• MPC Preparation (Info)

  • MPEC 2003-A09 : 2002 YD12

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    M.P.E.C. 2003-A09                                Issued 2003 Jan. 2, 16:06 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
    
                                       2002 YD12
    
    Observations:
         K02Y12D* C2002 12 31.23840 05 10 41.42 +21 53 18.3          18.7        704
         K02Y12D  C2002 12 31.25331 05 10 43.77 +21 51 37.5          18.9        704
         K02Y12D  C2002 12 31.26828 05 10 46.17 +21 49 55.7          19.0        704
         K02Y12D  C2002 12 31.28462 05 10 48.77 +21 48 04.5          19.0        704
         K02Y12D  C2003 01 01.26508 05 13 46.37 +19 56 32.0          19.3        704
         K02Y12D  C2003 01 01.28002 05 13 48.79 +19 54 49.3          19.4        704
         K02Y12D  C2003 01 01.29518 05 13 51.24 +19 53 04.3          19.3        704
         K02Y12D  C2003 01 01.31014 05 13 53.51 +19 51 21.6          19.4        704
         K02Y12D  C2003 01 01.32529 05 13 56.07 +19 49 35.3          19.5        704
         K02Y12D  C2003 01 02.13011 05 16 26.24 +18 17 09.2          18.5 R      858
         K02Y12D  C2003 01 02.13799 05 16 27.54 +18 16 15.3          18.7 R      858
         K02Y12D  C2003 01 02.23736 05 16 43.89 +18 04 53.4          18.7 R      926
         K02Y12D  C2003 01 02.23770 05 16 43.96 +18 04 51.3          18.8 R      854
         K02Y12D  C2003 01 02.23876 05 16 43.86 +18 04 43.2          18.3 R      448
         K02Y12D  C2003 01 02.23921 05 16 44.66 +18 04 37.9                      670
         K02Y12D  C2003 01 02.23949 05 16 44.28 +18 04 38.9          18.7 R      854
         K02Y12D  C2003 01 02.24246 05 16 44.46 +18 04 18.2          18.6 R      448
         K02Y12D  C2003 01 02.24273 05 16 44.77 +18 04 15.7          19.4 R      926
         K02Y12D  C2003 01 02.24305 05 16 44.84 +18 04 13.1          18.9 R      854
         K02Y12D  C2003 01 02.24676 05 16 45.17 +18 03 48.4          18.6 R      448
         K02Y12D  C2003 01 02.24799 05 16 45.62 +18 03 39.3          19.2 R      926
         K02Y12D  C2003 01 02.33249 05 16 59.80 +17 53 54.0                      670
    
    Observer details:
    448 Desert Moon Observatory.  Observer B. Stevens.  0.3-m Schmidt-Cassegrain
        + CCD.
    670 Camarillo.  Observer J. E. Rogers.  0.30-m f/6.7 Helin Telescope + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, R. Huber, L. Manguso, S. Adams, D. Torres, T. Brothers,
        S. Partridge.  Measurers J. Stuart, R. Sayer, J. Evans, P. Hopman.  1.0-m
        f/2.15 reflector + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.30-m f/10.0
        Schmidt-Cassegrain + CCD.
    858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.3-m f/3.3
        Schmidt-Cassegrain + CCD.
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  0.81-m
        f/7 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2002 YD12
    Epoch 2003 Jan. 1.0 TT = JDT 2452640.5                  MPC
    M 356.63643              (2000.0)            P               Q
    n   0.29682675     Peri.  192.87497     -0.31775194     -0.91385622
    a   2.2257037      Node   276.09250     +0.89091141     -0.19651051
    e   0.4987397      Incl.   14.72745     +0.32451589     -0.35531736
    P   3.32           H   22.1           G   0.15
    From 22 observations 2002 Dec. 31-2003 Jan. 2.
    
    Ephemeris:
    2002 YD12                a,e,i = 2.23, 0.50, 15                  q = 1.1157
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2003 01 01    05 12.98   +20 27.1    0.149    1.123   158.7    18.5    19.2
    2003 01 06    05 28.21   +10 51.2    0.148    1.118   153.9    22.8    19.3
    2003 01 11    05 43.51   +01 41.8    0.153    1.116   147.6    28.2    19.5
    2003 01 16    05 58.59   -06 16.3    0.164    1.116   141.4    33.3    19.8
    2003 01 21    06 13.21   -12 43.7    0.179    1.120   136.3    37.4    20.1
    2003 01 26    06 27.24   -17 41.1    0.197    1.127   132.3    40.2    20.4
    2003 01 31    06 40.68   -21 19.6    0.218    1.136   129.5    42.0    20.7
    2003 02 05    06 53.61   -23 53.1    0.240    1.148   127.5    42.9    21.0
    2003 02 10    07 06.11   -25 35.1    0.264    1.163   126.3    43.2    21.2
    
    2003 02 20    07 30.10   -27 06.6    0.316    1.199   125.2    42.3    21.6
    2003 03 02    07 53.08   -26 56.6    0.373    1.243   125.1    40.7    22.0
    
    Brian G. Marsden             (C) Copyright 2003 MPC           M.P.E.C. 2003-A09
    

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