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  • MPEC 2017-O12 : 2014 QX432

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    M.P.E.C. 2017-O12                                Issued 2017 July 18, 01:27 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
    
                                      2014 QX432
    
                               Revision to MPEC 2014-R33
    
    Additional Observations:
         K14Qh2X  C2017 07 17.32585 14 24 37.39 -09 55 10.6          18.4 oLEO012T08
         K14Qh2X  C2017 07 17.33464 14 24 44.97 -09 56 12.4          18.6 oLEO012T08
         K14Qh2X  C2017 07 17.34293 14 24 52.00 -09 57 10.8          18.6 oLEO012T08
         K14Qh2X  C2017 07 17.35170 14 24 59.57 -09 58 13.1          18.3 oLEO012T08
         K14Qh2X KC2017 07 17.84830 14 32 06.89 -10 55 43.1          18.7  UEO012104
         K14Qh2X KC2017 07 17.86141 14 32 17.81 -10 57 11.0          18.2  UEO012104
         K14Qh2X KC2017 07 17.86578 14 32 21.47 -10 57 40.4          18.8  UEO012104
         K14Qh2X KC2017 07 17.87429 14 32 28.53 -10 58 37.5          17.7  UEO012104
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, L. Nesti,
        G. Carotta, M. Carotta.  Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m
        f/4 reflector + CCD.
    T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, A. Heinze, H. Weiland,
        B. Stalder, J. Tonry.  Measurers L. Denneau, A. Heinze, J. Tonry.  0.5-m
        f/2.0 Schmidt + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    170717 T08 0.17- 0.07+    170717 104 0.17- 0.07+    MPO411563   +0.036 day
    
    Orbital elements:
    2014 QX432                                          PHA, Earth MOID = 0.0190 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M  66.70228              (2000.0)            P               Q
    n   0.61703974     Peri.   68.62101     -0.99451478     +0.00997934
    a   1.3664507      Node   111.82843     -0.04673731     -0.93293288
    e   0.5869509      Incl.    6.43989     +0.09357337     -0.35991202
    P   1.60           H   19.8           G   0.15           U   4
    Residuals in seconds of arc
    140707 F51  0.1-  0.2+    140903 291  0.2-  0.2+    140915 291  0.2-  0.1-
    140707 F51  0.1-  0.1+    140903 291  0.2-  0.0     140915 291  0.1+  0.2+
    140707 F51  0.1-  0.1+    140903 568  0.0   0.1-    140922 291  0.4-  0.5+
    140707 F51  0.0   0.1+    140903 568  0.1+  0.0     140922 291  0.2-  0.3+
    140828 F51  0.1-  0.2-    140911 F51  0.4+  0.1+    140922 291  1.3-  0.0
    140828 F51  0.3-  0.2-    140911 F51  0.5+  0.0     170717 T08  0.3-  0.0
    140828 F51  0.0   0.3-    140911 F51  0.5+  0.1+    170717 T08  0.6+  0.1+
    140831 291  0.5+  0.1+    140912 291  0.0   0.4-    170717 T08  0.5-  0.1+
    140831 291  0.4+  0.0     140912 291  0.1-  0.1+    170717 T08  0.4+  0.6-
    140831 291  0.6+  0.6+    140912 291  0.7-  0.2-    170717 104  0.2-  0.1-
    140902 291  0.2+  0.3+    140914 291  0.6-  0.0     170717 104  0.1-  0.1+
    140902 291  0.2+  0.1+    140914 291  0.4-  0.1+    170717 104  0.2+  0.1+
    140902 291  0.1+  0.0     140914 291  0.0   0.1-    170717 104  0.2-  0.0
    140903 291  0.0   0.0     140915 291  0.3+  0.2-
    
    Ephemeris:
    2014 QX432               a,e,i = 1.37, 0.59, 6                   q = 0.5644
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 06 18    08 18 06.5 +28 51 12   0.3484  0.7551    34.5   130.4    22.6
    ...
    2017 07 03    10 28 50.1 +21 11 50   0.1819  0.9129    50.9   120.2    20.8
    ...
    2017 07 11    12 39 24.2 +05 13 08   0.1453  0.9977    78.5    93.3    18.9
    ...
    2017 07 17    14 19 52.2 -09 15 38   0.1617  1.0601   101.4    70.0    18.4
    2017 07 18    14 34 15.4 -11 11 53   0.1677  1.0704   104.4    66.9    18.4
    2017 07 19    14 47 48.3 -12 57 30   0.1745  1.0806   107.1    64.0    18.4
    ...
    2017 07 25    15 52 37.5 -20 17 28   0.2269  1.1410   118.3    51.6    18.8
    ...
    2017 08 02    16 47 11.3 -24 46 39   0.3154  1.2188   123.8    43.8    19.4
    ...
    2017 08 17    17 45 01.9 -27 31 31   0.5086  1.3555   122.5    39.0    20.5
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-O12
    

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