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  • MPEC 2017-S61 : 2017 RH16

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    M.P.E.C. 2017-S61                                Issued 2017 Sept. 20, 01:46 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 RH16
    
    Observations:
         K17R16H* C2017 09 13.33537 21 27 41.651-13 44 58.41         22.2 wLES061F51
         K17R16H  C2017 09 13.34897 21 27 40.539-13 45 01.65         22.3 wLES061F51
         K17R16H  C2017 09 13.36259 21 27 39.405-13 45 04.46         22.3 wLES061F51
         K17R16H  C2017 09 14.25642 21 27 03.15 -13 48 08.7          20.0 RoES061291
         K17R16H  C2017 09 14.27440 21 27 01.96 -13 48 11.6                oES061291
         K17R16H  C2017 09 14.29237 21 27 00.77 -13 48 13.3                oES061291
         K17R16H _C2017 09 18.40796121 25 42.733-13 54 35.99         22.8 GUES061568
         K17R16H _C2017 09 18.40959821 25 42.684-13 54 36.03         22.7 GUES061568
         K17R16H _C2017 09 18.41123521 25 42.637-13 54 35.94         22.8 GUES061568
    
    Observer details:
    291 LPL/Spacewatch II.  Observer A. F. Tubbiolo.  1.8-m f/2.7 reflector + CCD.
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Crowder.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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 RH16                                                Earth MOID = 0.0001 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  91.31696              (2000.0)            P               Q
    n   1.20252352     Peri.  226.60519     -0.90660489     +0.42196199
    a   0.8758041      Node   338.35241     -0.38399412     -0.82884372
    e   0.4400214      Incl.    0.61441     -0.17497453     -0.36737742
    P   0.82           H   25.8           G   0.15           U   9
    Residuals in seconds of arc
    170913 F51  0.0   0.1+    170914 291  0.1+  0.3+    170918 568  0.0   0.1-
    170913 F51  0.1+  0.2-    170914 291  0.0   0.0     170918 568  0.0   0.2-
    170913 F51  0.1-  0.1-    170914 291  0.4-  0.6+    170918 568  0.0   0.1-
    
    Ephemeris:
    2017 RH16                a,e,i = 0.88, 0.44, 1                   q = 0.4904
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 21    08 57 46.9 +15 55 55   0.07641 0.9383    15.6   163.1    32.3
    ...
    2017 09 05    21 50 19.4 -11 52 07   0.03370 1.0406   163.3    16.2    19.4
    ...
    2017 09 13    21 27 56.9 -13 42 49   0.09230 1.0870   149.8    27.8    22.0
    ...
    2017 09 19    21 25 42.2 -13 54 19   0.1376  1.1181   143.4    32.4    23.1
    2017 09 20    21 25 42.1 -13 54 31   0.1453  1.1230   142.4    33.1    23.3
    2017 09 21    21 25 46.6 -13 54 22   0.1530  1.1277   141.4    33.7    23.4
    ...
    2017 09 27    21 27 31.6 -13 47 28   0.2001  1.1547   136.0    37.1    24.1
    ...
    2017 10 05    21 32 22.5 -13 26 17   0.2648  1.1858   129.4    40.7    24.9
    ...
    2017 10 20    21 46 28.0 -12 19 53   0.3909  1.2294   118.1    45.6    25.9
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-S61
    

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