• MPC Preparation (Info)

  • MPEC 2019-O41 : 2013 AP27

    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-O40 Read MPEC 2019-O42


    M.P.E.C. 2019-O41                                Issued 2019 July 20, 18:23 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
    
                                    2013 AP27                                
    
                               Revision to MPEC 2013-A39                            
    
    Additional Observations:
         K13A27P  C2019 06 28.45619119 29 16.721-27 00 55.46         22.29GVEO041T12
         K13A27P  C2019 06 28.45799919 29 16.591-27 00 55.31         22.53GVEO041T12
         K13A27P KC2019 07 02.41562619 24 23.490-26 57 16.49         22.64GVEO041T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. Hung.  
        Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    190628 T12 29.4-  8.9-    190702 T12 30.0-  8.8-    MPO473265   -0.02 days
    
    Orbital elements:
    2013 AP27                                                Earth MOID = 0.3349 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 284.11167              (2000.0)            P               Q
    n   0.26674893     Peri.   97.45266     +0.77329474     -0.61654360
    a   2.3900166      Node   300.73270     +0.49236771     +0.73094279
    e   0.4699205      Incl.    9.91127     +0.39948628     +0.29256899
    P   3.69           H   19.3           G   0.15           U   1
    Residuals in seconds of arc
    121018 F51  0.1-  0.1-    130106 291  0.1+  0.2+    130119 711  0.5-  0.2+
    121018 F51  0.0   0.1+    130106 291  0.0   0.1+    130119 711  0.8+  0.4+
    121018 F51  0.0   0.0     130107 291  0.2+  0.4+    130119 711  0.9+  0.1+
    121102 F51  0.1+  0.1-    130107 291  0.8+  0.4+    130121 F51  0.2+  0.1-
    130105 G96  0.6-  0.0     130107 291  0.2+  0.2-    130121 F51  0.1+  0.1-
    130105 G96  0.1+  0.3-    130108 291  0.2+  0.5+    130202 291  0.2-  0.1+
    130105 G96  0.0   0.1-    130108 291  0.7+  0.9+    130202 291 (1.7-  0.6+)
    130106 H01  0.1-  0.2-    130108 291  0.9-  0.2+    130203 568  0.1-  0.0
    130106 H01  0.1-  0.2-    130110 691  0.7-  0.0     130203 568  0.0   0.0
    130106 H01  0.1-  0.0     130110 691  0.3-  0.0     130210 F51  0.1+  0.1+
    130106 H01  0.1+  0.1+    130110 691  0.0   0.1-    130210 F51  0.1+  0.1-
    130106 691  0.6-  0.1+    130116 F51  0.1+  0.1-    130210 F51  0.1+  0.1+
    130106 691  0.3-  0.2+    130116 F51  0.1+  0.1-    190628 T12  0.0   0.0
    130106 691  0.2-  0.3+    130116 F51  0.1+  0.0     190628 T12  0.0   0.1+
    130106 291  0.2+  0.2+    130116 F51  0.1+  0.1-    190702 T12  0.0   0.0
    
    Ephemeris:
    2013 AP27                a,e,i = 2.39, 0.47, 10                  q = 1.2669
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2019 06 20    19 38 12.0 -27 04 49   1.3950  2.3587   155.7    10.2    22.5
    ...
    2019 07 05    19 21 00.0 -26 53 59   1.2658  2.2780   172.7     3.3    21.9
    ...
    2019 07 13    19 09 49.1 -26 39 10   1.2206  2.2340   173.9     2.8    21.8
    ...
    2019 07 19    19 01 08.5 -26 22 38   1.1977  2.2006   167.3     5.8    21.9
    2019 07 20    18 59 42.1 -26 19 24   1.1948  2.1950   166.2     6.4    21.9
    2019 07 21    18 58 16.1 -26 16 03   1.1922  2.1894   164.9     6.9    21.9
    ...
    2019 07 27    18 49 55.1 -25 53 18   1.1815  2.1555   157.6    10.3    22.0
    ...
    2019 08 04    18 39 56.3 -25 16 47   1.1804  2.1099   147.9    14.8    22.1
    ...
    2019 08 19    18 27 06.2 -23 57 02   1.2118  2.0231   130.7    22.3    22.3
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-O41
    


    Read MPEC 2019-O40 Read MPEC 2019-O42


    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)