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  • MPEC 2017-S78 : 2017 RJ16

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    M.P.E.C. 2017-S78                                Issued 2017 Sept. 20, 02:41 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2017 RJ16
    
    Observations:
         K17R16J* C2017 09 13.47443 01 37 36.284-31 42 47.55         21.3 iLES078F51
         K17R16J  C2017 09 13.48369 01 37 35.991-31 42 46.08         21.4 iLES078F51
         K17R16J  C2017 09 13.50221 01 37 35.419-31 42 43.22         21.4 iLES078F51
         K17R16J |C2017 09 14.30490 01 37 13.77 -31 40 14.3          20.8 VuES078807
         K17R16J |C2017 09 14.31177 01 37 13.54 -31 40 13.2          21.0 VuES078807
         K17R16J |C2017 09 14.31841 01 37 13.32 -31 40 11.4          20.9 VuES078807
         K17R16J KC2017 09 16.59946 01 36 01.12 -31 31 44.3          21.2 RUES078474
         K17R16J KC2017 09 16.60650 01 36 00.86 -31 31 43.2          20.3 RUES078474
         K17R16J KC2017 09 16.61354 01 36 00.58 -31 31 40.7          20.9 RUES078474
         K17R16J KC2017 09 19.56634 01 34 01.58 -31 16 26.2          20.4 RUES078474
         K17R16J KC2017 09 19.56986 01 34 01.39 -31 16 24.9          20.2 RUES078474
         K17R16J KC2017 09 19.57338 01 34 01.22 -31 16 23.7          20.6 RUES078474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    
    Orbital elements:
    2017 RJ16
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 345.36076              (2000.0)            P               Q
    n   0.18046486     Peri.    1.09947     +0.73919924     -0.62587080
    a   3.1012798      Node    41.31664     +0.61500089     +0.47674455
    e   0.5426399      Incl.   22.13246     +0.27451482     +0.61725228
    P   5.46           H   20.0           G   0.15
    From 12 observations 2017 Sept. 13-19.
    
    Ephemeris:
    2017 RJ16                a,e,i = 3.10, 0.54, 22                  q = 1.4184
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 21    01 33 39.6 -31 22 04   0.9087  1.7227   127.5    27.8    22.2
    ...
    2017 09 05    01 39 14.7 -31 51 03   0.7725  1.6440   134.4    26.0    21.7
    ...
    2017 09 13    01 37 47.6 -31 43 52   0.7093  1.6052   138.0    24.8    21.4
    ...
    2017 09 19    01 34 26.5 -31 19 49   0.6667  1.5779   140.7    23.8    21.2
    2017 09 20    01 33 41.6 -31 13 48   0.6600  1.5734   141.1    23.6    21.2
    2017 09 21    01 32 53.5 -31 07 07   0.6535  1.5691   141.5    23.5    21.2
    ...
    2017 09 27    01 27 01.5 -30 11 43   0.6170  1.5440   143.8    22.5    21.0
    ...
    2017 10 05    01 16 48.7 -28 09 30   0.5764  1.5134   146.2    21.6    20.8
    ...
    2017 10 20    00 54 14.0 -21 23 10   0.5288  1.4663   146.6    22.0    20.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S78
    

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