MPEC 2004-D46 : 2004 DA53

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M.P.E.C. 2004-D46                                Issued 2004 Feb. 28, 01:43 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 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 DA53

Observations:
     K04D53A* C2004 02 26.27430 09 35 10.97 +13 54 06.7          19.2   ED046704
     K04D53A  C2004 02 26.28559 09 34 49.97 +13 50 41.0          19.9   ED046704
     K04D53A  C2004 02 26.29681 09 34 29.29 +13 47 17.6          19.2   ED046704
     K04D53A  C2004 02 26.30797 09 34 09.03 +13 43 56.7          19.0   ED046704
     K04D53A  C2004 02 26.31913 09 33 49.03 +13 40 36.1          19.2   ED046704
     K04D53A  C2004 02 26.99252 09 21 06.04 +11 06 34.8          19.1 R ED046J95
     K04D53A  C2004 02 26.99649 09 21 01.91 +11 05 52.7          19.6 R ED046J95
     K04D53A  C2004 02 27.05537 09 20 03.75 +10 55 47.8          20.3 R ED046J95
     K04D53A  C2004 02 27.21765 09 18 10.51 +10 32 20.3          19.4 R ED046649
     K04D53A  C2004 02 27.21873 09 18 09.49 +10 32 09.9          20.0 R ED046649
     K04D53A  C2004 02 27.21980 09 18 08.53 +10 32 02.1          19.6 R ED046649
     K04D53A  C2004 02 27.22088 09 18 07.55 +10 31 51.6          19.6 R ED046649
     K04D53A  C2004 02 27.22410 09 18 04.59 +10 31 23.5          19.5 R ED046649
     K04D53A  C2004 02 27.89914 09 11 28.07 +09 07 59.6          20.5 R ED046J95
     K04D53A  C2004 02 27.92505 09 11 12.54 +09 05 27.9          20.5 R ED046J95
     K04D53A  C2004 02 27.94440 09 11 01.03 +09 03 36.3          20.8 R ED046J95
     K04D53A  C2004 02 27.96787 09 10 47.34 +09 01 19.9                 ED046J95

Observer details:
649 Powell Observatory, Louisburg.  Observer R. Fredrick.  0.75-m Newtonian
    + 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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 DA53
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M 260.53193              (2000.0)            P               Q
n   1.18442191     Peri.   50.01322     +0.89189527     -0.45086615
a   0.8847049      Node   336.72109     +0.38297551     +0.79444746
e   0.3290009      Incl.    5.11719     +0.24052565     +0.40690656
P   0.83           H   28.0           G   0.15           U   8
Residuals in seconds of arc
040226 704  0.4-  0.5-    040226 J95  0.6+  0.3+    040227 649  0.1+  0.1+
040226 704  0.3+  0.1-    040227 J95  0.5-  0.3-    040227 J95  0.3-  0.1-
040226 704  0.0   0.0     040227 649  0.4-  0.6-    040227 J95  0.3-  0.3-
040226 704  0.2+  0.4+    040227 649  0.7-  1.4-    040227 J95  0.3-  0.7+
040226 704  0.2+  0.2-    040227 649  0.3-  0.4+    040227 J95  1.5+  0.2+
040226 J95  1.8+  1.1+    040227 649  0.1-  0.5-

Ephemeris:
2004 DA53                a,e,i = 0.89, 0.32, 5                   q = 0.5976
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 02 25    10 59.29   +27 40.5    0.0049   0.994   160.5    19.4    17.4
2004 02 26    09 43.62   +15 34.0    0.0095   0.999   166.2    13.7    18.7
2004 02 27    09 21.09   +11 11.9    0.015    1.004   161.0    18.7    19.8
2004 02 28    09 10.58   +09 03.3    0.020    1.009   157.6    22.0    20.6
2004 02 29    09 04.58   +07 47.7    0.025    1.013   155.1    24.3    21.2
2004 03 01    09 00.75   +06 58.1    0.030    1.018   153.2    26.0    21.6
2004 03 02    08 58.13   +06 23.2    0.036    1.023   151.6    27.4    22.0
2004 03 03    08 56.28   +05 57.3    0.041    1.027   150.2    28.7    22.4
2004 03 04    08 54.93   +05 37.3    0.046    1.031   148.9    29.8    22.7
2004 03 05    08 53.94   +05 21.5    0.052    1.036   147.7    30.7    23.0
2004 03 06    08 53.21   +05 08.7    0.057    1.040   146.6    31.7    23.2

     Close approach to Earth was 0.0033 AU on February 24.25.

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-D46

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