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  • MPEC 2001-T54 : 2001 QE298, 2001 QF298, 2001 QG298, 2001 QH298, 2001 QJ298

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    M.P.E.C. 2001-T54                                Issued 2001 Oct. 13, 23:03 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
    
              2001 QE298, 2001 QF298, 2001 QG298, 2001 QH298, 2001 QJ298
    
    Observations:
         K01QT8E* C2001 08 19.23189 23 15 34.61 -06 14 01.6          21.2 R      807
         K01QT8E  C2001 08 19.31453 23 15 34.23 -06 14 03.9                      807
         K01QT8E  C2001 08 20.29073 23 15 29.79 -06 14 31.9                      807
         K01QT8E  C2001 08 20.37625 23 15 29.36 -06 14 35.1                      807
         K01QT8F  C2001 05 23.33337 23 17 49.07 -05 40 51.2          21.1 R      807
         K01QT8F  C2001 05 23.41349 23 17 49.22 -05 40 50.6                      807
         K01QT8F* C2001 08 19.23189 23 16 02.46 -06 01 39.6          20.0 R      807
         K01QT8F  C2001 08 19.31453 23 16 02.12 -06 01 42.3                      807
         K01QT8F  C2001 08 20.29073 23 15 58.18 -06 02 12.8          20.0 R      807
         K01QT8F  C2001 08 20.37625 23 15 57.83 -06 02 15.6                      807
         K01QT8F  C2001 09 18.22677 23 13 53.53 -06 17 55.4          21.0 R      688
         K01QT8F  C2001 09 18.31522 23 13 53.14 -06 17 58.3                      688
         K01QT8G* C2001 08 19.27979 23 33 00.40 -04 02 31.8          19.8 R      807
         K01QT8G  C2001 08 19.36483 23 32 59.98 -04 02 34.7                      807
         K01QT8G  C2001 08 21.31117 23 32 50.45 -04 03 43.3          20.4 R      807
         K01QT8G  C2001 08 21.37861 23 32 50.12 -04 03 45.7                      807
         K01QT8G  C2001 09 19.31160 23 30 14.18 -04 21 54.7          21.8 R      688
         K01QT8G  C2001 09 19.37763 23 30 13.81 -04 21 57.0                      688
         K01QT8H* C2001 08 19.31029 23 41 47.47 -07 04 52.0          22.2 R      807
         K01QT8H  C2001 08 19.39741 23 41 47.15 -07 04 54.9                      807
         K01QT8H  C2001 08 20.31973 23 41 43.14 -07 05 25.6                      807
         K01QT8H  C2001 08 20.40536 23 41 42.77 -07 05 28.4                      807
         K01QT8J* C2001 08 21.16381 21 56 08.42 -11 56 33.0          21.3 R      807
         K01QT8J  C2001 08 21.23808 21 56 08.11 -11 56 34.9                      807
         K01QT8J  C2001 09 12.25165 21 54 36.30 -12 04 56.9          22.2 R      695
         K01QT8J  C2001 09 12.29892 21 54 36.10 -12 04 58.1                      695
    
    Observer details:
    688 Lowell Observatory, Anderson Mesa Station.  Observers R. L. Millis,
        L. H. Wasserman.  Measurers L. H. Wasserman, M. W. Buie.
        1.8-m reflector + CCD.
    695 Kitt Peak.  Observers L. H. Wasserman, E. L. Ryan.  Measurers
        M. W. Buie, L. H. Wasserman, R. L. Millis, S. D. Kern, J. L. Elliot,
        K. E. Washburn.  4-m reflector + CCD.
    807 Cerro Tololo.  Observers R. L. Millis, M. W. Buie, L. H. Wasserman.
        Measurers M. W. Buie, L. H. Wasserman, R. L. Millis, S. D. Kern,
        J. L. Elliot, K. E. Washburn.  4-m Blanco reflector + CCD.
    
    Orbital elements:
    Object    H    G   Epoch    M     Peri.   Node    Incl.     e         a    Arc C
    K01QT8E  5.8  0.15 K018J 360.000 328.802  17.971   2.530 0.05085  39.52946   1EM
    K01QT8F  4.7  0.15 K017A 308.875 286.700 164.254  22.784 0.45107  47.85585 118EM
    K01QT8G  6.3  0.15 K018J 360.000 188.944 162.530   6.476 0.18388  39.30209  31EM
    K01QT8H  6.9  0.15 K018J 360.000 222.148 130.347   6.825 0.07523  39.36563   1EM
    K01QT8J  5.6  0.15 K018J   0.000 164.180 162.860   2.133 0.0      45.06897  22EM
    
    Ephemerides:
    2001 QE298               a,e,i = 39.53, 0.05, 3                  q = 37.519
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 10 08    23 11.62   -06 38.3   36.638   37.519   151.5     0.7    21.6
    2001 10 18    23 10.95   -06 42.1   36.735   37.519   141.4     0.9    21.6
    2001 10 28    23 10.40   -06 45.2   36.856   37.519   131.3     1.1    21.7
    2001 11 07    23 09.97   -06 47.5   36.996   37.519   121.2     1.3    21.7
    2001 11 17    23 09.70   -06 48.7   37.152   37.519   111.1     1.4    21.7
    2001 11 27    23 09.59   -06 48.9   37.319   37.519   101.0     1.5    21.7
    2001 12 07    23 09.65   -06 48.1   37.492   37.519    90.9     1.5    21.7
    2001 12 17    23 09.88   -06 46.1   37.665   37.519    80.8     1.5    21.7
    2001 12 27    23 10.27   -06 43.1   37.833   37.519    70.7     1.4    21.8
    2002 01 06    23 10.83   -06 39.2   37.992   37.519    60.7     1.3    21.8
    2002 01 16    23 11.53   -06 34.4   38.135   37.519    50.7     1.2    21.7
    2002 01 26    23 12.35   -06 28.8   38.260   37.519    40.7     1.0    21.7
    2002 02 05    23 13.28   -06 22.6   38.363   37.519    30.8     0.8    21.7
    
    2001 QF298               a,e,i = 47.86, 0.45, 23                 q = 26.270
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 10 08    23 12.53   -06 28.0   41.724   42.607   151.8     0.6    21.1
    2001 10 18    23 11.94   -06 32.4   41.808   42.595   141.7     0.8    21.1
    2001 10 28    23 11.44   -06 36.1   41.916   42.582   131.6     1.0    21.1
    2001 11 07    23 11.06   -06 39.1   42.044   42.570   121.5     1.1    21.1
    2001 11 17    23 10.81   -06 41.3   42.187   42.558   111.4     1.2    21.1
    2001 11 27    23 10.70   -06 42.5   42.342   42.546   101.3     1.3    21.2
    2001 12 07    23 10.74   -06 42.7   42.502   42.533    91.1     1.3    21.2
    2001 12 17    23 10.93   -06 42.0   42.664   42.521    81.0     1.3    21.2
    2001 12 27    23 11.27   -06 40.4   42.820   42.509    70.9     1.3    21.2
    2002 01 06    23 11.75   -06 37.9   42.967   42.497    60.9     1.2    21.2
    2002 01 16    23 12.36   -06 34.6   43.099   42.484    50.8     1.0    21.2
    2002 01 26    23 13.08   -06 30.6   43.212   42.472    40.9     0.9    21.2
    2002 02 05    23 13.89   -06 26.1   43.303   42.460    30.9     0.7    21.1
    
    2001 QG298               a,e,i = 39.30, 0.18, 6                  q = 32.075
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 10 08    23 28.58   -04 33.2   31.158   32.075   156.2     0.7    21.4
    2001 10 18    23 27.79   -04 38.5   31.243   32.075   146.1     1.0    21.5
    2001 10 28    23 27.12   -04 42.9   31.354   32.075   136.0     1.2    21.5
    2001 11 07    23 26.60   -04 46.5   31.485   32.075   125.8     1.4    21.5
    2001 11 17    23 26.24   -04 48.9   31.635   32.075   115.7     1.6    21.5
    2001 11 27    23 26.07   -04 50.0   31.797   32.075   105.5     1.7    21.6
    2001 12 07    23 26.08   -04 50.0   31.968   32.075    95.4     1.8    21.6
    2001 12 17    23 26.30   -04 48.6   32.142   32.076    85.3     1.8    21.6
    2001 12 27    23 26.72   -04 46.0   32.313   32.076    75.2     1.7    21.6
    2002 01 06    23 27.32   -04 42.2   32.476   32.076    65.2     1.6    21.6
    2002 01 16    23 28.10   -04 37.3   32.627   32.076    55.2     1.4    21.6
    2002 01 26    23 29.03   -04 31.5   32.761   32.076    45.3     1.2    21.6
    2002 02 05    23 30.10   -04 24.8   32.874   32.076    35.4     1.0    21.6
    
    2001 QH298               a,e,i = 39.37, 0.08, 7                  q = 36.404
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 10 08    23 37.78   -07 32.2   35.484   36.404   156.7     0.6    22.6
    2001 10 18    23 37.04   -07 36.5   35.567   36.404   146.8     0.9    22.6
    2001 10 28    23 36.40   -07 40.0   35.674   36.404   136.7     1.1    22.6
    2001 11 07    23 35.88   -07 42.5   35.804   36.404   126.6     1.3    22.7
    2001 11 17    23 35.50   -07 43.9   35.952   36.404   116.5     1.4    22.7
    2001 11 27    23 35.28   -07 44.3   36.113   36.404   106.4     1.5    22.7
    2001 12 07    23 35.24   -07 43.4   36.283   36.404    96.3     1.5    22.7
    2001 12 17    23 35.36   -07 41.4   36.456   36.404    86.2     1.5    22.7
    2001 12 27    23 35.66   -07 38.3   36.627   36.404    76.2     1.5    22.7
    2002 01 06    23 36.14   -07 34.2   36.791   36.404    66.1     1.4    22.7
    2002 01 16    23 36.77   -07 29.2   36.943   36.404    56.2     1.3    22.7
    2002 01 26    23 37.54   -07 23.4   37.078   36.404    46.3     1.1    22.7
    2002 02 05    23 38.44   -07 17.0   37.193   36.404    36.4     0.9    22.7
    
    2001 QJ298               a,e,i = 45.07, 0.00, 2
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 10 08    21 53.19   -12 12.8   44.401   45.069   131.5     1.0    22.3
    2001 10 18    21 52.82   -12 15.0   44.540   45.069   121.5     1.1    22.3
    2001 10 28    21 52.59   -12 16.4   44.696   45.069   111.5     1.2    22.3
    2001 11 07    21 52.49   -12 17.1   44.862   45.069   101.5     1.2    22.3
    2001 11 17    21 52.53   -12 17.1   45.034   45.069    91.4     1.3    22.3
    2001 11 27    21 52.73   -12 16.3   45.207   45.069    81.3     1.2    22.3
    2001 12 07    21 53.06   -12 14.7   45.375   45.069    71.3     1.2    22.3
    2001 12 17    21 53.54   -12 12.4   45.534   45.069    61.3     1.1    22.3
    2001 12 27    21 54.14   -12 09.5   45.678   45.069    51.2     1.0    22.3
    2002 01 06    21 54.85   -12 05.9   45.804   45.069    41.2     0.8    22.3
    2002 01 16    21 55.65   -12 01.8   45.907   45.069    31.2     0.6    22.3
    
         The perihelic 2:3 Neptune-resonance orbits for 2001 QE298, QG298 and
    QH298 keep these objects more than 9 AU from Neptune and the 1:2 Neptune-
    resonance orbit for 2001 QF298 keeps this object more than 14 AU from
    Neptune over a 14 000-year period.
    
    Brian G. Marsden             (C) Copyright 2001 MPC           M.P.E.C. 2001-T54
    

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