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  • MPEC 2020-B252 : 2015 PZ228

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    M.P.E.C. 2020-B252                             Issued 2020 January 29, 15:38 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 PZ228                                
    
    
                                Revision to MPEC 2015-Q5                            
    
    Additional Observations:
         K15PM8Z KC2020 01 25.65189918 32 48.105+79 55 10.40         20.39GVEB252T12
         K15PM8Z  C2020 01 26.64884018 46 16.715+80 03 08.10         20.06GVEB252T12
         K15PM8Z  C2020 01 26.64950518 46 17.264+80 03 08.44         20.14GVEB252T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. Fohring.  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, reference and Delta-T
    200125 T12 17.6+ 15.7+    200126 T12 18.2+ 15.0+    MPO438019   -0.01 days
    
    Orbital elements:
    2015 PZ228                                               Earth MOID = 0.1141 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M  16.66966              (2000.0)            P               Q
    n   0.40441780     Peri.  248.12538     -0.54554123     +0.80731863
    a   1.8109892      Node   342.25996     -0.17012963     -0.36954899
    e   0.7185049      Incl.   47.59597     -0.82063431     -0.46007627
    P   2.44           H   18.2           G   0.15           U   1
    Residuals in seconds of arc
    150813 G45  0.1-  0.0     150827 H21  0.0   0.1+    150915 H21  0.0   0.0
    150813 G45  0.0   0.1-    150827 H21  0.1-  0.1+    150915 H21  0.1+  0.0
    150813 G45  0.1-  0.4-    150827 H21  0.0   0.1+    150915 H21  0.1-  0.2+
    150813 G45  0.1-  0.1-    150827 H21  0.1-  0.1+    150917 H45  0.1-  0.0
    150816 J95  0.0   0.1+    150827 H21  0.1-  0.1+    150917 H45  0.2-  0.4+
    150816 J95  0.0   0.3+    150827 H21  0.1-  0.2+    150917 H45  0.4-  0.4-
    150816 J95  0.1-  0.2+    150829 G40  0.0   0.1-    150917 H45  0.4+  0.1-
    150816 I93  0.1+  0.0     150829 G40  0.4-  0.3-    150917 H45  0.1-  0.8-
    150816 I93  0.1+  0.1+    150829 G40  0.0   0.1+    150917 H45  0.4+  0.0
    150816 I93  0.3+  0.3-    150829 G40  0.1+  0.0     150923 H21  0.1-  0.3-
    150816 H21  0.0   0.1+    150829 F51  0.1-  0.0     150923 H21  0.1-  0.6-
    150816 H21  0.2-  0.0     150829 F51  0.0   0.1-    150923 H21  0.1-  0.5-
    150816 H21  0.0   0.1+    150829 F51  0.0   0.1-    150923 H21  0.1-  0.3-
    150816 H21  0.2-  0.0     150829 F51  0.1+  0.2-    150923 H21  0.3-  0.5-
    150816 H36  0.4+  0.1+    150829 F51  0.2+  0.0     150923 H21  0.2-  0.1-
    150816 H36  0.1-  0.1+    150829 F51  0.6+  0.4+    150924 H21  0.0   0.2-
    150816 H36  0.5-  0.0     150830 F51  0.0   0.1+    150924 H21  0.2+  0.0
    150816 C77  0.1-  0.1+    150830 F51  0.3+  0.1-    150924 H21  0.0   0.3-
    150816 C77  0.8+  0.2-    150830 F51  0.2+  0.1-    150924 H21  0.1-  0.2-
    150816 C77  0.5-  0.9-    150903 H21  0.0   0.3-    150924 H21  0.1-  0.1-
    150817 J22  0.2+  0.2-    150903 H21  0.3-  0.0     150924 H21  0.1+  0.0
    150817 J22  0.1-  0.2+    150903 H21  0.1-  0.0     151001 H21  0.4+  0.8+
    150817 J22  0.5+  0.1+    150903 H21  0.0   0.1-    151001 H21  0.0   0.3+
    150820 204  0.1-  0.1-    150903 H21  0.2-  0.2+    151001 H21  0.2-  0.3+
    150820 204  0.1-  0.0     150904 H21  0.0   0.2+    151001 H21  0.0   0.1+
    150820 204  0.2-  0.1-    150904 H21  0.0   0.1+    151001 703  1.2+  1.2+
    150820 204  0.2-  0.0     150904 H21  0.0   0.2+    151001 703  0.1-  0.7+
    150820 204  0.0   0.0     150904 H21  0.2-  0.1+    151001 703  0.6-  0.7-
    150820 705  0.4+  0.5-    150904 H21  0.1-  0.1+    151008 H21  0.3-  0.4+
    150820 705  0.1-  0.3-    150906 F51  0.1-  0.0     151008 H21  0.3-  0.3-
    150820 705  0.6-  0.2+    150906 F51  0.0   0.0     151008 H21  0.8-  0.1-
    150821 H21  0.1+  0.3-    150906 F51  0.2+  0.0     151011 H21  0.2+  0.1+
    150821 H21  0.3+  0.1-    150906 F51  0.2-  0.0     151011 H21  0.1+  0.1-
    150821 H21  0.0   0.1+    150906 A53  0.5-  0.2+    151011 H21  0.1+  0.0
    150821 H21  0.0   0.0     150906 A53  0.8+  0.5+    151017 H21  0.0   0.3-
    150821 H21  0.1+  0.2-    150906 A53  0.0   0.4+    151017 H21  0.3+  0.4-
    150821 H21  0.0   0.0     150911 H21  0.1+  0.1+    151017 H21  0.2+  0.2-
    150822 H21  0.0   0.1-    150911 H21  0.1-  0.4+    151018 H21  0.2+  0.2-
    150822 H21  0.0   0.1-    150911 H21  0.3-  0.3+    151018 H21  0.0   0.4+
    150822 H21  0.2+  0.1+    150911 H21  0.2-  0.4-    151018 H21  0.5+  0.2-
    150822 H21  0.0   0.0     150911 H21  0.1+  0.3-    151103 H21  0.3-  0.4-
    150826 B67  0.7-  0.3+    150912 H45  0.5-  0.2-    151103 H21  0.1-  0.2+
    150826 B67  0.8-  0.0     150912 H45  0.2-  0.0     151103 H21  0.6-  0.2+
    150826 B67  0.8-  0.1+    150912 H45  0.1+  0.1-    200125 T12  0.0   0.0
    150827 H21  0.1-  0.1+    150912 H45  0.1+  0.2+    200126 T12  0.0   0.0
    150827 H21  0.2-  0.2+    150912 H45  0.5+  0.3+    200126 T12  0.0   0.0
    150827 H21  0.1-  0.1+    150912 H45  0.3-  0.2-
    
    Ephemeris:
    2015 PZ228               a,e,i = 1.81, 0.72, 48                  q = 0.5098
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 12 30    14 55 36.6 +74 11 48   1.2080  1.7268   103.5    33.6    21.2
    ...
    2020 01 14    16 31 31.4 +77 32 25   1.0348  1.5770   102.7    37.5    20.8
    ...
    2020 01 22    17 47 55.7 +79 17 46   0.9470  1.4922   101.2    40.3    20.5
    ...
    2020 01 28    19 05 18.5 +80 11 56   0.8832  1.4264    99.4    42.9    20.4
    2020 01 29    19 20 01.8 +80 16 48   0.8728  1.4152    99.1    43.4    20.3
    2020 01 30    19 35 12.6 +80 20 03   0.8624  1.4040    98.7    43.9    20.3
    ...
    2020 02 05    21 11 53.1 +79 57 52   0.8009  1.3355    96.2    47.2    20.1
    ...
    2020 02 13    23 10 12.8 +77 12 41   0.7217  1.2409    91.8    52.7    19.9
    ...
    2020 02 28    01 24 35.4 +65 04 45   0.5853  1.0540    79.4    67.5    19.5
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-B252
    


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