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  • MPEC 2018-Q44 : 2015 QO3

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    M.P.E.C. 2018-Q44                                Issued 2018 Aug. 22, 13:46 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
    
                                       2015 QO3
    
                               Revision to MPEC 2015-Q42
    
    Additional Observations:
         K15Q03O KC2018 07 12.45713220 56 26.657-09 03 31.82         24.47GVEQ044T12
         K15Q03O KC2018 07 13.46328820 55 21.748-09 07 23.01         24.57GVEQ044T12
         K15Q03O KC2018 08 07.44435620 23 08.277-11 18 17.10         24.03GVEQ044T12
         K15Q03O KC2018 08 11.36076520 17 38.346-11 42 59.05         24.21GVEQ044T12
         K15Q03O KC2018 08 14.31985720 13 31.130-12 01 55.81         24.04GVEQ044T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Hung,
        D. J. Tholen.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    180712 T12 0.04+ 0.01+    180814 T12 0.03+ 0.00+    MPO438019   -0.32 day
    
    Orbital elements:
    2015 QO3                                            PHA, Earth MOID = 0.0286 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 251.71532              (2000.0)            P               Q
    n   0.29052779     Peri.  306.84045     -0.29820918     -0.95273993
    a   2.2577590      Node   160.26909     +0.92126243     -0.30317530
    e   0.8533501      Incl.    9.88340     +0.24969346     -0.01927076
    P   3.39           H   19.4           G   0.15           U   3
    Residuals in seconds of arc
    150725 F51  0.4+  0.0     150821 H21  0.1-  0.5+    150906 H21  0.4+  0.2-
    150725 F51  0.3+  0.0     150821 H21  0.1-  0.4+    150906 H21  0.4+  0.1-
    150725 F51  0.3+  0.1-    150821 151  0.3+  0.2+    150906 H21  0.0   0.0
    150725 F51  0.2+  0.1-    150821 151  0.3+  0.5+    150906 H21  0.0   0.2-
    150727 F52  0.1-  0.3-    150821 151  0.1+  0.6+    150906 F51  0.0   0.1-
    150727 F52  0.1-  0.2-    150821 C43 (0.5-  1.7-)   150906 F51  0.0   0.2+
    150727 F52  0.1-  0.1-    150821 C43  0.4-  0.3-    150906 F51  0.1+  0.2+
    150813 D29  0.0   0.2-    150821 595  0.2+  0.5-    150907 151  0.4-  0.7-
    150813 D29  0.3-  0.5+    150821 595  0.3+  0.6-    150907 151  0.1+  0.0
    150813 D29  0.0   0.0     150824 H21  0.0   0.1+    150907 151  0.1+  0.5+
    150819 703  0.4-  0.3+    150824 H21  0.1-  0.3+    150907 151  0.0   0.1+
    150819 703  0.5+  0.4-    150824 H21  0.0   0.4+    150907 151  0.0   0.2+
    150819 703  0.4+  1.1-    150825 H21  0.1+  0.2+    150907 151  0.1+  0.6+
    150819 703  1.1-  0.7+    150825 H21  0.3+  0.1+    150907 151  0.3+  0.9+
    150819 703  0.7+  1.0+    150825 H21  0.1+  0.1-    150909 151  0.3-  0.5-
    150819 H01  0.2-  0.1+    150825 H21  0.3+  0.1+    150909 151  0.4-  0.3-
    150819 703  0.4-  0.6+    150825 H21  0.2+  0.1-    150909 151  0.3-  0.3-
    150819 H01  0.1-  0.1+    150825 H21  0.2+  0.1-    150911 G45  0.3-  0.2+
    150819 H01  0.1-  0.2+    150825 H21  0.1-  0.1-    150911 G45  0.2-  0.5+
    150819 H01  0.2-  0.1+    150825 H21  0.1-  0.0     150911 G45  0.0   0.1+
    150819 104  0.2-  0.1-    150825 H21  0.1+  0.0     150911 G45  0.1+  0.1+
    150819 104  0.4-  0.1+    150825 H21  0.2+  0.0     150911 G45  0.0   0.0
    150819 104  0.4-  0.2+    150825 H21  0.1-  0.1-    150911 G45  0.0   0.0
    150819 958  1.0-  0.2-    150825 H21  0.1+  0.3+    150911 G45  0.0   0.0
    150819 958  0.1-  0.7-    150825 H21  0.1-  0.1+    150911 G45  0.0   0.2+
    150819 958  0.7-  0.6-    150825 G40  0.2-  0.2+    150912 G45  0.0   0.2+
    150819 I93  0.7-  0.2-    150825 G40  0.2-  0.0     150912 G45  0.2+  0.3+
    150819 I93  0.4-  0.0     150825 G40  0.0   0.1-    150912 G45  0.1-  0.1-
    150819 I93  0.6+  0.4-    150826 H21  0.3-  0.3-    150912 G45  0.1-  0.0
    150819 203  0.2+  0.5+    150826 H21  0.2-  0.4-    150912 G45  0.1+  0.3+
    150820 204  0.1-  0.1+    150826 H21  0.3-  0.2-    150912 G45  0.2+  0.1-
    150820 204  0.1+  0.2-    150901 705  0.6+  0.2+    150912 Y28  0.2+  0.1-
    150820 203  0.1+  0.0     150901 705  0.5+  0.2+    150912 Y28  0.1+  0.1-
    150820 204  0.3-  0.2-    150901 705  0.5-  0.5-    150912 Y28  0.0   0.1-
    150820 J22  0.2-  0.3-    150901 G40  0.3-  0.5-    150912 Y28  0.2+  0.0
    150820 J22  0.2-  0.3-    150901 G40  0.1+  0.6-    150914 G45  0.3-  0.2+
    150820 J22  0.4-  0.5-    150902 G40  0.2-  0.2+    150914 G45  0.2+  0.5-
    150820 H01  0.2-  0.0     150902 G40  0.7-  0.2-    150914 G45  0.8+  0.2-
    150820 H01  0.2-  0.0     150902 H21  0.2-  0.4-    150914 G45  1.1+  0.2+
    150820 H01  0.2-  0.0     150902 H21  0.2-  0.2-    150914 G45  0.2+  0.0
    150820 H01  0.4-  0.0     150902 H21  0.1-  0.4-    150914 G45  0.2-  0.1-
    150820 H36  0.1-  0.2-    150902 H21  0.1-  0.5-    150914 G45  0.0   0.1-
    150820 H36  0.2+  0.0     150902 H21  0.0   0.4-    150914 G45  0.1+  0.1-
    150820 H21  0.3-  0.1+    150902 H21  0.0   0.0     150915 G45  0.2+  0.0
    150820 H21  0.0   0.2-    150902 H21  0.1+  0.3-    150915 G45  0.3-  0.0
    150821 033  0.1-  0.0     150903 291  0.1+  0.1+    150915 G45  0.2-  0.1-
    150821 033  0.1-  0.0     150903 291  0.1-  0.2+    150915 G45  0.4-  0.2+
    150821 033  0.3+  0.2+    150903 291  0.2-  0.1+    150915 G45  0.1+  0.1-
    150821 033  0.1-  0.1+    150903 H21  0.1-  0.3+    150915 G45  0.1-  0.1+
    150821 033  0.2-  0.0     150903 H21  0.2-  0.3+    150915 G45  0.1+  0.3+
    150821 033  0.0   0.0     150903 H21  0.2+  0.4+    150918 F51  0.0   0.1-
    150821 033  0.0   0.1+    150903 H21  0.1+  0.0     150918 F51  0.2-  0.1-
    150821 033  0.2-  0.1+    150904 H21  0.1+  0.3+    150918 F51  0.0   0.2-
    150821 033  0.2-  0.0     150904 H21  0.0   0.1+    180712 T12  0.1+  0.0
    150821 033  0.2-  0.1-    150904 H21  0.1+  0.0     180713 T12  0.1-  0.1-
    150821 033  0.2-  0.0     150904 H21  0.1+  0.2+    180807 T12  0.1+  0.0
    150821 H36  0.2-  0.8-    150904 H21  0.3-  0.1+    180811 T12  0.0   0.0
    150821 H36  0.2+  0.2+    150906 H21  0.9+  0.2+    180814 T12  0.0   0.0
    150821 H36  0.3-  0.2+    150906 H21  0.8+  0.0
    150821 H21  0.0   0.3+    150906 H21  0.7+  0.1+
    
    Ephemeris:
    2015 QO3                 a,e,i = 2.26, 0.85, 10                  q = 0.3311
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 07 23    20 44 05.4 -09 50 04   2.1226  3.1196   166.5     4.4    23.9
    ...
    2018 08 07    20 23 45.9 -11 15 29   2.0217  3.0219   168.3     3.9    23.7
    ...
    2018 08 15    20 12 34.7 -12 06 16   1.9981  2.9675   159.3     6.9    23.8
    ...
    2018 08 21    20 04 29.7 -12 44 52   1.9936  2.9255   152.0     9.4    23.8
    2018 08 22    20 03 11.6 -12 51 16   1.9938  2.9184   150.7     9.8    23.9
    2018 08 23    20 01 54.3 -12 57 39   1.9944  2.9113   149.5    10.2    23.9
    ...
    2018 08 29    19 54 33.6 -13 35 18   2.0035  2.8680   142.1    12.5    23.9
    ...
    2018 09 06    19 45 59.6 -14 22 59   2.0293  2.8088   132.3    15.4    24.0
    ...
    2018 09 21    19 34 42.9 -15 41 03   2.1095  2.6925   115.0    19.8    24.2
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q44
    

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