• MPC Preparation (Info)

  • MPEC 2017-O74 : 2017 OJ19

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    M.P.E.C. 2017-O74                                Issued 2017 July 31, 10:26 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 OJ19
    
    Observations:
         K17O19J* C2017 07 25.47083 21 15 26.312-22 55 44.43         20.9 wLEO074F51
         K17O19J  C2017 07 25.49128 21 15 28.945-22 55 31.74         20.9 wLEO074F51
         K17O19J  C2017 07 25.50150 21 15 30.255-22 55 25.11         20.8 wLEO074F51
         K17O19J _C2017 07 26.46426121 17 51.262-22 45 13.05         20.5 GUEO074568
         K17O19J _C2017 07 26.46523721 17 51.389-22 45 12.41         20.5 GUEO074568
         K17O19J _C2017 07 26.46620921 17 51.519-22 45 11.80         20.5 GUEO074568
         K17O19J  C2017 07 29.46584 21 25 14.366-22 10 34.48         20.8 wLEO074F51
         K17O19J  C2017 07 29.47685 21 25 15.816-22 10 26.50         20.8 wLEO074F51
         K17O19J  C2017 07 29.48787 21 25 17.267-22 10 18.12         20.7 wLEO074F51
         K17O19J  C2017 07 29.49890 21 25 18.725-22 10 09.91         20.6 wLEO074F51
         K17O19J KC2017 07 30.29954321 27 18.35 -22 00 19.0          20.2 VuEO074H21
         K17O19J KC2017 07 30.30992321 27 19.78 -22 00 11.0          20.6 VuEO074H21
         K17O19J |C2017 07 30.31098 21 27 19.12 -21 59 26.5          20.6 VuEO074807
         K17O19J |C2017 07 30.31444 21 27 19.58 -21 59 23.3          20.6 VuEO074807
         K17O19J |C2017 07 30.31790 21 27 20.07 -21 59 21.3          20.6 VuEO074807
         K17O19J KC2017 07 30.32001621 27 21.14 -22 00 02.9          20.2 VuEO074H21
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
        R. Weryk.  3.6-m Canada-France-Hawaii Telescope + 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.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
        astrograph + CCD.
    
    Orbital elements:
    2017 OJ19                                                Earth MOID = 0.1935 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M   4.45872              (2000.0)            P               Q
    n   0.26473726     Peri.  321.32409     +0.82748767     +0.56148065
    a   2.4021088      Node     4.51890     -0.50895055     +0.75149609
    e   0.4983541      Incl.    1.38634     -0.23713600     +0.34640023
    P   3.72           H   22.9           G   0.15           U   7
    Residuals in seconds of arc
    170725 F51  0.0   0.0     170729 F51  0.1-  0.0     170730 807  0.1-  0.0
    170725 F51  0.0   0.0     170729 F51  0.0   0.1-    170730 807  0.2-  0.4+
    170725 F51  0.0   0.1+    170729 F51  0.0   0.1+    170730 807  0.1+  0.4-
    170726 568  0.0   0.2-    170729 F51  0.1+  0.1+    170730 H21  0.2+  0.1+
    170726 568  0.0   0.2-    170730 H21  0.2-  0.2-
    170726 568  0.1+  0.2-    170730 H21  0.2+  0.2-
    
    Ephemeris:
    2017 OJ19                a,e,i = 2.40, 0.50, 1                   q = 1.2050
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 07 01    20 21 45.0 -25 16 52   0.3175  1.3142   156.7    17.8    21.9
    ...
    2017 07 16    20 53 16.4 -24 13 54   0.2511  1.2588   163.1    13.5    21.2
    ...
    2017 07 24    21 11 53.3 -23 10 02   0.2261  1.2364   166.0    11.5    20.8
    ...
    2017 07 30    21 26 33.7 -22 03 30   0.2121  1.2234   167.8    10.1    20.6
    2017 07 31    21 29 03.3 -21 50 43   0.2102  1.2215   168.1     9.9    20.6
    2017 08 01    21 31 33.5 -21 37 27   0.2084  1.2198   168.4     9.6    20.6
    ...
    2017 08 07    21 46 41.9 -20 07 52   0.1997  1.2113   170.1     8.3    20.4
    ...
    2017 08 15    22 06 35.4 -17 44 52   0.1942  1.2055   172.2     6.5    20.2
    ...
    2017 08 30    22 39 43.3 -12 39 05   0.2028  1.2121   176.1     3.2    20.2
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-O74
    

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