• MPC Preparation (Info)

  • MPEC 2003-B39 : 2003 BC21

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    M.P.E.C. 2003-B39                                Issued 2003 Jan. 29, 16:16 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2003 BC21
    
    Observations:
         K03B21C* C2003 01 27.53063 11 06 53.64 -00 13 12.6          20.7        608
         K03B21C  C2003 01 27.54152 11 06 53.09 -00 13 12.1          20.5        608
         K03B21C  C2003 01 27.55236 11 06 52.55 -00 13 11.0          20.0        608
         K03B21C  C2003 01 28.34392 11 06 14.44 -00 12 09.3          19.6 R      651
         K03B21C  C2003 01 28.34749 11 06 14.23 -00 12 09.3          19.6 R      651
         K03B21C  C2003 01 28.35009 11 06 14.11 -00 12 08.9          19.9 R      651
         K03B21C  C2003 01 28.37824 11 06 12.72 -00 12 06.0          18.5 R      673
         K03B21C  C2003 01 28.38322 11 06 12.48 -00 12 05.6                      673
         K03B21C  C2003 01 28.38727 11 06 12.21 -00 12 05.1                      673
         K03B21C  C2003 01 28.42159 11 06 10.45 -00 12 02.7          18.7 R      926
         K03B21C  C2003 01 28.42862 11 06 10.07 -00 12 01.7          18.4 R      926
         K03B21C  C2003 01 28.43541 11 06 09.71 -00 12 01.7          18.6 R      926
         K03B21C  C2003 01 29.37245 11 05 23.00 -00 10 34.4          19.5 R      673
         K03B21C  C2003 01 29.37454 11 05 22.89 -00 10 34.2                      673
         K03B21C  C2003 01 29.37662 11 05 22.78 -00 10 33.9                      673
    
    Observer details:
    608 Haleakala-NEAT/MSSS.  Observers R. Bambery, E. Helin, S. Pravdo, M. Hicks,
        K. Lawrence, P. Kervin, J. Africano, R. Maeda.  1.2-m reflector + CCD.
    651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
        Newtonian + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
        reflector + CCD.
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
        f/7 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2003 BC21
    Epoch 2003 Jan. 21.0 TT = JDT 2452660.5                 MPC
    M  35.19845              (2000.0)            P               Q
    n   0.20695509     Peri.  120.57231     +0.61346703     -0.78509809
    a   2.8306443      Node   291.34207     +0.68956093     +0.58518463
    e   0.5444119      Incl.    5.25564     +0.38492069     +0.20292838
    P   4.76           H   16.3           G   0.15
    From 15 observations 2003 Jan. 27-29.
    
    Ephemeris:
    2003 BC21                a,e,i = 2.83, 0.54, 5                   q = 1.2896
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2003 01 21    11 11.41   -00 16.2    1.348    2.131   131.3    20.3    19.6
    2003 01 31    11 03.97   -00 07.5    1.327    2.196   143.1    15.6    19.5
    2003 02 10    10 53.91   +00 23.2    1.327    2.261   155.4    10.5    19.4
    2003 02 20    10 42.45   +01 10.5    1.351    2.326   167.4     5.3    19.2
    2003 03 02    10 31.01   +02 07.0    1.403    2.389   172.9     2.9    19.2
    2003 03 12    10 20.92   +03 04.2    1.483    2.452   163.6     6.6    19.6
    2003 03 22    10 13.15   +03 55.1    1.590    2.514   152.1    10.7    20.0
    2003 04 01    10 08.16   +04 35.1    1.720    2.575   141.1    14.1    20.3
    2003 04 11    10 06.00   +05 02.1    1.869    2.635   130.8    16.7    20.7
    2003 04 21    10 06.48   +05 15.5    2.033    2.693   121.1    18.6    20.9
    2003 05 01    10 09.24   +05 16.1    2.209    2.751   112.1    19.8    21.2
    2003 05 11    10 13.94   +05 04.9    2.393    2.808   103.6    20.5    21.5
    2003 05 21    10 20.20   +04 43.1    2.581    2.863    95.6    20.6    21.7
    2003 05 31    10 27.72   +04 12.1    2.772    2.918    88.0    20.3    21.8
    2003 06 10    10 36.25   +03 32.9    2.962    2.971    80.7    19.7    22.0
    
    Brian G. Marsden             (C) Copyright 2003 MPC           M.P.E.C. 2003-B39
    

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