• MPC Preparation (Info)

  • MPEC 2000-O31 : 2000 ON

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    M.P.E.C. 2000-O31                                Issued 2000 July 27, 20:00 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
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                        2000 ON
    
    Observations:
         K00O00N* C2000 07 23.42807 23 27 53.80 -03 20 50.3          16.5        704
         K00O00N  C2000 07 23.44133 23 27 53.82 -03 21 08.4          16.5        704
         K00O00N  C2000 07 23.45479 23 27 53.89 -03 21 25.4          16.7        704
         K00O00N  C2000 07 24.40414 23 27 57.60 -03 42 45.1          17.5        704
         K00O00N  C2000 07 24.41742 23 27 57.67 -03 43 02.5          18.2        704
         K00O00N  C2000 07 24.42990 23 27 57.80 -03 43 19.4          15.4 R      854
         K00O00N  C2000 07 24.43059 23 27 57.67 -03 43 21.0          17.2        704
         K00O00N  C2000 07 24.43297 23 27 57.69 -03 43 24.4          15.5 R      854
         K00O00N  C2000 07 24.43571 23 27 57.70 -03 43 28.5          15.4 R      854
         K00O00N  C2000 07 24.44382 23 27 57.64 -03 43 39.1          17.4        704
         K00O00N 1C2000 07 24.45220 23 27 57.78 -03 43 51.9                      658
         K00O00N 1C2000 07 24.45542 23 27 57.79 -03 43 56.0                      658
         K00O00N 1C2000 07 24.45822 23 27 57.79 -03 43 59.8                      658
         K00O00N 1C2000 07 24.63703 23 27 58.45 -03 47 56.7          18.2        413
         K00O00N 1C2000 07 24.63820 23 27 58.47 -03 47 58.6          18.1        413
         K00O00N  C2000 07 24.79482 23 27 58.54 -03 51 33.4          18.4 R      428
         K00O00N  C2000 07 24.79854 23 27 58.50 -03 51 38.2          18.2 R      428
         K00O00N 1C2000 07 24.82539 23 27 58.57 -03 52 15.1          18.5        413
         K00O00N 1C2000 07 24.82693 23 27 58.57 -03 52 17.3          18.2        413
         K00O00N  C2000 07 25.03190 23 27 59.28 -03 57 04.9          16.0 V      151
         K00O00N  C2000 07 25.03707 23 27 59.28 -03 57 14.4          16.9 V      151
         K00O00N  C2000 07 25.04463 23 27 59.30 -03 57 26.1          16.1 V      151
         K00O00N  C2000 07 25.04564 23 27 59.29 -03 57 24.7          16.1 V      151
         K00O00N  C2000 07 25.62059 23 28 00.33 -04 10 37.2          18.6 R      428
         K00O00N  C2000 07 25.62568 23 28 00.31 -04 10 44.5          18.4 R      428
         K00O00N  C2000 07 25.96137 23 28 00.60 -04 18 41.6                      557
         K00O00N  C2000 07 25.96369 23 28 00.61 -04 18 45.1                      557
         K00O00N  C2000 07 26.95422 23 28 00.37 -04 42 09.0          16.7 V      151
         K00O00N  C2000 07 26.95743 23 28 00.19 -04 42 16.5          16.6 V      151
         K00O00N  C2000 07 26.95944 23 28 00.31 -04 42 19.1          16.9 V      151
         K00O00N  C2000 07 26.96145 23 28 00.27 -04 42 21.3          17.0 V      151
         K00O00N  C2000 07 26.96342 23 28 00.31 -04 42 24.5          16.9 V      151
         K00O00N  C2000 07 26.96545 23 28 00.27 -04 42 29.0          17.3 V      151
         K00O00N  C2000 07 26.96735 23 28 00.38 -04 42 31.5          17.1 V      151
         K00O00N  C2000 07 27.20454 23 27 59.89 -04 48 06.8          18.1 V      859
         K00O00N  C2000 07 27.20780 23 27 59.89 -04 48 11.5          17.9 V      859
         K00O00N  C2000 07 27.21295 23 27 59.85 -04 48 18.7          17.9 V      859
         K00O00N  C2000 07 27.21542 23 27 59.85 -04 48 22.5          17.9 V      859
         K00O00N  C2000 07 27.55712 23 27 59.29 -04 56 33.6          17.1 R      474
         K00O00N  C2000 07 27.56230 23 27 59.27 -04 56 41.2          17.2 R      474
         K00O00N  C2000 07 27.56847 23 27 59.24 -04 56 50.4          17.2 R      474
    
    Observer details:
    151 Eschenberg Observatory, Winterthur.  Observer M. Griesser.  0.25-m f/8.0
        reflector + CCD.
    413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
    428 Reedy Creek.  Observer J. Broughton.  0.25-m f/6.3 Schmidt-Cassegrain
        + CCD.
    474 Mount John Observatory, Lake Tekapo.  Observers I. P. Griffin, N. Brady,
        R. Greatrex.  1.0-m f/7.7 reflector + CCD.
    557 Ondrejov.  Observer P. Pravec.  0.65-m f/3.6 reflector + CCD.
    658 National Research Council of Canada.  Observer D. D. Balam.  1.82-m
        Plaskett reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, M. Elowitz, R. Huber, L. Manguso.  Measurers J. Stuart,
        R. Sayer, J. B. Evans, H. Viggh.  1.0-m f/2.15 reflector + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.30-m f/6.1
        Schmidt-Cassegrain + CCD.
    859 Wykrota Observatory-CEAMIG.  Observers C. Jacques, L. Duczmal, D. Weaver.
        0.3-m f/3.3 Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2000 ON
    Epoch 2000 July 15.0 TT = JDT 2451740.5                 Williams
    M 356.53166              (2000.0)            P               Q
    n   0.21698262     Peri.  182.19242     +0.89032829     +0.27450799
    a   2.7427491      Node   151.54301     -0.40528831     +0.84138067
    e   0.1580922      Incl.   49.67280     -0.20750163     -0.46553618
    P   4.54           H   13.6           G   0.15
    From 41 observations 2000 July 23-27.
    
    Ephemeris:
    2000 ON                  a,e,i = 2.74, 0.16, 50                  q = 2.3091
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2000 07 25    23 27.99   -03 56.3    1.510    2.309   131.3    19.3    17.3
    2000 07 30    23 27.82   -05 57.1    1.462    2.309   136.8    17.5    17.2
    2000 08 04    23 26.94   -08 09.5    1.420    2.309   142.5    15.5    17.0
    2000 08 09    23 25.37   -10 32.3    1.385    2.309   148.3    13.3    16.9
    2000 08 14    23 23.12   -13 03.5    1.357    2.310   153.9    11.1    16.8
    2000 08 19    23 20.23   -15 40.8    1.337    2.311   159.0     9.0    16.7
    2000 08 24    23 16.76   -18 21.1    1.326    2.312   162.9     7.4    16.6
    2000 08 29    23 12.81   -21 00.8    1.324    2.313   164.6     6.7    16.5
    2000 09 03    23 08.50   -23 36.2    1.330    2.314   163.3     7.2    16.6
    2000 09 08    23 03.99   -26 04.1    1.345    2.316   159.6     8.7    16.7
    2000 09 13    22 59.45   -28 21.4    1.368    2.318   154.7    10.7    16.8
    2000 09 18    22 55.04   -30 26.1    1.399    2.320   149.2    12.8    16.9
    2000 09 23    22 50.93   -32 16.9    1.436    2.322   143.6    14.8    17.0
    2000 09 28    22 47.26   -33 53.1    1.480    2.324   138.1    16.7    17.2
    2000 10 03    22 44.19   -35 14.8    1.529    2.327   132.7    18.4    17.3
    2000 10 08    22 41.81   -36 22.6    1.583    2.330   127.4    19.9    17.4
    2000 10 13    22 40.19   -37 17.5    1.641    2.333   122.4    21.2    17.6
    2000 10 18    22 39.37   -38 00.5    1.702    2.336   117.6    22.2    17.7
    2000 10 23    22 39.36   -38 32.9    1.765    2.339   112.9    23.1    17.8
    2000 10 28    22 40.15   -38 55.6    1.830    2.343   108.5    23.7    17.9
    2000 11 02    22 41.73   -39 09.8    1.896    2.347   104.3    24.2    18.0
    2000 11 07    22 44.07   -39 16.4    1.963    2.351   100.3    24.5    18.1
    2000 11 12    22 47.12   -39 16.4    2.030    2.355    96.4    24.7    18.1
    2000 11 17    22 50.81   -39 10.6    2.097    2.360    92.7    24.7    18.2
    2000 11 22    22 55.11   -38 59.5    2.164    2.364    89.1    24.7    18.3
    
    2000 12 02    23 05.32   -38 23.7    2.294    2.374    82.4    24.3    18.4
    2000 12 12    23 17.38   -37 33.1    2.420    2.384    76.1    23.6    18.5
    2000 12 22    23 30.92   -36 30.5    2.539    2.395    70.4    22.8    18.6
    2001 01 01    23 45.67   -35 18.2    2.650    2.406    65.0    21.7    18.7
    2001 01 11    00 01.40   -33 58.2    2.753    2.418    60.1    20.6    18.7
    
    Gareth V. Williams           (C) Copyright 2000 MPC           M.P.E.C. 2000-O31
    

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    MPEC number:

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