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  • MPEC 2004-D15 : 2004 DW

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    M.P.E.C. 2004-D15                                Issued 2004 Feb. 20, 14:15 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 Steven and Michele Kirsch 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 DW
    
                               Revision to MPEC 2004-D13
    
    Additional Observations:
         K04D00W   1951 11 08.41736 05 55 01.13 +23 42 04.4          18.9 R ED015261
         K04D00W   1954 11 23.40868 06 10 51.27 +22 11 34.8          18.9 R ED015261
         K04D00W   1991 02 07.30243 08 40 20.60 +03 06 46.5          18.1 R ED015261
         K04D00W   1992 01 13.62253 08 45 46.95 +02 29 57.6          18.0 R ED015260
         K04D00W   1992 11 28.51285 08 51 43.88 +02 01 16.5          17.9 R ED015261
         K04D00W   1993 03 23.18681 08 44 49.49 +02 20 30.0                 ED015261
         K04D00W   1996 04 07.19375 08 54 50.20 +00 54 11.0                 ED015261
         K04D00W  C2000 12 01.53502 09 19 09.09 -02 01 42.9          18.2 R ED015608
         K04D00W  C2000 12 01.54597 09 19 09.08 -02 01 43.4          18.5 R ED015608
         K04D00W  C2000 12 01.55675 09 19 09.05 -02 01 43.8          18.7 R ED015608
         K04D00W  C2001 01 19.45102 09 16 45.05 -02 05 18.9          18.6 R ED015608
         K04D00W  C2001 01 19.46162 09 16 45.02 -02 05 18.7          18.3 R ED015608
         K04D00W  C2001 01 28.50126 09 16 06.72 -02 03 37.1          18.3 R ED015608
         K04D00W  C2001 01 28.52257 09 16 06.62 -02 03 36.6          18.3 R ED015608
         K04D00W  C2001 12 24.54084 09 21 45.21 -02 36 04.5          18.7 R ED015608
         K04D00W  C2001 12 24.55109 09 21 45.20 -02 36 04.4          18.6 R ED015608
         K04D00W  C2001 12 24.55124 09 21 45.17 -02 36 04.8          18.5 R ED015608
         K04D00W  C2001 12 24.56179 09 21 45.15 -02 36 04.8          18.7 R ED015608
         K04D00W  C2002 01 10.42906 09 20 48.46 -02 36 23.9          18.7 R ED015644
         K04D00W  C2002 01 10.44340 09 20 48.38 -02 36 23.4          18.8 R ED015644
         K04D00W  C2002 01 10.45925 09 20 48.33 -02 36 23.2          18.5 R ED015644
         K04D00W  C2002 02 03.55759 09 19 08.78 -02 32 21.6          18.7 R ED015608
         K04D00W  C2002 02 03.56816 09 19 08.71 -02 32 21.3          18.8 R ED015608
         K04D00W  C2002 02 03.57876 09 19 08.68 -02 32 21.1          19.0 R ED015608
         K04D00W  C2002 02 08.29211 09 18 48.17 -02 31 01.3          18.6 R ED015644
         K04D00W  C2002 02 08.31306 09 18 48.07 -02 31 00.8          18.7 R ED015644
         K04D00W  C2002 02 08.33405 09 18 47.99 -02 31 00.5          18.7 R ED015644
         K04D00W  C2002 02 19.44429 09 18 00.22 -02 27 17.5          18.8 R ED015644
         K04D00W  C2002 02 20.27543 09 17 56.76 -02 26 58.6                 ED015644
         K04D00W  C2002 03 10.14123 09 16 46.63 -02 19 41.4          18.7 R ED015644
         K04D00W  C2004 02 19.90095 09 24 54.23 -03 27 29.0          18.5 R ED015620
         K04D00W  C2004 02 19.91583 09 24 54.17 -03 27 28.7          18.7 R ED015620
    
    Observer details:
    260 Siding Spring-DSS.  Measurer R. Matson.  1.2-m Schmidt.
    261 Palomar-DSS.  Measurers R. Matson, R. Stoss.  1.2-m Schmidt.  The 1954
        observation was recorded as a star in the USNO-B1.0 catalogue.
    608 Haleakala-NEAT/MSSS.  Observers R. Bambery, E. Helin, S. Pravdo, M. Hicks,
        K. Lawrence, P. Kervin, R. Maeda, J. Africano.  Measurers M. Meyer,
        R. Stoss.  1.2-m reflector + CCD.
    620 Observatorio Astronomico de Mallorca.  Observers S. Sanchez, R. Stoss,
        J. Nomen.  0.30-m f/9 Schmidt-Cassegrain + CCD.
    644 Palomar Mountain/NEAT.  Observers R. Bambery, E. Helin, S. Pravdo,
        K. Lawrence, R. Thicksten.  Measurer R. Stoss.  1.2-m Schmidt + CCD.
    
    Orbital elements:
    2004 DW
    Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
    M 157.53750              (2000.0)            P               Q
    n   0.00397409     Peri.   73.33446     +0.88938921     +0.29289657
    a  39.4739612      Node   268.53704     -0.41784230     +0.83231357
    e   0.2179056      Incl.   20.55527     +0.18545792     +0.47060145
    P 248              H    2.2           G   0.15           U   1
    Residuals in seconds of arc
    511108 261  0.0   0.0     011224 608  0.1+  0.2+    031203 675  0.3+  0.5+
    541123 261  0.0   0.0     011224 608  0.3-  0.2-    040217 675  0.1+  0.1-
    910207 261  0.0   0.1-    011224 608  0.2-  0.1-    040217 675  0.1+  0.0
    920113 260  0.1-  0.1+    020110 644  0.1-  0.4-    040217 675  0.1+  0.0
    921128 261  0.2+  0.2+    020110 644  0.5-  0.1+    040218 493  0.1-  0.2-
    930323 261  0.0   0.2-    020110 644  0.3-  0.2+    040218 493  0.1-  0.0
    960407 261  0.1+  0.0     020203 608  0.4+  0.1-    040218 493  0.1-  0.3+
    001201 608  0.0   0.2+    020203 608  0.1+  0.0     040218 673  0.4+  0.3-
    001201 608  0.0   0.1-    020203 608  0.3+  0.0     040218 673  0.3+  0.2-
    001201 608  0.2-  0.3-    020208 644  0.2-  0.0     040218 673  0.1+  0.1-
    010119 608  0.3+  0.2+    020208 644  0.3-  0.1+    040218 673  0.2+  0.0
    010119 608  0.5+  0.3+    020208 644  0.1-  0.0     040219 A21  0.2-  0.1-
    010128 608  0.2+  0.2-    020219 644  0.4-  0.0     040219 620  0.2-  0.1-
    010128 608  0.1+  0.1+    020220 644  0.0   0.5+    040219 620  0.1-  0.2-
    011224 608  0.2-  0.1+    020310 644  0.3-  0.0
    
    Ephemeris:
    2004 DW                  a,e,i = 39.47, 0.22, 21                 q = 30.872
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2004 02 15    09 25.25   -03 29.2   46.665   47.607   162.3     0.4    19.0
    2004 02 25    09 24.55   -03 25.5   46.682   47.609   159.3     0.4    19.0
    2004 03 06    09 23.89   -03 21.4   46.727   47.610   152.6     0.5    19.0
    2004 03 16    09 23.29   -03 16.9   46.799   47.612   144.4     0.7    19.1
    2004 03 26    09 22.78   -03 12.3   46.896   47.614   135.6     0.8    19.1
    2004 04 05    09 22.38   -03 07.7   47.014   47.615   126.4     1.0    19.1
    2004 04 15    09 22.09   -03 03.3   47.150   47.617   117.2     1.1    19.1
    2004 04 25    09 21.93   -02 59.2   47.299   47.618   107.9     1.2    19.1
    2004 05 05    09 21.90   -02 55.6   47.458   47.620    98.6     1.2    19.1
    2004 05 15    09 22.00   -02 52.6   47.621   47.622    89.4     1.2    19.2
    2004 05 25    09 22.24   -02 50.3   47.783   47.623    80.3     1.2    19.2
    2004 06 04    09 22.59   -02 48.7   47.941   47.625    71.2     1.2    19.2
    2004 06 14    09 23.07   -02 48.0   48.090   47.626    62.3     1.1    19.2
    2004 06 24    09 23.64   -02 48.2   48.226   47.628    53.5     1.0    19.2
    2004 07 04    09 24.31   -02 49.2   48.345   47.629    44.8     0.9    19.2
    2004 07 14    09 25.05   -02 51.0   48.444   47.631    36.5     0.7    19.1
    
         The 2:3 Neptune-resonance orbit keeps the object more than 18 AU from
    Neptune over a 14 000-year period.
    
    Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-D15
    

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