• MPC Preparation (Info)

  • MPEC 2019-O121 : 2019 ON2

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2019-O120 Read MPEC 2019-O122


    M.P.E.C. 2019-O121                                Issued 2019 July 30, 13:15 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 ON2                                 
    
    
    Observations:
         K19O02N  C2019 05 08.45109715 47 39.147-02 48 35.41         22.6 GVEO121F51
         K19O02N  C2019 05 08.46194515 47 38.776-02 48 28.14         22.7 GVEO121F51
         K19O02N  C2019 05 08.47278015 47 38.392-02 48 20.93         23.8 GVEO121F51
         K19O02N  C2019 05 08.48360215 47 38.006-02 48 14.08         22.0 GVEO121F51
         K19O02N  C2019 05 09.40039915 47 11.965-02 38 08.24         22.5 GVEO121F51
         K19O02N  C2019 05 09.42490115 47 11.060-02 37 51.87         21.9 GVEO121F51
         K19O02N  C2019 05 11.50258215 46 04.243-02 15 06.93         23.2 GVEO121F51
         K19O02N  C2019 05 11.51294715 46 03.846-02 15 00.74         23.4 GVEO121F51
         K19O02N  C2019 05 11.52327315 46 03.377-02 14 53.25         22.6 GVEO121F51
         K19O02N  C2019 05 11.53362515 46 02.985-02 14 46.91         23.2 GVEO121F51
         K19O02N  C2019 06 30.32097015 17 50.623-01 08 57.06         21.7 GVEO121F51
         K19O02N  C2019 06 30.34321615 17 50.797-01 09 16.82         21.7 GVEO121F51
         K19O02N  C2019 06 30.35432215 17 50.886-01 09 26.66         21.7 GVEO121F51
         K19O02N* C2019 07 25.29295 15 54 40.642-11 41 37.89         21.5 wUEO121F51
         K19O02N  C2019 07 25.30366 15 54 42.276-11 42 00.55         21.9 wUEO121F51
         K19O02N  C2019 07 25.31439 15 54 43.912-11 42 23.43         21.8 wUEO121F51
         K19O02N  C2019 07 25.32516 15 54 45.574-11 42 46.49         21.8 wUEO121F51
         K19O02N |C2019 07 27.13311 16 00 03.88 -12 48 15.7          21.3 GUEO121807
         K19O02N |C2019 07 27.13922 16 00 04.93 -12 48 29.0          21.5 GUEO121807
         K19O02N |C2019 07 27.14534 16 00 05.98 -12 48 42.5          21.3 GUEO121807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.  
        1.00-m f/10.0 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
        E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau,
        J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  
        1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2019 ON2                                                 Earth MOID = 0.1027 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 328.62261              (2000.0)            P               Q
    n   0.30832847     Peri.  175.93803     +0.57169974     +0.81704731
    a   2.1700028      Node   128.91299     -0.75544229     +0.55976492
    e   0.4846641      Incl.    5.51549     -0.32010365     +0.13819163
    P   3.20           H   23.0           G   0.15           U   4
    Residuals in seconds of arc
    190508 F51  0.1-  0.1-    190511 F51  0.4+  0.3-    190725 F51  0.0   0.1+
    190508 F51  0.0   0.0     190511 F51  0.3-  0.4+    190725 F51  0.1-  0.1+
    190508 F51  0.0   0.0     190511 F51  0.1+  0.0     190725 F51  0.0   0.0
    190508 F51  0.0   0.3-    190630 F51  0.1+  0.0     190727 807  0.2+  0.2-
    190509 F51  0.0   0.1-    190630 F51  0.0   0.0     190727 807  0.1+  0.0
    190509 F51  0.0   0.2+    190630 F51  0.1-  0.0     190727 807  0.1+  0.1-
    190511 F51  0.0   0.3+    190725 F51  0.1+  0.1-
    
    Ephemeris:
    2019 ON2                 a,e,i = 2.17, 0.48, 6                   q = 1.1183
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 06 30    15 17 44.3 -01 04 02   0.2628  1.1955   127.7    42.3    22.1
    ...
    2019 07 15    15 31 59.1 -06 16 05   0.2303  1.1474   119.4    50.5    22.0
    ...
    2019 07 23    15 48 33.6 -10 21 09   0.2151  1.1307   117.2    53.0    21.9
    ...
    2019 07 29    16 06 02.4 -13 59 13   0.2053  1.1227   116.7    53.9    21.8
    2019 07 30    16 09 25.7 -14 38 05   0.2039  1.1217   116.7    54.0    21.8
    2019 07 31    16 12 57.7 -15 17 34   0.2025  1.1209   116.7    54.0    21.8
    ...
    2019 08 06    16 37 21.8 -19 24 33   0.1957  1.1183   117.5    53.6    21.7
    ...
    2019 08 14    17 18 51.5 -24 57 25   0.1917  1.1213   120.0    51.5    21.6
    ...
    2019 08 29    18 58 31.5 -32 21 32   0.2069  1.1461   126.8    44.9    21.6
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-O121
    


    Read MPEC 2019-O120 Read MPEC 2019-O122


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)