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  • MPEC 2023-O92 : 2016 PQ8

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    M.P.E.C. 2023-O92                                 Issued 2023 July 27, 14:05 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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 PQ8                                 
    
    
                               Revision to MPEC 2016-P62                            
    
    Additional Observations:
         K16P08Q KB2023 07 22.17679 19 18 02.82 +11 12 29.0          20.9 rZEO092H36
         K16P08Q KB2023 07 22.18839 19 18 01.35 +11 12 22.7          21.2 rZEO092H36
         K16P08Q KB2023 07 22.19999 19 17 59.83 +11 12 16.4          20.9 rZEO092H36
         K16P08Q KB2023 07 23.16047 19 16 02.22 +11 02 35.4          20.4 rZEO092H36
         K16P08Q KB2023 07 23.17208 19 16 00.66 +11 02 28.2          20.8 rZEO092H36
         K16P08Q KB2023 07 23.18369 19 15 59.11 +11 02 20.8          20.5 rZEO092H36
         K16P08Q KC2023 07 25.96075019 09 58.346+10 26 56.33               VEO092J95
         K16P08Q KC2023 07 25.97358519 09 56.522+10 26 45.35         20.2 GVEO092J95
    
    Observer details:
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m f/4.2 reflector +
        CMO.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230722 H36 0.08+ 0.02+    230725 J95 0.08+ 0.02+    MPO750185   +0.05 days
    
    Orbital elements:
    2016 PQ8                                                 Earth MOID = 0.0189 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 339.42861              (2000.0)            P               Q                  
    n   0.56522457     Peri.  242.04174     +0.83874598     -0.53159329             
    a   1.4487341      Node   149.63000     +0.54440325     +0.81410937             
    e   0.3885115      Incl.   13.49193     +0.01141415     +0.23374028             
    P   1.74           H   22.12          G   0.15           U   0                  
    Residuals in seconds of arc
    160728 F51  0.0   0.3+    160810 H21  0.4+  0.2+    170109 291  0.5-  0.2+
    160728 F51  0.1-  0.0     160810 H21  0.2+  0.1+    170109 291  0.6-  0.4+
    160806 F51  0.2+  0.2-    160810 H21  0.2+  0.2+    170129 F51  0.1-  0.1+
    160806 F51  0.0   0.1-    160811 H21  0.4+  0.5+    170129 F51  0.1+  0.0
    160806 F51  0.1-  0.1+    160811 H21  0.5+  0.6+    170129 F51  0.1-  0.3+
    160806 807  0.2+  0.0     160811 H21  0.2+  0.4+    170129 F51  0.1-  0.1+
    160807 807  0.1+  0.5+    160811 H21  0.3+  0.5+    170217 H21  0.0   1.0+
    160807 807  0.2-  0.3+    160811 H21  0.3+  0.4+    170217 H21  0.0   0.7+
    160807 H21  0.1-  0.0     160822 291  0.1+  0.3-    170217 H21  0.1+  0.5+
    160807 H21  0.3-  0.1-    160822 291  0.1+  0.0     230722 H36  0.4-  0.1+
    160807 H21  0.1-  0.2-    160822 291  0.2-  0.4+    230722 H36  0.3+  0.3+
    160808 807  0.1+  0.1+    160823 291  0.1+  0.4+    230722 H36  0.2+  0.5+
    160808 807  0.2-  0.3-    160823 291  0.4+  0.1+    230723 H36  0.3+  0.4+
    160808 H21  0.2+  0.0     160828 291  0.1-  0.6-    230723 H36  0.2+  0.5+
    160808 H21  0.0   0.0     160828 291  1.0-  0.9-    230723 H36  0.3+  0.5+
    160808 H21  0.2+  0.3+    161203 807  0.6+  0.4+    230725 J95  0.3-  0.1+
    160808 568  0.0   0.1+    161203 807  0.6+  0.5+    230725 J95  0.1-  0.5+
    160808 568  0.0   0.1+    161203 807  0.0   0.0
    
    Ephemeris:
    2016 PQ8                 a,e,i = 1.45, 0.39, 13                  q = 0.8859
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 06 27    19 49 33.9 +10 18 06   0.4800  1.4180   140.0    27.5    22.5
    ...
    2023 07 12    19 35 20.9 +11 49 34   0.3610  1.3312   146.0    25.3    21.7
    ...
    2023 07 20    19 22 16.9 +11 30 11   0.3065  1.2835   146.7    25.8    21.3
    ...
    2023 07 26    19 09 53.2 +10 26 43   0.2699  1.2475   145.5    27.5    21.0
    2023 07 27    19 07 36.5 +10 11 09   0.2642  1.2415   145.1    27.9    20.9
    2023 07 28    19 05 16.3 +09 54 00   0.2585  1.2355   144.7    28.4    20.9
    ...
    2023 08 03    18 49 59.2 +07 34 28   0.2265  1.1993   141.0    32.2    20.7
    ...
    2023 08 11    18 26 07.3 +02 30 23   0.1893  1.1515   133.2    39.9    20.4
    ...
    2023 08 26    17 27 31.9 -15 08 57   0.1378  1.0651   109.7    63.3    20.2
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-O92
    


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