• MPC Preparation (Info)

  • MPEC 2003-W31 : 2003 WR21

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    M.P.E.C. 2003-W31                                Issued 2003 Nov. 21, 12:56 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.
    
             Supported in part by the Steven and Michele Kirsch Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2003 WR21
    
    Observations:
         K03W21R* C2003 11 20.22736 03 09 00.45 -02 30 28.7          18.2 V      703
         K03W21R  C2003 11 20.24090 03 08 57.72 -02 30 25.9          18.4 V      703
         K03W21R  C2003 11 20.25443 03 08 55.05 -02 30 22.3          19.1 V      703
         K03W21R  C2003 11 20.26795 03 08 52.40 -02 30 19.0          17.1 V      703
         K03W21R  C2003 11 20.86544 03 07 01.81 -02 27 35.3                      246
         K03W21R  C2003 11 20.86646 03 07 01.60 -02 27 35.0                      246
         K03W21R  C2003 11 20.86726 03 07 01.45 -02 27 35.1                      246
         K03W21R  C2003 11 20.86836 03 07 01.20 -02 27 35.0                      246
         K03W21R  C2003 11 20.86931 03 07 01.05 -02 27 34.6                      246
         K03W21R  C2003 11 20.87035 03 07 00.80 -02 27 33.8                      246
         K03W21R  C2003 11 20.98316 03 06 39.20 -02 26 57.4          18.2 R      620
         K03W21R  C2003 11 20.99216 03 06 37.45 -02 26 55.0          18.1 R      620
         K03W21R  C2003 11 21.00116 03 06 35.77 -02 26 52.9          18.4 R      620
         K03W21R  C2003 11 21.16801 03 06 06.08 -02 25 59.3          19.0 R      854
         K03W21R  C2003 11 21.17461 03 06 04.66 -02 25 57.1          18.9 R      854
         K03W21R  C2003 11 21.17571 03 06 04.46 -02 25 56.8          18.8 R      854
         K03W21R  C2003 11 21.25078 03 05 49.79 -02 25 33.9          18.8 R      448
         K03W21R  C2003 11 21.25656 03 05 48.65 -02 25 32.0          18.8 R      448
         K03W21R  C2003 11 21.26359 03 05 47.28 -02 25 29.8          18.6 R      448
    
    Observer details:
    246 Klet Observatory-KLENOT.  Observers M. Tichy, M. Kocer.  1.06-m KLENOT
        Telescope + CCD.
    448 Desert Moon Observatory.  Observer B. L. Stevens.  0.3-m
        Schmidt-Cassegrain + CCD.
    620 Observatorio Astronomico de Mallorca.  Observers S. Sanchez, R. Stoss,
        J. Nomen.  0.30-m f/9 Schmidt-Cassegrain + CCD.
    703 Catalina Sky Survey.  Observers S. Larson, E. Beshore, E. Christensen,
        R. Hill, S. Kolar, D. McLean.  0.68-m f/1.8 Schmidt + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.356-m f/10.0
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2003 WR21                                                            PHA 0.031
    Epoch 2003 Nov. 17.0 TT = JDT 2452960.5                 MPC
    M 235.82920              (2000.0)            P               Q
    n   0.84259473     Peri.  109.64401     -0.94813998     +0.27632574
    a   1.1101719      Node    86.64642     -0.31693716     -0.85938094
    e   0.2560482      Incl.    9.05318     +0.02411262     -0.43024235
    P   1.17           H   19.6           G   0.15
    From 19 observations 2003 Nov. 20-21.
    
    Ephemeris:
    2003 WR21                a,e,i = 1.11, 0.26, 9                   q = 0.8259
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2003 11 17    03 18.91   -02 40.9    0.339    1.310   158.4    16.1    18.7
    2003 11 27    02 48.22   -01 43.6    0.330    1.283   149.9    22.7    18.8
    2003 12 07    02 21.02   +00 21.1    0.336    1.252   137.1    32.4    19.1
    2003 12 17    02 01.31   +03 14.4    0.353    1.219   124.4    41.8    19.4
    2003 12 27    01 50.06   +06 36.8    0.375    1.182   113.1    49.9    19.7
    2004 01 06    01 46.39   +10 15.8    0.397    1.143   103.4    56.8    19.9
    2004 01 16    01 48.64   +14 04.5    0.416    1.102    95.1    62.8    20.1
    2004 01 26    01 55.37   +18 00.4    0.429    1.059    87.8    68.3    20.3
    2004 02 05    02 05.35   +22 02.5    0.433    1.016    81.4    73.7    20.4
    2004 02 15    02 17.29   +26 09.3    0.428    0.973    75.5    79.3    20.5
    2004 02 25    02 29.99   +30 19.7    0.413    0.933    70.0    85.5    20.5
    2004 03 06    02 41.71   +34 31.2    0.388    0.896    64.5    92.6    20.6
    2004 03 16    02 49.70   +38 37.1    0.354    0.865    58.7   100.9    20.7
    2004 03 26    02 49.86   +42 22.5    0.314    0.842    52.2   110.7    20.9
    2004 04 05    02 36.08   +45 08.3    0.272    0.829    44.6   122.1    21.4
    2004 04 15    02 03.66   +45 24.9    0.234    0.826    36.2   134.2    22.2
    2004 04 25    01 19.11   +41 09.3    0.206    0.835    30.2   142.7    23.0
    2004 05 05    00 40.99   +31 59.4    0.193    0.853    33.0   139.9    22.5
    2004 05 15    00 20.78   +20 48.4    0.196    0.881    44.0   127.1    21.2
    2004 05 25    00 15.94   +10 40.2    0.208    0.915    56.6   112.5    20.3
    2004 06 04    00 20.18   +02 28.6    0.224    0.954    68.0    99.4    19.8
    2004 06 14    00 28.70   -04 09.5    0.238    0.995    78.4    88.1    19.6
    2004 06 24    00 37.93   -09 57.4    0.249    1.038    88.1    78.0    19.4
    2004 07 04    00 45.32   -15 29.9    0.256    1.082    97.8    68.6    19.2
    2004 07 14    00 48.70   -21 10.0    0.260    1.124   107.8    59.5    19.1
    2004 07 24    00 45.64   -27 06.7    0.264    1.164   118.1    50.3    18.9
    2004 08 03    00 34.01   -33 03.7    0.271    1.202   128.4    41.4    18.8
    2004 08 13    00 12.57   -38 21.5    0.283    1.237   137.4    33.7    18.7
    2004 08 23    23 42.83   -42 04.9    0.305    1.269   143.1    28.6    18.8
    2004 09 02    23 10.71   -43 36.3    0.338    1.297   143.9    27.3    19.0
    2004 09 12    22 43.25   -43 03.7    0.382    1.323   140.2    29.2    19.4
    2004 09 22    22 24.68   -41 03.3    0.436    1.344   134.2    32.4    19.8
    2004 10 02    22 15.43   -38 14.4    0.498    1.362   127.4    35.7    20.2
    2004 10 12    22 13.80   -35 03.5    0.566    1.376   120.6    38.6    20.6
    2004 10 22    22 17.96   -31 43.8    0.640    1.386   114.1    40.9    20.9
    2004 11 01    22 26.33   -28 21.6    0.716    1.392   108.0    42.7    21.3
    2004 11 11    22 37.72   -24 59.1    0.795    1.394   102.2    43.9    21.5
    2004 11 21    22 51.37   -21 36.5    0.873    1.393    96.7    44.8    21.7
    2004 12 01    23 06.73   -18 13.7    0.950    1.387    91.5    45.3    21.9
    2004 12 11    23 23.42   -14 50.2    1.025    1.378    86.6    45.5    22.1
    
    Timothy B. Spahr             (C) Copyright 2003 MPC           M.P.E.C. 2003-W31
    

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