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  • MPEC 2019-L90 : 2016 PY66

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    M.P.E.C. 2019-L90                                Issued 2019 June 13, 16:32 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 PY66                                
    
                                Revision to MPEC 2016-Q3                            
    
    Additional Observations:
         K16P66Y KC2019 06 06.03616 15 43 17.54 -13 18 11.0          20.8 GVEL090J04
         K16P66Y KC2019 06 06.04367 15 43 16.88 -13 18 13.8          20.8 GVEL090J04
         K16P66Y KC2019 06 06.05117 15 43 16.27 -13 18 16.5          21.6 GVEL090J04
         K16P66Y KC2019 06 06.97915 15 42 05.52 -13 24 39.7          21.6 GVEL090J04
         K16P66Y KC2019 06 06.98673 15 42 04.88 -13 24 43.5          21.1 GVEL090J04
         K16P66Y KC2019 06 06.99469 15 42 04.24 -13 24 46.6          20.9 GVEL090J04
    
    Observer details:
    J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  
        1.0-m f/4.4 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
    190606 J04 0.17- 0.05-    190606 J04 0.17- 0.05-    MPO389211   -0.12 days
    
    Orbital elements:
    2016 PY66                                                Earth MOID = 0.2552 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 317.62977              (2000.0)            P               Q
    n   0.32157086     Peri.  229.03424     +0.70689436     +0.69665590
    a   2.1100120      Node    86.41091     -0.60654739     +0.68603401
    e   0.4073725      Incl.    7.04196     -0.36386896     +0.20982825
    P   3.06           H   21.7           G   0.15           U   0
    Residuals in seconds of arc
    160628 F51  0.0   0.2-    160821 807  0.5-  0.8-    160920 807  0.0   0.1-
    160628 F51  0.0   0.1-    160821 807  0.2-  0.4-    160920 807  0.1+  0.2+
    160705 F51  0.0   0.1-    160826 807  0.1+  0.0     161002 807  0.1-  0.1-
    160705 F51  0.0   0.1-    160826 807  0.1-  0.1-    161002 807  0.6-  0.9+
    160705 F51  0.0   0.1-    160826 807  0.0   0.1-    161002 807  0.4+  0.3+
    160811 F51  0.0   0.2+    160830 807  0.2+  0.5+    161019 F51  0.0   0.4-
    160811 F51  0.1-  0.3+    160830 807  0.1-  0.3-    161019 F51  0.1+  0.2-
    160811 F51  0.1-  0.1-    160830 807  0.0   0.3-    161019 F51  0.3+  0.2+
    160811 F51  0.0   0.1+    160907 F51  0.0   0.1-    161029 807  0.2+  0.3-
    160813 807  0.1+  0.3-    160907 F51  0.0   0.1+    161029 807  0.1+  0.5+
    160813 807  0.1+  0.1-    160907 F51  0.0   0.1+    161029 807  0.4-  0.4-
    160813 807  0.5-  0.0     160912 807  0.2-  0.3-    190606 J04  0.2+  0.1-
    160814 807  0.0   0.4-    160912 807  0.3+  0.2+    190606 J04  0.3-  0.1+
    160814 807  0.2+  0.1-    160912 807  0.7+  0.6-    190606 J04  0.1-  0.4+
    160814 807  0.1+  0.2+    160919 F51  0.2+  0.1+    190606 J04  0.2+  0.6+
    160815 807  0.0   0.5+    160919 F51  0.1-  0.1+    190606 J04  0.0   0.0
    160815 807  0.4+  0.3-    160919 F51  0.2-  0.3-    190606 J04  0.3+  0.3+
    160815 807  0.6+  0.2-    160919 F51  0.1-  0.3+
    160821 807  0.1-  0.1+    160920 807  0.1+  0.0
    
    Ephemeris:
    2016 PY66                a,e,i = 2.11, 0.41, 7                   q = 1.2505
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 05 14    16 10 32.6 -11 48 48   0.6340  1.6335   166.4     8.4    22.4
    ...
    2019 05 29    15 53 43.7 -12 32 32   0.5501  1.5569   168.9     7.2    21.9
    ...
    2019 06 06    15 43 20.7 -13 17 45   0.5219  1.5174   160.9    12.7    21.9
    ...
    2019 06 12    15 35 55.8 -14 03 14   0.5077  1.4887   154.1    17.4    22.0
    2019 06 13    15 34 46.4 -14 11 48   0.5059  1.4839   152.9    18.1    22.0
    2019 06 14    15 33 38.7 -14 20 39   0.5042  1.4793   151.8    18.9    22.0
    ...
    2019 06 20    15 27 36.3 -15 19 34   0.4968  1.4517   145.1    23.6    22.1
    ...
    2019 06 28    15 22 02.5 -16 52 48   0.4934  1.4166   136.7    29.5    22.2
    ...
    2019 07 13    15 21 39.1 -20 26 52   0.5011  1.3574   123.2    38.8    22.4
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-L90
    


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