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  • MPEC 1998-D15 : 1998 DV9

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    M.P.E.C. 1998-D15                                Issued 1998 Feb. 25, 16:58 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.
    
                 BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
                       URL http://cfa-www.harvard.edu/iau/mpc.html
    
                                       1998 DV9
    
    Observations:
         J98D09V* C1998 02 23.30284 03 19 16.62 +18 15 24.8          18.3 R      568
         J98D09V  C1998 02 23.30525 03 19 17.14 +18 15 30.6          18.1 R      568
         J98D09V  C1998 02 23.76984 03 21 04.86 +18 34 36.3                      557
         J98D09V  C1998 02 23.77197 03 21 05.36 +18 34 40.8                      557
         J98D09V  C1998 02 23.77417 03 21 05.84 +18 34 46.7                      557
         J98D09V  C1998 02 23.78657 03 21 08.61 +18 35 16.4          19.1 V      557
         J98D09V  C1998 02 24.22603 03 22 50.98 +18 53 43.3          18.0 R      568
         J98D09V  C1998 02 24.22845 03 22 51.53 +18 53 49.4          18.0 R      568
         J98D09V  C1998 02 25.30440 03 27 06.05 +19 38 43.3          18.8 R      568
         J98D09V  C1998 02 25.30663 03 27 06.61 +19 38 49.0                      568
         J98D09V  C1998 02 25.30980 03 27 07.35 +19 38 56.8          18.8 R      568
         J98D09V  C1998 02 25.31204 03 27 07.88 +19 39 02.6          18.9 R      568
    
    Observer details:
    557 Ondrejov.  Observer P. Pravec.  0.65-m f/3.6 reflector + CCD.
    568 Mauna Kea.  Observer D. J. Tholen.  Measurers R. J. Whiteley, D. J. Tholen.
        2.24-m reflector + CCD.
    
    Orbital elements:
    1998 DV9
    Epoch 1998 Feb. 16.0 TT = JDT 2450860.5                 Williams
    M 356.58239              (2000.0)            P               Q
    n   0.43512990     Peri.    0.47623     -0.66110446     -0.74183265
    a   1.7247392      Node   130.91327     +0.68788865     -0.65907845
    e   0.4279977      Incl.    8.55076     +0.29958320     -0.12369281
    P   2.27           H   18.0           G   0.15
    From 12 observations 1998 Feb. 23-25.
    
    Ephemeris:
    1998 DV9                 a,e,i = 1.72, 0.43, 9                   q = 0.9866
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1998 02 16    02 53.51   +13 23.6    0.430    0.991    77.8    77.1    18.8
    1998 02 21    03 10.72   +16 41.2    0.414    0.987    77.7    78.2    18.8
    1998 02 26    03 29.92   +20 08.0    0.399    0.987    77.9    78.8    18.7
    1998 03 03    03 51.52   +23 41.2    0.385    0.990    78.6    79.0    18.7
    1998 03 08    04 15.92   +27 16.1    0.373    0.996    79.7    78.7    18.6
    1998 03 13    04 43.55   +30 45.7    0.363    1.005    81.3    77.7    18.5
    1998 03 18    05 14.73   +34 00.0    0.356    1.018    83.4    76.3    18.5
    1998 03 23    05 49.53   +36 46.6    0.353    1.033    85.8    74.3    18.4
    1998 03 28    06 27.52   +38 52.8    0.354    1.050    88.5    71.8    18.4
    1998 04 02    07 07.59   +40 08.1    0.359    1.070    91.3    69.1    18.3
    1998 04 07    07 48.08   +40 27.3    0.369    1.092    94.2    66.1    18.4
    1998 04 12    08 27.19   +39 52.4    0.383    1.115    96.9    63.1    18.4
    1998 04 17    09 03.48   +38 31.4    0.402    1.140    99.4    60.2    18.5
    1998 04 22    09 36.19   +36 35.5    0.424    1.167   101.6    57.5    18.6
    1998 04 27    10 05.15   +34 16.0    0.451    1.195   103.4    55.0    18.7
    1998 05 02    10 30.63   +31 42.8    0.482    1.223   104.8    52.8    18.8
    1998 05 07    10 53.05   +29 03.4    0.517    1.253   105.8    50.8    18.9
    1998 05 12    11 12.88   +26 23.2    0.555    1.283   106.4    49.1    19.1
    1998 05 17    11 30.57   +23 45.5    0.596    1.313   106.7    47.5    19.3
    1998 05 22    11 46.53   +21 12.3    0.641    1.344   106.6    46.2    19.4
    1998 05 27    12 01.10   +18 44.8    0.688    1.375   106.2    45.1    19.6
    1998 06 01    12 14.57   +16 23.4    0.738    1.406   105.6    44.0    19.8
    1998 06 06    12 27.15   +14 08.4    0.791    1.437   104.8    43.1    19.9
    1998 06 11    12 39.01   +11 59.8    0.846    1.467   103.7    42.2    20.1
    1998 06 16    12 50.28   +09 57.4    0.903    1.498   102.5    41.4    20.3
    1998 06 21    13 01.09   +08 00.8    0.963    1.529   101.1    40.7    20.4
    1998 06 26    13 11.54   +06 09.8    1.025    1.559    99.6    40.0    20.6
    1998 07 01    13 21.70   +04 24.1    1.089    1.589    98.0    39.3    20.8
    1998 07 06    13 31.64   +02 43.3    1.154    1.619    96.3    38.6    20.9
    1998 07 11    13 41.39   +01 07.3    1.221    1.648    94.5    37.9    21.0
    1998 07 16    13 51.00   -00 24.2    1.290    1.677    92.6    37.3    21.2
    1998 07 21    14 00.50   -01 51.5    1.360    1.706    90.6    36.6    21.3
    1998 07 26    14 09.93   -03 14.8    1.431    1.734    88.6    35.8    21.4
    1998 07 31    14 19.32   -04 34.3    1.503    1.762    86.5    35.1    21.6
    1998 08 05    14 28.67   -05 50.0    1.576    1.789    84.4    34.4    21.7
    1998 08 10    14 38.01   -07 02.2    1.650    1.815    82.2    33.6    21.8
    1998 08 15    14 47.34   -08 11.0    1.724    1.842    80.0    32.8    21.9
    
    Gareth V. Williams           (C) Copyright 1998 MPC           M.P.E.C. 1998-D15
    

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    MPEC number:

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