• Processing (Info)

  • MPEC 2017-O71 : 2017 OX18

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    M.P.E.C. 2017-O71                                Issued 2017 July 30, 00:45 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 OX18
    
    Observations:
         K17O18X* C2017 07 27.50783 23 25 03.425+07 01 04.70         20.2 wLEO071F51
         K17O18X  C2017 07 27.52010 23 25 07.912+07 00 20.43         20.3 wLEO071F51
         K17O18X  C2017 07 27.54471 23 25 16.919+06 58 51.34         20.4 wLEO071F51
         K17O18X KC2017 07 28.29354823 30 04.59 +06 12 51.7          20.4 VuEO071H21
         K17O18X KC2017 07 28.29625923 30 05.59 +06 12 41.5          20.4 VuEO071H21
         K17O18X KC2017 07 28.30061723 30 07.22 +06 12 25.6          20.5 VuEO071H21
         K17O18X _C2017 07 28.49278223 31 21.099+06 00 42.82         20.2 GUEO071568
         K17O18X _C2017 07 28.49376023 31 21.458+06 00 39.19         20.2 GUEO071568
         K17O18X _C2017 07 28.49473623 31 21.816+06 00 35.58         20.2 GUEO071568
         K17O18X KC2017 07 29.32662 23 36 40.79 +05 07 54.2          20.3 VqEO071W25
         K17O18X KC2017 07 29.34515 23 36 47.64 +05 06 43.1          20.0 VqEO071W25
         K17O18X 1C2017 07 29.41664 23 37 15.37 +05 01 59.8                 EO071658
         K17O18X 1C2017 07 29.41837 23 37 16.00 +05 01 54.3                 EO071658
         K17O18X 1C2017 07 29.42009 23 37 16.69 +05 01 47.6                 EO071658
         K17O18X  C2017 07 29.58472 23 38 19.093+04 51 34.37         20.4 wLEO071F51
         K17O18X  C2017 07 29.59747 23 38 23.778+04 50 45.06         20.4 wLEO071F51
         K17O18X  C2017 07 29.61018 23 38 28.442+04 49 55.87         20.1 wLEO071F51
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, C. Wipper.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    658 National Research Council of Canada.  Observer D. D. Balam.  1.82-m
        Plaskett 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
        astrograph + CCD.
    W25 RMS Observatory, Cincinnati.  Observer B. Rowe.  0.35-m Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2017 OX18                                                Earth MOID = 0.1349 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M   7.21782              (2000.0)            P               Q
    n   0.26063194     Peri.  184.69141     +0.79102781     +0.57950526
    a   2.4272674      Node   137.81499     -0.55136974     +0.81418185
    e   0.5272836      Incl.   16.97751     -0.26507812     +0.03579904
    P   3.78           H   21.8           G   0.15           U   8
    Residuals in seconds of arc
    170727 F51  0.2-  0.1-    170728 568  0.2-  0.2-    170729 658 (2.5-  2.1-)
    170727 F51  0.3-  0.1-    170728 568  0.2-  0.2-    170729 658 (1.7-  2.2-)
    170727 F51  0.3-  0.2-    170728 568  0.3-  0.1-    170729 F51  0.2-  0.0
    170728 H21  0.3-  0.1+    170729 W25  0.1+  0.2+    170729 F51  0.2-  0.1-
    170728 H21  0.4-  0.0     170729 W25  0.1-  0.0     170729 F51  0.3-  0.2-
    170728 H21  0.2-  0.2+    170729 658 (2.2-  3.2-)
    
    Ephemeris:
    2017 OX18                a,e,i = 2.43, 0.53, 17                  q = 1.1474
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 06 30    21 01 59.1 +19 56 28   0.3265  1.2294   124.0    43.3    21.5
    ...
    2017 07 15    22 10 18.7 +16 22 29   0.2447  1.1789   126.6    43.8    20.8
    ...
    2017 07 23    22 56 43.7 +11 09 26   0.2146  1.1612   128.3    43.4    20.5
    ...
    2017 07 29    23 34 34.4 +05 29 07   0.2008  1.1525   129.1    43.1    20.3
    2017 07 30    23 40 58.8 +04 24 58   0.1993  1.1515   129.2    43.1    20.3
    2017 07 31    23 47 23.0 +03 19 10   0.1981  1.1506   129.2    43.1    20.3
    ...
    2017 08 06    00 25 07.0 -03 37 34   0.1959  1.1475   128.9    43.4    20.2
    ...
    2017 08 14    01 10 35.0 -12 44 45   0.2059  1.1501   127.5    44.3    20.4
    ...
    2017 08 29    02 10 55.8 -25 33 05   0.2536  1.1748   125.3    44.6    20.9
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-O71
    

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