• MPC Preparation (Info)

  • MPEC 1999-S06 : 1999 RK45

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    M.P.E.C. 1999-S06                                Issued 1999 Sept. 18, 09:07 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 RK45
    
    Observations:
         J99R45K* C1999 09 13.33977 01 06 54.34 -15 48 27.9          18.1        704
         J99R45K  C1999 09 13.35071 01 06 54.07 -15 49 10.7          18.2        704
         J99R45K  C1999 09 13.36197 01 06 53.75 -15 49 55.2          18.3        704
         J99R45K  C1999 09 13.37296 01 06 53.52 -15 50 37.4          18.3        704
         J99R45K  C1999 09 13.38407 01 06 53.19 -15 51 20.7          18.5        704
         J99R45K  C1999 09 13.93679 01 06 45.27 -16 28 22.3          17.1 R      046
         J99R45K  C1999 09 13.93808 01 06 45.21 -16 28 27.5                      046
         J99R45K  C1999 09 13.93940 01 06 45.20 -16 28 32.7                      046
         J99R45K  C1999 09 13.94067 01 06 45.14 -16 28 38.6                      046
         J99R45K WC1999 09 14.02419 01 06 42.98 -16 34 25.5                      557
         J99R45K WC1999 09 14.02547 01 06 42.85 -16 34 30.4                      557
         J99R45K  C1999 09 14.02568 01 06 42.94 -16 34 29.0                      595
         J99R45K WC1999 09 14.02676 01 06 42.91 -16 34 35.8                      557
         J99R45K WC1999 09 14.02804 01 06 42.82 -16 34 40.4                      557
         J99R45K WC1999 09 14.02934 01 06 42.85 -16 34 46.9          18.2 V      557
         J99R45K  C1999 09 14.03109 01 06 42.69 -16 34 51.9                      595
         J99R45K  C1999 09 14.03666 01 06 42.58 -16 35 16.1          18.3 V      595
         J99R45K  C1999 09 14.04219 01 06 42.47 -16 35 37.8                      595
         J99R45K  C1999 09 14.38155 01 06 35.98 -16 59 27.9          17.7        704
         J99R45K  C1999 09 14.39411 01 06 35.57 -17 00 21.5          18.3        704
         J99R45K  C1999 09 14.40669 01 06 35.18 -17 01 15.5          18.3        704
         J99R45K 1C1999 09 14.41388 01 06 35.55 -17 01 50.4                      658
         J99R45K 1C1999 09 14.41521 01 06 35.54 -17 01 56.5                      658
         J99R45K 1C1999 09 14.41715 01 06 35.49 -17 02 04.2                      658
         J99R45K  C1999 09 14.41938 01 06 34.83 -17 02 10.0          18.6        704
         J99R45K  C1999 09 14.43218 01 06 34.39 -17 03 04.9          18.7        704
         J99R45K 1C1999 09 14.62422 01 06 31.60 -17 16 28.5          18.4 R      413
         J99R45K 1C1999 09 14.62590 01 06 31.55 -17 16 35.8          18.5 R      413
         J99R45K 1C1999 09 14.80151 01 06 25.93 -17 29 28.9          18.7 R      413
         J99R45K 1C1999 09 14.80312 01 06 25.86 -17 29 35.9                      413
         J99R45K  C1999 09 14.95390 01 06 24.75 -17 41 32.5                      595
         J99R45K  C1999 09 14.95685 01 06 24.72 -17 41 48.7          17.7 V      595
         J99R45K  C1999 09 14.95799 01 06 24.59 -17 41 51.6          17.3 R      046
         J99R45K  C1999 09 14.95934 01 06 24.52 -17 41 58.0                      046
         J99R45K  C1999 09 14.96052 01 06 24.50 -17 42 02.8                      046
         J99R45K  C1999 09 14.96154 01 06 24.35 -17 42 07.9                      118
         J99R45K  C1999 09 14.96215 01 06 24.72 -17 42 12.0                      595
         J99R45K  C1999 09 14.96295 01 06 24.36 -17 42 14.2          17.8 R      118
         J99R45K  C1999 09 14.96921 01 06 24.15 -17 42 42.8                      118
         J99R45K  C1999 09 15.12900 01 06 20.75 -17 54 22.2          19.1 V      859
         J99R45K  C1999 09 15.13252 01 06 20.58 -17 54 38.2          18.8 V      859
         J99R45K  C1999 09 15.13604 01 06 20.48 -17 54 54.4          19.5 V      859
         J99R45K  C1999 09 15.15109 01 06 19.89 -17 56 04.5          19.0 V      859
         J99R45K  C1999 09 15.34526 01 06 14.73 -18 11 33.4                      711
         J99R45K  C1999 09 15.34941 01 06 14.51 -18 11 53.8                      711
         J99R45K  C1999 09 15.35296 01 06 14.41 -18 12 10.4                      711
         J99R45K  C1999 09 15.36911 01 06 14.47 -18 13 29.6          17.7 R      848
         J99R45K  C1999 09 15.37167 01 06 14.35 -18 13 41.3          17.9 R      848
         J99R45K  C1999 09 15.37424 01 06 14.27 -18 13 53.9          18.0 R      848
         J99R45K  C1999 09 15.37681 01 06 14.15 -18 14 05.8          17.7 R      848
         J99R45K  C1999 09 15.37936 01 06 14.07 -18 14 17.3          17.9 R      848
         J99R45K  C1999 09 15.56374 01 06 09.92 -18 28 19.4          18.1 R      428
         J99R45K  C1999 09 15.57353 01 06 09.48 -18 29 06.5          18.3 R      428
         J99R45K  C1999 09 16.00249 01 05 56.92 -19 04 46.1                      118
         J99R45K  C1999 09 16.00406 01 05 56.88 -19 04 53.6                      118
         J99R45K  C1999 09 16.01074 01 05 56.60 -19 05 27.5                      118
         J99R45K  C1999 09 16.05733 01 05 54.93 -19 09 20.2                      595
         J99R45K  C1999 09 16.06013 01 05 54.79 -19 09 37.3                      595
         J99R45K  C1999 09 16.06565 01 05 54.46 -19 10 04.9          18.4 V      595
         J99R45K  C1999 09 16.36668 01 05 46.15 -19 35 41.8          18.0 R      848
         J99R45K  C1999 09 16.36880 01 05 46.08 -19 35 54.0          17.9 R      848
         J99R45K  C1999 09 16.36999 01 05 46.03 -19 35 59.1          18.2 R      848
         J99R45K  C1999 09 16.53452 01 05 42.05 -19 49 39.2          17.6 R      426
         J99R45K  C1999 09 16.53753 01 05 41.92 -19 49 55.2          17.8 R      426
         J99R45K  C1999 09 16.54046 01 05 41.81 -19 50 11.1          17.6 R      426
         J99R45K  C1999 09 16.56830 01 05 40.16 -19 52 41.6          18.2 R      428
         J99R45K  C1999 09 16.57745 01 05 39.70 -19 53 29.7          18.0 R      428
         J99R45K  C1999 09 17.36294 01 05 11.13 -21 06 23.1          18.7 R      848
         J99R45K  C1999 09 17.36413 01 05 11.07 -21 06 29.3          18.2 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.
    413 Siding Spring.  Observer R. H. McNaught.  1.0-m f/8 reflector + CCD.
    426 Woomera.  Observer F. B. Zoltowski.  0.30-m f/3.3 Schmidt-Cassegrain + CCD.
    428 Reedy Creek.  Observer J. Broughton.  0.25-m f/6.3 Schmidt-Cassegrain
        + CCD.
    557 Ondrejov.  Observers P. Pravec, P. Kusnirak.  0.65-m f/3.6 reflector + CCD.
    595 Farra d'Isonzo.  Observers A. Toso, G. Lombardi, 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.
    859 Wykrota Observatory-CEAMIG.  Observers C. Jacques, L. Duczmal.  0.3-m f/3.3
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    1999 RK45
    Epoch 1999 Aug. 30.0 TT = JDT 2451420.5                 Williams
    M 320.41619              (2000.0)            P               Q
    n   0.49377334     Peri.    4.10871     -0.55967617     -0.82397788
    a   1.5853225      Node   119.94712     +0.75738901     -0.55190351
    e   0.7700428      Incl.    5.85876     +0.33633981     -0.12830813
    P   2.00           H   19.8           G   0.15
    From 69 observations 1999 Sept. 13-17.
    
    Ephemeris:
    1999 RK45                a,e,i = 1.59, 0.77, 6                   q = 0.3646
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    1999 09 09    01 07.32   -11 53.0    0.355    1.327   149.9    22.4    19.2
    1999 09 14    01 06.72   -16 32.2    0.284    1.264   152.1    21.8    18.6
    1999 09 19    01 03.92   -23 56.6    0.218    1.199   150.6    24.3    18.0
    1999 09 24    00 56.18   -36 45.3    0.160    1.132   141.0    33.9    17.5
    1999 09 29    00 28.13   -59 58.3    0.118    1.062   117.9    56.5    17.3
    1999 10 04    16 41.7    -80 48.5    0.110    0.990    81.5    92.2    18.3
    1999 10 09    13 58.78   -54 27.4    0.140    0.915    50.1   123.2    20.4
    1999 10 14    13 40.54   -38 03.2    0.192    0.838    30.7   142.5    23.0
    
    Gareth V. Williams           (C) Copyright 1999 MPC           M.P.E.C. 1999-S06
    

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