004 12 13.24110 05 25 08.73 +31 44 40.8 17.7 T EY016H06
PK04W09R C2004 12 13.29903 05 25 06.95 +31 44 51.2 18.0 T EY016H06
PK04W09R C2004 12 13.30464 05 25 06.78 +31 44 52.0 18.1 T EY016H06
PK04W09R C2004 12 14.76276 05 24 27.75 +31 48 48.3 17.7 T EY016215
PK04W09R C2004 12 14.76333 05 24 27.75 +31 48 48.4 17.7 T EY016215
PK04W09R C2004 12 14.76390 05 24 27.73 +31 48 48.4 17.7 T EY016215
PK04W09R C2004 12 14.85412 05 24 25.13 +31 49 05.1 18.2 N EY016104
PK04W09R C2004 12 14.86294 05 24 24.88 +31 49 06.7 18.3 N EY016104
PK04W09R C2004 12 14.87227 05 24 24.59 +31 49 08.4 18.2 N EY016104
PK04W09R C2004 12 15.24683 05 24 14.29 +31 50 09.0 18.8 T EY016704
PK04W09R C2004 12 15.25965 05 24 13.80 +31 50 12.5 19.1 T EY016704
PK04W09R C2004 12 15.27297 05 24 13.35 +31 50 12.8 19.2 T EY016704
PK04W09R C2004 12 15.85697 05 23 58.05 +31 51 40.0 17.4 N EY016213
PK04W09R C2004 12 15.85944 05 23 57.95 +31 51 40.4 17.5 N EY016213
PK04W09R C2004 12 15.86174 05 23 57.90 +31 51 40.8 17.4 N EY016213
PK04W09R C2004 12 16.68389 05 23 35.06 +31 53 42.6 17.4 T EY016360
PK04W09R C2004 12 16.69168 05 23 34.79 +31 53 43.6 EY016360
PK04W09R C2004 12 17.24106 05 23 20.78 +31 55 01.6 18.0 T EY016704
PK04W09R C2004 12 17.25565 05 23 20.29 +31 55 02.8 18.1 T EY016704
PK04W09R C2004 12 17.26922 05 23 19.82 +31 55 05.2 18.5 T EY016704
PK04W09R C2004 12 17.28290 05 23 19.39 +31 55 07.3 18.6 T EY016704
PK04W09R C2004 12 17.29641 05 23 18.98 +31 55 09.1 18.2 T EY016704
PK04W09R C2004 12 18.00172 05 23 00.01 +31 56 42.8 17.2 N EY016J78
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli,
G. Fagioli. Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli.
0.60-m f/4 reflector + CCD.
159 Monte Agliale. Observers S. Donati, E. Mazzoni, F. Ciabattari, M. Rossi.
Measurer S. Donati. 0.51-m f/4.5 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves. Measurer M. Campas. 0.30-m
f/6.6 Schmidt-Cassegrain + CCD.
215 Buchloe. Observer W. Hasubick. 0.44-m f/4.6 reflector + CCD.
246 Klet Observatory-KLENOT. Observers J. Ticha, M. Tichy, M. Kocer.
Measurer M. Tichy. 1.06-m KLENOT Telescope + CCD.
349 Ageo. Observer K. Kadota. 0.25-m f/5.0 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/5.8 Ritchey-Chretien + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
561 Piszkesteto. Observer J. Kelemen. 0.6-m Schmidt + 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.
A32 Panker. Observer H. Denzau. 0.36-m f/5.5 Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory. Observer J. Sue. 0.25-m reflector + CCD.
J78 Murcia. Observer J. Sanchez. 0.25-m f/8.9 Schmidt-Cassegrain + CCD.
Orbital elements:
P/2004 WR9 (LINEAR)
T 2005 Jan. 11.6020 TT MPC
q 1.917626 (2000.0) P Q
n 0.0658739 Peri. 70.6771 -0.1052490 -0.9937259
a 6.071932 Node 25.4552 +0.8761535 -0.1106595
e 0.684182 Incl. 5.0503 +0.4704017 -0.0162285
P 15.0
From 151 observations 2004 Nov. 22-Dec. 18.
Ephemeris:
P/2004 WR9 (LINEAR)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2004 12 11 05 26.14 +31 37.9 0.966 1.945 170.9 4.6 17.3
2004 12 21 05 21.71 +32 02.7 0.957 1.930 168.3 5.9 17.3
2004 12 31 05 18.34 +32 13.5 0.969 1.921 159.5 10.3 17.3
2005 01 10 05 17.43 +32 12.1 1.003 1.918 149.8 14.9 17.3
2005 01 20 05 19.93 +32 01.9 1.055 1.920 140.6 19.0 17.4
2005 01 30 05 26.15 +31 46.0 1.123 1.927 132.0 22.3 17.6
2005 02 09 05 35.88 +31 25.9 1.206 1.940 124.1 24.9 17.8
2005 02 19 05 48.72 +31 01.8 1.300 1.958 116.9 26.8 18.0
2005 03 01 06 04.07 +30 32.9 1.405 1.981 110.3 28.0 18.2
Brian G. Marsden (C) Copyright 2004 MPC M.P.E.C. 2004-Y16
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