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Minor Planet Center

MPEC 2004-U43 : 2004 UR1

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M.P.E.C. 2004-U43                                Issued 2004 Oct. 26, 14:43 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

                                   2004 UR1

Observations:
     K04U01R* C2004 10 23.26268 02 27 07.38 +44 09 17.3          16.8   EU043704
     K04U01R  C2004 10 23.27438 02 27 07.30 +44 07 33.7          16.7   EU043704
     K04U01R  C2004 10 23.28608 02 27 07.22 +44 05 49.2          16.9   EU043704
     K04U01R  C2004 10 23.29776 02 27 07.10 +44 04 05.1          17.0   EU043704
     K04U01R  C2004 10 23.30944 02 27 07.01 +44 02 20.9          16.8   EU043704
     K04U01R  C2004 10 23.90980 02 27 25.96 +42 35 42.6          17.2 V EU043198
     K04U01R  C2004 10 23.91054 02 27 25.94 +42 35 36.4          16.8 V EU043198
     K04U01R  C2004 10 23.91490 02 27 25.93 +42 35 00.5          17.0 V EU043198
     K04U01R  C2004 10 23.91635 02 27 25.93 +42 34 49.1          17.1 V EU043198
     K04U01R  C2004 10 23.91998 02 27 25.95 +42 34 19.4          17.2 V EU043198
     K04U01R  C2004 10 24.17630 02 27 33.55 +41 59 34.1          16.8 R EU043649
     K04U01R  C2004 10 24.17807 02 27 33.53 +41 59 20.1          16.8 R EU043649
     K04U01R  C2004 10 24.17985 02 27 33.53 +41 59 06.0          16.9 R EU043649
     K04U01R  C2004 10 24.22118 02 27 34.85 +41 53 41.9          16.4 R EU043854
     K04U01R  C2004 10 24.22213 02 27 34.85 +41 53 34.7          16.3 R EU043854
     K04U01R  C2004 10 24.22309 02 27 34.84 +41 53 27.2          16.5 R EU043854
     K04U01R  C2004 10 24.22405 02 27 34.82 +41 53 19.4          16.3 R EU043854
     K04U01R  C2004 10 24.22997 02 27 34.41 +41 52 34.4          16.9 R EU043448
     K04U01R  C2004 10 24.23381 02 27 34.37 +41 52 04.2          16.9 R EU043448
     K04U01R  C2004 10 24.23790 02 27 34.34 +41 51 32.2          16.9 R EU043448
     K04U01R  C2004 10 24.23921 02 27 33.18 +41 51 15.3          16.8 R EU043734
     K04U01R  C2004 10 24.23998 02 27 33.19 +41 51 09.8          17.0 R EU043734
     K04U01R  C2004 10 24.24075 02 27 33.19 +41 51 03.4          17.0 R EU043734
     K04U01R  C2004 10 24.24152 02 27 33.20 +41 50 57.0          16.9 R EU043734
     K04U01R  C2004 10 24.24228 02 27 34.29 +41 50 57.7          16.9 R EU043448
     K04U01R  C2004 10 24.25216 02 27 34.16 +41 49 38.1          16.8   EU043704
     K04U01R  C2004 10 24.26397 02 27 33.96 +41 48 05.1          17.4   EU043704
     K04U01R  C2004 10 24.27589 02 27 33.90 +41 46 30.7          17.2   EU043704
     K04U01R  C2004 10 24.28770 02 27 33.78 +41 44 57.3          17.2   EU043704
     K04U01R  C2004 10 24.29951 02 27 33.61 +41 43 24.2          17.4   EU043704
     K04U01R 2C2004 10 24.33056 02 27 33.05 +41 39 19.2          16.2 R EU043H06
     K04U01R 2C2004 10 24.33261 02 27 33.02 +41 39 03.1          16.6 R EU043H06
     K04U01R 2C2004 10 24.33465 02 27 33.08 +41 38 46.4          15.5 R EU043H06
     K04U01R 3C2004 10 24.49470 02 27 32.46 +41 17 28.4          16.3 V EU043H06
     K04U01R 3C2004 10 24.49580 02 27 32.50 +41 17 19.7          16.6 V EU043H06
     K04U01R 3C2004 10 24.49706 02 27 32.52 +41 17 09.8          16.8 V EU043H06
     K04U01R  C2004 10 24.72938 02 27 47.18 +40 47 07.4          16.5 V EU043198
     K04U01R  C2004 10 24.73222 02 27 47.24 +40 46 46.7          16.5 V EU043198
     K04U01R  C2004 10 24.73506 02 27 47.30 +40 46 25.9          16.6 V EU043198
     K04U01R  C2004 10 24.76520 02 27 47.94 +40 42 45.8          16.6 V EU043151
     K04U01R  C2004 10 24.76574 02 27 47.96 +40 42 41.0          16.9 V EU043151
     K04U01R  C2004 10 24.76642 02 27 47.99 +40 42 37.2          16.3 V EU043151
     K04U01R  C2004 10 24.78951 02 27 48.03 +40 39 51.0                 EU043246
     K04U01R  C2004 10 24.78987 02 27 48.03 +40 39 48.3                 EU043246
     K04U01R  C2004 10 24.79030 02 27 48.04 +40 39 45.4                 EU043246
     K04U01R  C2004 10 24.79069 02 27 48.03 +40 39 42.7                 EU043246
     K04U01R  C2004 10 24.79115 02 27 48.03 +40 39 39.0                 EU043246
     K04U01R  C2004 10 24.79176 02 27 48.05 +40 39 34.4                 EU043246
     K04U01R  C2004 10 24.80281 02 27 48.46 +40 38 12.0          16.5 V EU043151
     K04U01R  C2004 10 24.80365 02 27 48.36 +40 38 05.9          16.5 V EU043151
     K04U01R  C2004 10 24.80492 02 27 48.44 +40 37 56.7          16.2 V EU043151
     K04U01R  C2004 10 24.80584 02 27 48.44 +40 37 50.3          16.6 V EU043151
     K04U01R  C2004 10 24.85497 02 27 48.78 +40 31 43.9          17.2 R EU043J95
     K04U01R  C2004 10 24.85808 02 27 48.87 +40 31 21.0          16.5 R EU043J95
     K04U01R  C2004 10 24.86089 02 27 48.87 +40 31 00.6          17.2 R EU043J95
     K04U01R  C2004 10 25.10999 02 27 54.67 +40 00 49.5          16.8 R EU043649
     K04U01R  C2004 10 25.11177 02 27 54.67 +40 00 37.1          17.2 R EU043649
     K04U01R  C2004 10 25.11355 02 27 54.68 +40 00 24.5          17.0 R EU043649
     K04U01R  C2004 10 25.25241 02 27 54.82 +39 44 11.9          16.8   EU043704
     K04U01R  C2004 10 25.26426 02 27 54.65 +39 42 48.4          17.2   EU043704
     K04U01R  C2004 10 25.27611 02 27 54.50 +39 41 25.3          17.1   EU043704
     K04U01R  C2004 10 25.29983 02 27 54.14 +39 38 38.3          17.2   EU043704
     K04U01R  C2004 10 25.34568 02 27 52.72 +39 33 05.5          17.2 R EU043734
     K04U01R  C2004 10 25.34646 02 27 52.69 +39 32 59.8          17.1 R EU043734
     K04U01R  C2004 10 25.34722 02 27 52.70 +39 32 54.2          17.2 R EU043734
     K04U01R  C2004 10 25.35019 02 27 52.64 +39 32 33.0          17.2 R EU043734
     K04U01R  C2004 10 25.35096 02 27 52.66 +39 32 27.7          17.2 R EU043734
     K04U01R  C2004 10 25.94849 02 28 06.28 +38 24 37.9          17.5 R EU043J95
     K04U01R  C2004 10 25.95194 02 28 06.24 +38 24 15.3          17.5 R EU043J95
     K04U01R  C2004 10 25.95595 02 28 06.21 +38 23 49.5          17.5 R EU043J95

Observer details:
151 Eschenberg Observatory, Winterthur.  Observer M. Griesser.  0.40-m f/5.9
    Hypergraph + CCD.
198 Wildberg.  Observer R. Apitzsch.  0.35-m f/4.2 reflector + CCD.
246 Klet Observatory-KLENOT.  Observers J. Ticha, M. Tichy.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
448 Desert Moon Observatory.  Observer B. L. Stevens.  0.3-m
    Schmidt-Cassegrain + CCD.
649 Powell Observatory, Louisburg.  Observers R. Fredrick, R. Trentman.
    0.75-m Newtonian 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.  Measurer G. Hug.
    0.4-m f/6 Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory.  Observers R. Hutsebaut, J. Sue.  0.25-m
    reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 UR1                                                             PHA 0.020
Epoch 2004 Oct. 22.0 TT = JDT 2453300.5                 MPC
M  14.59026              (2000.0)            P               Q
n   0.30450554     Peri.   72.41601     +0.80914644     +0.58365483
a   2.1881273      Node   251.82396     -0.56262258     +0.73612726
e   0.6211046      Incl.    4.10650     -0.16952250     +0.34272977
P   3.24           H   20.2           G   0.15
From 70 observations 2004 Oct. 23-25.

Ephemeris:
2004 UR1                 a,e,i = 2.19, 0.62, 4                   q = 0.8291
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 10 22    02 26.32   +47 34.0    0.098    1.075   142.6    34.2    16.7
2004 11 01    02 28.91   +30 11.2    0.175    1.162   164.2    13.4    17.5
2004 11 11    02 29.54   +23 11.0    0.266    1.252   169.8     8.1    18.4
2004 11 21    02 31.36   +19 38.7    0.369    1.344   162.2    13.0    19.4
2004 12 01    02 35.13   +17 46.0    0.487    1.436   152.8    18.3    20.4
2004 12 11    02 40.86   +16 50.0    0.618    1.527   143.8    22.4    21.1
2004 12 21    02 48.48   +16 30.1    0.762    1.617   135.3    25.4    21.8

Timothy B. Spahr             (C) Copyright 2004 MPC           M.P.E.C. 2004-U43

Read MPEC 2004-U42 Read MPEC 2004-U44


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