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  • MPEC 2017-M67 : 2015 DU180

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    M.P.E.C. 2017-M67                                Issued 2017 June 25, 21:45 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 DU180
    
                               Revision to MPEC 2015-D69
    
    Additional Observations:
         K15DI0U  C2017 06 23.26292511 39 52.675+03 53 49.00         23.7 GUEM067T14
         K15DI0U  C2017 06 23.26577011 39 52.579+03 53 49.11         23.5 GUEM067T14
         K15DI0U  C2017 06 23.26863511 39 52.480+03 53 49.25         23.5 GUEM067T14
         K15DI0U  C2017 06 24.25267211 39 22.169+03 54 28.41         23.4 GUEM067T14
         K15DI0U  C2017 06 24.25550811 39 22.075+03 54 28.55         23.8 GUEM067T14
    
    Observer details:
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer D. Woodworth.
        Measurer D. J. Tholen.  3.6-m Canada-France-Hawaii Telescope.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    170623 T14 0.15- 0.05+    170624 T14 0.16- 0.05+    MPO349336   -0.73 day
    
    Orbital elements:
    2015 DU180                                          PHA, Earth MOID = 0.0080 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M   2.05990              (2000.0)            P               Q
    n   0.36867287     Peri.  315.33409     +0.99021600     -0.12266837
    a   1.9262320      Node    51.82781     +0.13947496     +0.88494010
    e   0.9221065      Incl.    4.85375     -0.00436007     +0.44925883
    P   2.67           H   20.8           G   0.15           U   4
    Residuals in seconds of arc
    150220 F51  0.0   0.2+    150222 I93  0.6-  0.1+    150227 568  0.1-  0.0
    150220 F51  0.0   0.0     150222 I93  0.1+  0.2-    150309 705  0.3+  0.1-
    150220 F51  0.1+  0.0     150222 I93  0.1+  0.1-    150309 705  0.9+  0.1+
    150220 F51  0.1+  0.2+    150222 033  0.2+  0.1+    150309 705  0.7+  0.2+
    150220 F51  0.2-  0.2+    150222 033  0.4+  0.1-    150310 291  0.3-  0.1-
    150220 F51  0.1+  0.3+    150224 H36  0.4-  0.1-    150310 291  0.2-  0.1-
    150221 G58  0.3-  0.0     150224 H36  0.7+  1.0+    150310 291  0.2+  0.2+
    150221 G58  0.0   0.2+    150224 H21  0.4+  0.3+    150311 291  0.1+  0.1+
    150221 G58  0.3-  0.4-    150224 H36  0.8-  0.6+    150311 291  0.3-  0.1-
    150221 J95  0.6-  0.1+    150224 H21  0.7+  0.8+    170623 T14  0.1+  0.1+
    150221 J95 (0.3+  2.0+)   150224 H21  0.1+  0.1-    170623 T14  0.1+  0.1+
    150222 033  0.0   0.1+    150225 568  0.1+  0.1-    170623 T14  0.1+  0.1+
    150222 033  0.3+  0.0     150225 568  0.1+  0.1-    170624 T14  0.0   0.1+
    150222 033  0.0   0.1+    150227 568  0.0   0.0     170624 T14  0.1-  0.2+
    150222 033  0.2+  0.1-    150227 568  0.0   0.0
    
    Ephemeris:
    2015 DU180               a,e,i = 1.93, 0.92, 5                   q = 0.1500
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 05 26    12 11 11.2 +01 49 08   1.1694  1.8636   117.1    28.9    23.8
    ...
    2017 06 10    11 50 16.8 +03 22 48   1.2125  1.6779    97.3    36.9    23.8
    ...
    2017 06 18    11 43 10.9 +03 46 41   1.2358  1.5711    87.9    40.3    23.8
    ...
    2017 06 24    11 39 30.0 +03 54 21   1.2498  1.4869    81.3    42.5    23.8
    2017 06 25    11 39 00.7 +03 54 52   1.2517  1.4725    80.2    42.9    23.8
    2017 06 26    11 38 33.4 +03 55 10   1.2534  1.4579    79.2    43.2    23.8
    ...
    2017 07 02    11 36 29.1 +03 52 53   1.2605  1.3685    73.0    45.3    23.7
    ...
    2017 07 10    11 35 12.7 +03 40 30   1.2589  1.2421    65.2    48.0    23.6
    ...
    2017 07 25    11 35 38.9 +02 58 08   1.2102  0.9779    51.2    54.1    23.1
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-M67
    

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