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  • MPEC 1999-S09 : 1999 RN45

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    M.P.E.C. 1999-S09                                Issued 1999 Sept. 18, 09:34 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  ISSN 1523-6714
    
                                       1999 RN45
    
    Observations:
         J99R45N* C1999 09 14.38350 03 20 53.01 -05 05 58.0          18.5        704
         J99R45N  C1999 09 14.39607 03 20 55.08 -05 06 38.5          18.7        704
         J99R45N  C1999 09 14.40864 03 20 57.17 -05 07 18.5          19.0        704
         J99R45N  C1999 09 14.42136 03 20 59.25 -05 07 59.7          19.1        704
         J99R45N  C1999 09 14.43413 03 21 01.34 -05 08 40.7          18.6        704
         J99R45N  C1999 09 14.97623 03 22 34.32 -05 37 54.6          17.9 R      046
         J99R45N  C1999 09 14.97740 03 22 34.48 -05 37 58.8                      046
         J99R45N  C1999 09 14.97868 03 22 34.68 -05 38 03.1                      046
         J99R45N  C1999 09 14.97972 03 22 34.87 -05 38 06.4                      046
         J99R45N  C1999 09 15.03270 03 22 43.62 -05 40 59.1                      557
         J99R45N  C1999 09 15.03398 03 22 43.86 -05 41 03.5                      557
         J99R45N  C1999 09 15.03528 03 22 44.04 -05 41 07.4          18.1 V      557
         J99R45N  C1999 09 15.12535 03 22 58.84 -05 45 59.1                      118
         J99R45N  C1999 09 15.12847 03 22 59.38 -05 46 09.0          17.7 R      118
         J99R45N  C1999 09 15.12956 03 22 59.56 -05 46 12.9                      118
         J99R45N  C1999 09 15.45897 03 23 55.73 -06 04 02.7          18.4 R      848
         J99R45N  C1999 09 15.46052 03 23 55.99 -06 04 08.6          18.3 R      848
         J99R45N  C1999 09 15.46373 03 23 56.48 -06 04 18.3          18.4 R      848
         J99R45N 1C1999 09 15.46374 03 23 56.47 -06 04 19.1                      658
         J99R45N  C1999 09 15.46441 03 23 56.25 -06 04 17.5                      711
         J99R45N 1C1999 09 15.46576 03 23 56.81 -06 04 25.5                      658
         J99R45N  C1999 09 15.46862 03 23 56.85 -06 04 31.5                      711
         J99R45N 1C1999 09 15.46987 03 23 57.46 -06 04 38.9                      658
         J99R45N  C1999 09 15.47284 03 23 57.60 -06 04 45.2                      711
         J99R45N  C1999 09 16.08244 03 25 40.85 -06 37 59.6          18.2 V      595
         J99R45N  C1999 09 16.08513 03 25 41.27 -06 38 09.3                      595
         J99R45N  C1999 09 16.08866 03 25 41.76 -06 38 20.1                      595
         J99R45N  C1999 09 16.09543 03 25 42.91 -06 38 43.4          18.5 R      118
         J99R45N  C1999 09 16.09871 03 25 43.44 -06 38 55.3          18.4 R      118
         J99R45N  C1999 09 16.10539 03 25 44.50 -06 39 16.7          18.3 R      118
         J99R45N  C1999 09 16.44601 03 26 42.03 -06 57 53.1          18.3 R      848
         J99R45N  C1999 09 16.44752 03 26 42.29 -06 57 58.6          18.7 R      848
         J99R45N  C1999 09 16.44907 03 26 42.50 -06 58 03.5          18.6 R      848
         J99R45N  C1999 09 16.45155 03 26 42.84 -06 58 11.5          18.4 R      848
         J99R45N  C1999 09 16.45309 03 26 43.13 -06 58 16.8          18.4 R      848
    
    Observer details:
    046 Klet.  Observers M. Tichy, Z. Moravec.  0.57-m f/5.2 reflector + CCD.
    118 Modra.  Observers A. Galad, P. Koleny.  0.6-m f/5.5 reflector + CCD.
    557 Ondrejov.  Observers P. Pravec, P. Kusnirak.  0.65-m f/3.6 reflector + CCD.
    595 Farra d'Isonzo.  Observers G. Lombardi, A. Toso, E. Pettarin, A. Olivieri.
        0.40-m f/4.5 reflector + CCD
    658 Dominion Astrophysical Observatory.  Observer D. D. Balam.  1.82-m
        reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, M. Elowitz.  Measurers J. Stuart, H. Viggh, R. Sayer.  1.0-m
        f/2.15 reflector + CCD.
    711 McDonald Observatory.  Observer J. G. Ries.  0.76-m reflector + CCD.
    848 Tenagra Observatory, Cottage Grove.  Observer M. Schwartz.  Measurer
        P. R. Holvorcem.  0.36-m f/11 Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    1999 RN45
    Epoch 1999 Aug. 30.0 TT = JDT 2451420.5                 Williams
    M 339.72013              (2000.0)            P               Q
    n   0.44175131     Peri.  221.97661     +0.84644542     -0.52673081
    a   1.7074611      Node   168.97821     +0.52805145     +0.84920159
    e   0.2580144      Incl.   24.08020     -0.06849692     +0.03756737
    P   2.23           H   18.1           G   0.15
    From 35 observations 1999 Sept. 14-16.
    
    Ephemeris:
    1999 RN45                a,e,i = 1.71, 0.26, 24                  q = 1.2669
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1999 09 09    03 05.20   -00 27.6    0.451    1.297   120.6    42.0    18.6
    1999 09 19    03 33.73   -09 19.0    0.424    1.283   122.4    41.4    18.4
    1999 09 29    03 59.02   -18 41.3    0.415    1.273   122.3    41.7    18.3
    1999 10 09    04 19.66   -27 27.1    0.423    1.268   120.6    42.7    18.4
    1999 10 19    04 34.56   -34 45.6    0.443    1.267   118.2    43.8    18.5
    1999 10 29    04 43.35   -40 15.0    0.470    1.272   116.0    44.6    18.7
    1999 11 08    04 46.25   -43 53.3    0.501    1.281   114.2    44.9    18.9
    1999 11 18    04 44.42   -45 43.6    0.532    1.294   113.1    44.6    19.0
    1999 11 28    04 39.92   -45 52.4    0.563    1.311   112.7    44.0    19.1
    1999 12 08    04 34.93   -44 27.8    0.594    1.332   112.7    43.0    19.3
    1999 12 18    04 31.53   -41 39.0    0.625    1.357   113.0    41.9    19.4
    1999 12 28    04 31.08   -37 40.5    0.659    1.384   113.4    40.7    19.5
    2000 01 07    04 34.04   -32 48.5    0.697    1.414   113.4    39.7    19.6
    2000 01 17    04 40.49   -27 21.2    0.742    1.445   113.0    38.8    19.8
    2000 01 27    04 50.10   -21 38.4    0.795    1.478   111.8    38.2    20.0
    2000 02 06    05 02.43   -15 57.4    0.859    1.512   109.8    37.8    20.2
    2000 02 16    05 17.09   -10 33.1    0.934    1.547   107.1    37.6    20.4
    2000 02 26    05 33.64   -05 36.4    1.020    1.582   103.8    37.4    20.6
    2000 03 07    05 51.71   -01 13.6    1.116    1.617   100.0    37.2    20.9
    2000 03 17    06 11.01   +02 32.4    1.221    1.652    95.8    36.8    21.1
    2000 03 27    06 31.21   +05 41.4    1.334    1.686    91.4    36.3    21.3
    2000 04 06    06 52.08   +08 14.9    1.454    1.720    86.9    35.5    21.5
    2000 04 16    07 13.41   +10 15.4    1.578    1.754    82.3    34.6    21.7
    2000 04 26    07 34.99   +11 45.8    1.706    1.786    77.7    33.4    21.9
    
    Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-S09
    

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