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  • MPEC 2019-B22 : 2019 AF12

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    M.P.E.C. 2019-B22                                Issued 2019 Jan. 16, 15:23 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 AF12
    
    Observations:
         K19A12F* C2019 01 11.51939 11 22 42.172+08 46 09.49         22.0 wUEB022F51
         K19A12F  C2019 01 11.53054 11 22 41.847+08 46 08.26         21.9 wUEB022F51
         K19A12F  C2019 01 11.54171 11 22 41.537+08 46 06.87         22.2 wUEB022F51
         K19A12F  C2019 01 11.55288 11 22 41.221+08 46 05.73         22.0 wUEB022F51
         K19A12F |C2019 01 12.27017 11 22 22.40 +08 44 53.2          21.6 GUEB022807
         K19A12F |C2019 01 12.27577 11 22 22.22 +08 44 52.6          21.6 GUEB022807
         K19A12F |C2019 01 12.28218 11 22 22.02 +08 44 52.2          21.3 GUEB022807
         K19A12F |C2019 01 13.31541 11 21 51.99 +08 43 10.8          20.9 GUEB022807
         K19A12F |C2019 01 13.31921 11 21 51.86 +08 43 10.5          21.5 GUEB022807
         K19A12F |C2019 01 13.32342 11 21 51.74 +08 43 10.1          21.2 GUEB022807
         K19A12F |C2019 01 15.29107 11 20 46.23 +08 40 38.3          21.4 VuEB022807
         K19A12F |C2019 01 15.30034 11 20 45.89 +08 40 37.9          21.5 VuEB022807
         K19A12F |C2019 01 15.30930 11 20 45.53 +08 40 37.4          21.2 VuEB022807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        1.00-m f/10.0 astrograph + CCD, 0.61-m f/6.5 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, J. Fairlamb,
        H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
        R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2019 AF12                                                Earth MOID = 0.1770 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M  75.90097              (2000.0)            P               Q
    n   0.31749035     Peri.   65.70494     +0.73145779     -0.67950480
    a   2.1280526      Node   336.96630     +0.56090245     +0.64706568
    e   0.4765499      Incl.    8.36842     +0.38776017     +0.34580230
    P   3.10           H   19.3           G   0.15           U   5
    Residuals in seconds of arc
    190111 F51  0.0   0.0     190112 807  0.1-  0.2-    190115 807  0.2-  0.1-
    190111 F51  0.1-  0.0     190112 807  0.2-  0.0     190115 807  0.1+  0.0
    190111 F51  0.0   0.1-    190113 807  0.0   0.0     190115 807  0.0   0.1+
    190111 F51  0.1+  0.0     190113 807  0.1-  0.1+
    190112 807  0.1+  0.2-    190113 807  0.2+  0.0
    
    Ephemeris:
    2019 AF12                a,e,i = 2.13, 0.48, 8                   q = 1.1139
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 12 17    11 18 09.0 +10 53 06   1.0980  1.5799    98.6    38.0    22.0
    ...
    2019 01 01    11 24 27.1 +09 19 56   1.0405  1.6757   111.7    33.0    21.9
    ...
    2019 01 09    11 23 36.3 +08 51 50   1.0114  1.7267   119.9    29.6    21.8
    ...
    2019 01 15    11 20 56.5 +08 40 52   0.9923  1.7647   126.5    26.6    21.7
    2019 01 16    11 20 19.7 +08 39 52   0.9894  1.7710   127.7    26.1    21.7
    2019 01 17    11 19 40.2 +08 39 05   0.9867  1.7774   128.9    25.5    21.7
    ...
    2019 01 23    11 14 44.5 +08 38 59   0.9729  1.8151   136.1    22.1    21.6
    ...
    2019 01 31    11 05 46.5 +08 49 53   0.9633  1.8650   146.3    17.0    21.5
    ...
    2019 02 15    10 43 48.4 +09 32 30   0.9820  1.9566   166.9     6.6    21.2
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B22
    

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