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  • MPEC 2021-V85 : 2015 PU228

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    M.P.E.C. 2021-V85                              Issued 2021 November 4, 14:11 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 PU228                                
    
    
                               Revision to MPEC 2015-P73                            
    
    Additional Observations:
         K15PM8U  C2021 11 01.39355405 29 00.478+34 35 21.69         24.65GVEV085T14
         K15PM8U  C2021 11 01.39754405 29 00.306+34 35 22.50         24.58GVEV085T14
         K15PM8U  C2021 11 01.40153005 29 00.126+34 35 23.26         24.51GVEV085T14
         K15PM8U  C2021 11 02.51843605 28 11.055+34 38 58.98         24.37GVEV085T14
         K15PM8U  C2021 11 02.52242505 28 10.863+34 38 59.82         24.17GVEV085T14
         K15PM8U  C2021 11 02.52641005 28 10.672+34 39 00.46         24.33GVEV085T14
    
    Observer details:
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observers L. Wells, C.
        Cunningham.  Measurer D. J. Tholen.  3.6-m f/4.1 reflector + MegaCam.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    211101 T14 0.50+ 0.00+    211102 T14 0.50+ 0.00+    MPO473413   +1.83 days
    
    Orbital elements:
    2015 PU228                                          PHA, Earth MOID = 0.0213 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres
    M 273.16730              (2000.0)            P               Q
    n   0.28600388     Peri.  271.59141     -0.82284334     +0.55091317
    a   2.2815050      Node   301.86022     -0.43393817     -0.76749748
    e   0.7895868      Incl.    9.44440     -0.36691483     -0.32778393
    P   3.45           H   20.3           G   0.15           U   1
    Residuals in seconds of arc
    150724 F51  0.2+  0.2-    150818 291  0.0   0.3+    150826 H21  0.2+  0.5-
    150724 F51  0.2-  0.0     150818 291  0.0   0.2+    150827 H21  0.8-  1.0+
    150730 C51  0.1+  0.3+    150818 291  0.0   0.3+    150827 H21  0.2+  0.3-
    150812 F51  0.1-  0.4-    150819 568  0.0   0.0     150827 H21  0.0   0.0
    150813 G45  0.0   0.0     150819 568  0.1+  0.0     150827 291  0.1+  0.2+
    150813 G45  0.1+  0.1-    150819 204  0.1-  0.1+    150827 291  0.0   0.3+
    150813 G45  0.0   0.4-    150819 204  0.2-  0.1+    150827 291  0.2-  0.2+
    150813 G45  0.2-  0.1+    150819 204  0.1-  0.1+    150827 J95  0.1+  0.4-
    150815 H21  0.7-  0.3+    150820 H21  0.1-  0.0     150827 J95  0.1+  0.3-
    150815 H36  0.0   0.1-    150820 H21  0.2-  0.2+    150830 H01  0.1-  0.1+
    150815 H21  0.3-  0.3+    150820 H21  0.1+  0.2+    150830 H01  0.5-  0.1+
    150815 H21  0.4-  0.3+    150820 705  0.2+  0.4+    150830 H01  0.1-  0.2+
    150815 H36  0.3-  0.2+    150820 705  0.4+  0.1-    150830 H01  0.1-  0.0
    150815 H36  0.5+  0.2-    150820 705  0.2+  0.1+    150902 H21  0.8-  0.5-
    150815 300  1.5+  0.7+    150821 H21  0.2-  0.3+    150902 H21  0.8-  0.4-
    150815 300  0.6+  0.6+    150821 H21  0.3-  0.2+    150902 H21  0.7-  0.3-
    150815 300 (0.2+  1.5+)   150821 H21  0.1-  0.3+    150903 H21  0.4+  0.2+
    150815 033  0.2-  0.0     150821 H21  0.1-  0.0     150903 H21  0.3+  0.4+
    150815 033  0.1-  0.3-    150821 H21  0.2-  0.4+    150903 H21  0.1-  0.5+
    150815 033  0.1-  0.0     150821 151  0.0   0.2-    150903 291  0.1+  0.1+
    150815 033  0.1-  0.1-    150821 151  0.1+  0.1-    150903 291  0.1+  0.2+
    150815 033  0.1-  0.1-    150821 151  0.3+  0.0     150903 291  0.0   0.3+
    150815 033  0.1+  0.0     150821 157  1.0-  0.2-    150904 H21  0.3+  0.1-
    150815 033  0.2-  0.1-    150821 157  0.5-  0.5-    150904 291  0.1-  0.4+
    150815 L04  0.3+  0.1-    150822 291  0.1+  0.4+    150904 H21  0.1+  0.2+
    150815 I93  0.1+  0.3-    150822 291  0.1+  0.6+    150904 291  0.2+  0.1-
    150815 L04  0.1+  0.1-    150822 291  0.0   0.4+    150904 291  0.0   0.4+
    150815 I93  0.0   0.1-    150822 H21  0.1+  0.2+    150904 H21  0.5+  0.1-
    150815 I93  0.1-  0.1+    150822 H21  0.1+  0.1+    150905 F51  0.0   0.2-
    150815 L04  0.3-  0.0     150822 H21  0.0   0.1+    150905 F51  0.0   0.1-
    150815 Z99  0.2-  0.2-    150822 474  0.2-  0.3-    150906 H21  0.3+  0.2-
    150815 G40  0.2-  0.1+    150822 474  0.0   0.2-    150906 H21  0.2-  0.2+
    150815 Z99  0.3-  0.1+    150822 474  0.1+  0.2-    150906 H21  0.0   0.1-
    150815 G40  0.0   0.0     150822 474  0.0   0.1-    150907 H21  0.9-  0.5-
    150815 Z99  0.2+  0.4+    150823 291  0.1+  0.4+    150907 H21  0.5-  0.2-
    150815 G40  0.0   0.1+    150823 291  0.2+  0.4+    150907 H21  0.3+  0.0
    150816 Z99  0.3+  0.2-    150823 291  0.1+  0.4+    150907 291  0.0   0.1+
    150816 Z99  0.4+  0.0     150823 J95  0.1+  0.0     150907 291  0.1+  0.2+
    150816 Z99  0.5+  0.3+    150823 J95  0.1+  0.2+    150910 H21  0.5-  0.3+
    150817 H21  0.1-  0.2+    150823 J95  0.0   0.5-    150910 H21  0.5-  0.8+
    150817 H21  0.0   0.1-    150824 I89  0.5-  0.4+    150910 H21  0.8-  0.0
    150817 H21  0.1-  0.0     150824 I89  0.3-  0.2-    150910 568  0.0   0.0
    150817 H21  0.1+  0.1+    150824 I89  0.2+  0.2-    150910 568  0.1-  0.0
    150817 H21  0.0   0.1+    150824 H21  0.0   0.2-    150915 568  0.1+  0.1+
    150817 H21  0.1+  0.1+    150824 H21  0.0   0.1+    150915 568  0.0   0.0
    150817 H21  0.0   0.1+    150824 H21  0.1+  0.0     150920 H21  0.4-  0.5+
    150818 H21  0.3-  0.0     150824 H21  0.2-  0.3+    150920 H21  0.7-  0.5+
    150818 H21  0.4-  0.1+    150824 H21  0.2-  0.1+    150920 H21  0.4-  0.6+
    150818 H21  0.3-  0.0     150824 H21  0.2-  0.2+    150921 H21  0.9-  0.6-
    150818 H21  0.0   0.1-    150824 H21  0.5-  0.6+    150921 H21  1.2-  0.8-
    150818 H21  0.3-  0.0     150825 H21  0.3+  0.1+    150921 H21  1.0-  0.7-
    150818 H21  0.1-  0.1-    150825 H21  0.2+  0.1+    211101 T14  0.0   0.0
    150818 H21  0.1-  0.1-    150826 H21  0.2+  0.2-    211101 T14  0.0   0.0
    150818 H21  0.2-  0.2-    150826 H21  0.2+  0.3-    211101 T14  0.1-  0.0
    150818 H21  0.0   0.1-    150826 H21  0.3+  0.4-    211102 T14  0.1+  0.0
    150818 807  0.1+  0.1-    150826 H21  0.3+  0.5-    211102 T14  0.1+  0.0
    150818 807  0.1+  0.1-    150826 H21  0.2+  0.6-    211102 T14  0.0   0.1-
    150818 807  0.0   0.1-    150826 H21  0.3+  0.5-
    
    Ephemeris:
    2015 PU228               a,e,i = 2.28, 0.79, 9                   q = 0.4801
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 10 05    05 33 13.1 +33 02 13   2.2608  2.7280   107.1    20.5    25.3
    ...
    2021 10 20    05 34 19.2 +33 53 10   1.9556  2.6156   121.3    19.0    24.8
    ...
    2021 10 28    05 31 38.4 +34 20 46   1.8026  2.5530   129.5    17.5    24.5
    ...
    2021 11 03    05 27 48.9 +34 40 29   1.6943  2.5048   136.0    16.0    24.3
    2021 11 04    05 27 00.7 +34 43 36   1.6768  2.4966   137.1    15.7    24.3
    2021 11 05    05 26 09.6 +34 46 39   1.6596  2.4885   138.2    15.4    24.2
    ...
    2021 11 11    05 19 59.3 +35 03 07   1.5604  2.4387   145.0    13.5    24.0
    ...
    2021 11 19    05 08 51.5 +35 17 39   1.4412  2.3706   154.3    10.4    23.6
    ...
    2021 12 04    04 39 33.3 +35 03 23   1.2654  2.2371   167.1     5.6    23.0
    
    A. U. Tomatic                (C) Copyright 2021 MPC           M.P.E.C. 2021-V85
    


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