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Minor Planet Center

MPEC 2005-A05 : 2005 AB

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M.P.E.C. 2005-A05                                Issued 2005 Jan. 3, 03:59 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

                                    2005 AB

Observations:
     K05A00B* C2005 01 01.42591 09 01 43.18 +12 39 30.3          18.0 R EA005703
     K05A00B  C2005 01 01.43238 09 01 43.46 +12 39 32.1          17.6 R EA005703
     K05A00B  C2005 01 01.43881 09 01 43.74 +12 39 33.3          17.9 R EA005703
     K05A00B  C2005 01 01.44522 09 01 44.03 +12 39 35.7          17.8 R EA005703
     K05A00B  C2005 01 01.98878 09 02 09.26 +12 41 59.6          18.6 R EA005J87
     K05A00B  C2005 01 01.99461 09 02 09.50 +12 42 01.4          18.4 R EA005J87
     K05A00B  C2005 01 01.99861 09 02 09.55 +12 42 00.7          18.6 R EA005J95
     K05A00B  C2005 01 02.00044 09 02 09.71 +12 42 03.3          18.7 R EA005J87
     K05A00B  C2005 01 02.00633 09 02 09.88 +12 42 02.6          18.5 R EA005J95
     K05A00B  C2005 01 02.01378 09 02 10.21 +12 42 04.4          18.3 R EA005J95
     K05A00B  C2005 01 02.06409 09 02 12.41 +12 42 21.2          17.7 R EA005952
     K05A00B  C2005 01 02.07402 09 02 12.78 +12 42 23.7          18.0 R EA005952
     K05A00B  C2005 01 02.07899 09 02 12.98 +12 42 25.4          17.7 R EA005952
     K05A00B  C2005 01 02.08608 09 02 13.24 +12 42 27.6          18.1 R EA005952
     K05A00B 3C2005 01 02.22758 09 02 20.17 +12 43 07.7          18.4 V EA005H06
     K05A00B 3C2005 01 02.23097 09 02 20.36 +12 43 09.0          18.1 V EA005H06
     K05A00B 3C2005 01 02.23770 09 02 20.60 +12 43 11.3          19.2 V EA005H06
     K05A00B  C2005 01 02.97339 09 02 53.12 +12 46 42.2          18.4 R EA005J95
     K05A00B  C2005 01 02.97413 09 02 53.18 +12 46 44.8          18.1 R EA005176
     K05A00B  C2005 01 02.97640 09 02 53.27 +12 46 45.5          18.1 R EA005176
     K05A00B  C2005 01 02.97867 09 02 53.36 +12 46 46.1          18.2 R EA005176
     K05A00B  C2005 01 02.98091 09 02 53.41 +12 46 44.7          18.5 R EA005J95
     K05A00B  C2005 01 02.98094 09 02 53.46 +12 46 46.8          18.1 R EA005176
     K05A00B  C2005 01 02.98321 09 02 53.55 +12 46 47.5          18.2 R EA005176
     K05A00B  C2005 01 02.98874 09 02 53.76 +12 46 46.6          18.5 R EA005J95
     K05A00B  C2005 01 03.01439 09 02 54.81 +12 46 54.9          18.5 R EA005J95

Observer details:
176 Observatori Astronomic de Consell.  Observers A. Lopez, R. Pacheco,
    J. Forteza.  0.41-m f/4 reflector + CCD.
703 Catalina Sky Survey.  Observer E. J. Christensen.  Measurers E. C. Beshore,
    C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson,
    R. H. McNaught.  0.68-m Schmidt + CCD.
952 Marxuquera.  Observer J. J. Gomez.  0.25-m f/7.3 Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory.  Observer J. Sue.  0.25-m reflector + CCD.
J87 La Canada.  Observer J. Lacruz.  0.30-m f/10 Schmidt-Cassegrain + CCD
    + f/3.3 focal reducer.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2005 AB
Epoch 2004 Dec. 21.0 TT = JDT 2453360.5                 MPC
M 342.56284              (2000.0)            P               Q
n   0.17413249     Peri.   57.95222     -0.99001863     +0.08699253
a   3.1760172      Node   126.80298     -0.11826046     -0.94074400
e   0.6290767      Incl.    7.96017     +0.07666538     -0.32776977
P   5.66           H   17.5           G   0.15
From 26 observations 2005 Jan. 1-3.

Ephemeris:
2005 AB                  a,e,i = 3.18, 0.63, 8                   q = 1.1781
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 12 31    09 00.62   +12 33.7    0.687    1.597   145.4    20.5    18.7
2005 01 10    09 07.67   +13 33.2    0.577    1.524   154.3    16.2    18.1
2005 01 20    09 13.39   +15 23.8    0.484    1.455   163.9    10.8    17.4
2005 01 30    09 18.45   +18 16.3    0.407    1.390   173.3     4.8    16.7
2005 02 09    09 24.08   +22 15.3    0.347    1.331   172.3     5.7    16.3
2005 02 19    09 32.57   +27 09.2    0.302    1.279   161.9    13.9    16.2
2005 03 01    09 47.02   +32 24.9    0.272    1.237   151.5    22.5    16.2
2005 03 11    10 10.39   +37 10.4    0.254    1.205   142.5    30.1    16.2
2005 03 21    10 44.23   +40 22.6    0.246    1.185   135.8    35.9    16.3
2005 03 31    11 26.16   +41 09.3    0.247    1.178   131.9    39.1    16.4
2005 04 10    12 09.78   +39 09.9    0.256    1.185   130.6    39.9    16.5
2005 04 20    12 49.01   +34 45.7    0.274    1.204   131.5    38.7    16.6
2005 04 30    13 21.13   +28 49.4    0.303    1.236   133.5    36.3    16.8
2005 05 10    13 46.53   +22 15.8    0.344    1.278   135.5    33.6    17.1
2005 05 20    14 07.12   +15 45.9    0.398    1.329   136.6    31.5    17.5
2005 05 30    14 24.65   +09 46.1    0.465    1.388   136.4    30.2    17.9
2005 06 09    14 40.41   +04 27.1    0.547    1.453   134.6    29.8    18.3
2005 06 19    14 55.39   -00 09.4    0.644    1.522   131.6    29.9    18.8
2005 06 29    15 10.14   -04 06.0    0.755    1.595   127.8    30.3    19.2
2005 07 09    15 24.95   -07 27.4    0.879    1.670   123.3    30.6    19.7
2005 07 19    15 40.07   -10 18.8    1.017    1.746   118.4    30.8    20.1
2005 07 29    15 55.51   -12 44.2    1.165    1.824   113.3    30.7    20.5
2005 08 08    16 11.33   -14 47.6    1.325    1.902   108.0    30.5    20.8
2005 08 18    16 27.51   -16 31.8    1.494    1.980   102.7    29.9    21.2
2005 08 28    16 44.01   -17 58.9    1.671    2.058    97.2    29.1    21.5
2005 09 07    17 00.78   -19 10.9    1.854    2.135    91.6    28.2    21.7
2005 09 17    17 17.79   -20 09.0    2.042    2.212    86.0    27.0    22.0

Kyle E. Smalley              (C) Copyright 2005 MPC           M.P.E.C. 2005-A05

Read MPEC 2005-A04 Read MPEC 2005-A06


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