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  • MPEC 2019-L91 : 2016 QF44

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    M.P.E.C. 2019-L91                                Issued 2019 June 13, 18:31 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
    
                                    2016 QF44                                
    
                                Revision to MPEC 2016-R4                            
    
    Additional Observations:
         K16Q44F  C2011 01 30.53875 09 54 44.548+13 12 48.69         23.6 GVEL091F51
         K16Q44F  C2011 01 30.55397 09 54 43.343+13 12 56.33         23.1 GVEL091F51
         K16Q44F  C2011 01 30.58642 09 54 40.759+13 13 11.94         22.7 GVEL091F51
         K16Q44F  C2013 12 25.61336 08 42 20.131+15 59 22.49         22.3 GVEL091F51
         K16Q44F  C2013 12 25.62529 08 42 19.371+15 59 26.70         22.6 GVEL091F51
         K16Q44F  C2013 12 31.56305 08 35 43.557+16 37 31.59         21.6 GVEL091F51
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
        E. Magnier, A. Schultz, M. Willman.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    110130 F51 67.1+ 21.1+    131231 F51 59.8+ 11.7+    MPO397879   -0.02 days
    
    Orbital elements:
    2016 QF44                                                Earth MOID = 0.2299 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 292.77278              (2000.0)            P               Q
    n   0.31597308     Peri.  254.30242     +0.89307016     -0.44884783
    a   2.1348597      Node   132.35608     +0.42719132     +0.82431885
    e   0.4276382      Incl.    2.40466     +0.14118522     +0.34501313
    P   3.12           H   21.3           G   0.15           U   1
    Residuals in seconds of arc
    110130 F51  0.1-  0.1+    160910 691  0.5-  0.3+    161029 157  0.4+  0.3-
    110130 F51  0.0   0.2+    160911 H21  0.3-  0.0     161030 157  0.2+  0.3-
    110130 F51  0.0   0.2-    160911 H21  0.2-  0.2+    161030 157  0.2+  0.1-
    131225 F51  0.0   0.0     160911 H21  0.0   0.0     161030 G45  0.1+  0.2-
    131225 F51  0.1-  0.1+    160912 H21  0.1-  0.3+    161030 G45  0.1+  0.1+
    131231 F51  0.2+  0.4-    160912 H21  0.6+  0.1+    161030 G45  0.2+  0.3+
    160827 F51  0.2-  0.0     160912 H21  0.2+  0.2+    161030 G45  0.3+  0.1-
    160827 F51  0.4-  0.1-    160913 H21  0.7+  0.2+    161102 703  0.4+  1.0+
    160827 F51  0.4-  0.1-    160913 H21  0.3+  0.5+    161102 703  0.4-  0.6+
    160827 033  0.0   0.3+    160913 H21  0.5+  0.7+    161102 703  0.3-  0.2+
    160827 033  0.0   0.2-    160925 H21  0.3+  0.0     161102 703  0.4-  0.2-
    160827 033  0.1+  0.2-    160925 H21  0.0   0.6-    161102 D29  0.0   0.5-
    160827 033  0.2-  0.1-    160925 H21  0.2+  0.8+    161102 D29  0.8+  0.0
    160828 033  0.1-  0.4-    160925 291  0.1+  0.1+    161122 246  0.1-  0.0
    160828 033  0.1+  0.0     160925 291  0.2-  0.3+    161122 246  0.2-  0.1-
    160828 033  0.1+  0.1+    160925 291  0.3-  0.5+    161122 246  0.2-  1.1+
    160828 033  0.1+  0.0     161001 691  0.0   0.2-    161122 246  0.4-  0.7-
    160828 033  0.0   0.4-    161001 691  0.3+  0.6-    161122 246  0.6-  0.9-
    160828 033  0.2-  0.1-    161001 691  0.5-  0.4-    161123 G96  0.4-  0.0
    160828 033  0.0   0.2-    161002 691  0.0   0.1-    161123 G96  0.0   0.2+
    160828 033  0.0   0.1-    161002 691  0.2-  0.0     161123 G96  0.3-  0.2+
    160828 H21  0.5-  0.2-    161002 691  0.4-  0.0     161123 G96  0.1+  0.3+
    160828 H21  0.4+  0.3+    161006 G96  0.6+  0.0     161130 G45  0.4-  0.5+
    160828 H21  0.5+  0.0     161006 G96  0.4-  0.1-    161130 G45  0.2-  0.2-
    160828 691  0.0   0.4-    161006 G96  0.7-  0.3+    161130 G45  0.2+  0.2+
    160828 691  1.3+  0.1-    161006 G96  0.2+  0.1-    161130 G45  0.1-  0.1-
    160829 691  0.1-  0.4-    161007 H21  0.4+  1.0+    161201 204  0.0   0.0
    160829 691  0.2+  0.5-    161007 H21  0.4+  0.2-    161201 204  0.0   0.2-
    160829 691  0.5+  0.3-    161007 H21  0.2+  0.1+    161201 204  0.4-  0.4-
    160901 H21  0.1-  0.1+    161012 F51  0.1-  0.1+    161204 G96  0.1+  0.2+
    160901 H21  0.1-  0.0     161012 F51  0.0   0.1+    161204 G96  0.3+  0.3+
    160901 H21  0.3-  0.5+    161012 F51  0.1-  0.1+    161204 G96  0.1+  0.2+
    160909 691  0.2-  0.2-    161012 F51  0.1-  0.0     161204 G96  0.3-  0.0
    160909 691  0.0   0.1+    161028 F51  0.2+  0.1-    170101 H21  0.0   0.5-
    160909 691  0.7+  1.0+    161028 F51  0.2+  0.1-    170101 H21  0.2-  0.3-
    160910 691  0.6-  0.4+    161028 F51  0.2+  0.1-    170101 H21  0.2-  0.3-
    160910 691  0.1-  0.3-    161028 F51  0.2+  0.1-
    
    Ephemeris:
    2016 QF44                a,e,i = 2.13, 0.43, 2                   q = 1.2219
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 05 14    20 14 19.8 -17 45 45   1.4892  2.0761   110.9    27.1    25.0
    ...
    2019 05 29    20 26 50.1 -17 02 31   1.2639  1.9974   122.2    25.4    24.5
    ...
    2019 06 06    20 31 23.5 -16 46 54   1.1522  1.9546   128.7    23.9    24.2
    ...
    2019 06 12    20 33 39.1 -16 40 01   1.0731  1.9221   133.9    22.4    23.9
    2019 06 13    20 33 55.4 -16 39 20   1.0604  1.9166   134.8    22.1    23.9
    2019 06 14    20 34 09.9 -16 38 47   1.0478  1.9112   135.7    21.8    23.9
    ...
    2019 06 20    20 34 56.0 -16 38 42   0.9749  1.8784   141.3    19.8    23.6
    ...
    2019 06 28    20 33 59.6 -16 47 55   0.8859  1.8342   149.1    16.5    23.2
    ...
    2019 07 13    20 25 40.7 -17 37 16   0.7480  1.7509   165.5     8.3    22.5
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-L91
    


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