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  • MPEC 2019-Y125 : 2019 YC4

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    M.P.E.C. 2019-Y125                            Issued 2019 December 30, 20:07 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
    
                                    2019 YC4                                 
    
    
    Observations:
         K19Y04C* C2019 12 23.17750 06 38 56.56 -24 34 08.7                oEY125W93
         K19Y04C  C2019 12 23.18023 06 38 56.39 -24 34 01.4          21.4 RoEY125W93
         K19Y04C  C2019 12 23.22721 06 38 53.65 -24 31 49.1                oEY125W93
         K19Y04C  C2019 12 23.27186 06 38 51.06 -24 29 43.7                oEY125W93
         K19Y04C  C2019 12 23.31975 06 38 48.33 -24 27 26.8          20.9 RoEY125W93
         K19Y04C  C2019 12 23.32248 06 38 48.17 -24 27 19.3          20.9 RoEY125W93
         K19Y04C  C2019 12 24.16889 06 38 09.71 -23 46 51.4                oEY125W93
         K19Y04C  C2019 12 24.21384 06 38 07.02 -23 44 40.5                oEY125W93
         K19Y04C  C2019 12 24.26980 06 38 03.70 -23 41 55.5          20.8 RoEY125W93
         K19Y04C  C2019 12 24.32359 06 38 00.58 -23 39 15.6                oEY125W93
         K19Y04C KC2019 12 30.56784406 32 48.02 -17 54 12.2          21.4 GVEY125474
         K19Y04C KC2019 12 30.57078606 32 47.86 -17 54 01.9          21.2 GVEY125474
         K19Y04C KC2019 12 30.57666706 32 47.52 -17 53 39.7          21.2 GVEY125474
         K19Y04C KC2019 12 30.57960806 32 47.38 -17 53 29.4          21.0 GVEY125474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M. 
       Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    W93 Korea Microlensing Telescope Network-CTIO.  Observer Y. JeongAhn.  1.6-m 
       f/3.22 reflector + CCD.
    
    Orbital elements:
    2019 YC4                                                 Earth MOID = 0.2782 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M  98.71678              (2000.0)            P               Q
    n   0.53101148     Peri.  305.36675     +0.30454658     -0.90938249
    a   1.5103124      Node   124.42274     +0.94667547     +0.25614578
    e   0.2094080      Incl.   20.08869     +0.10515198     +0.32773895
    P   1.86           H   22.2           G   0.15           U   7
    Residuals in seconds of arc
    191223 W93  0.1+  0.1-    191223 W93  0.3-  0.1+    191230 474  0.0   0.4+
    191223 W93  0.1-  0.4-    191224 W93  0.1+  0.3-    191230 474  0.2+  0.1-
    191223 W93  0.2-  0.4+    191224 W93  0.3-  0.4-    191230 474  0.4+  0.4+
    191223 W93  0.2-  0.2-    191224 W93  0.3-  0.1+    191230 474  0.9+  0.2-
    191223 W93  0.2-  0.4+    191224 W93  0.3-  0.4+
    
    Ephemeris:
    2019 YC4                 a,e,i = 1.51, 0.21, 20                  q = 1.1940
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 11 30    06 47 18.5 -34 54 41   0.3839  1.1942   113.8    49.1    22.3
    ...
    2019 12 15    06 44 21.6 -29 51 45   0.3321  1.2010   123.8    43.0    21.9
    ...
    2019 12 23    06 39 04.4 -24 42 29   0.3079  1.2084   131.0    37.9    21.6
    ...
    2019 12 29    06 34 08.5 -19 28 18   0.2939  1.2156   137.2    33.3    21.4
    2019 12 30    06 33 17.5 -18 29 00   0.2920  1.2170   138.3    32.5    21.3
    2019 12 31    06 32 26.4 -17 27 48   0.2903  1.2184   139.4    31.7    21.3
    ...
    2020 01 06    06 27 31.7 -10 44 46   0.2836  1.2274   145.4    27.0    21.1
    ...
    2020 01 14    06 22 18.0 -00 43 32   0.2862  1.2414   150.9    22.7    21.0
    ...
    2020 01 29    06 20 17.1 +17 14 29   0.3307  1.2728   146.1    25.5    21.5
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y125
    


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