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  • MPEC 2011-O13 : 2011 OA

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    M.P.E.C. 2011-O13                                Issued 2011 July 21, 00:03 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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
    
                                        2011 OA
    
    Observations:
         K11O00A* C2011 07 19.34138 22 29 53.31 +38 30 50.6          17.5  cEO013704
         K11O00A  C2011 07 19.35229 22 29 59.72 +38 32 10.4          17.8  cEO013704
         K11O00A  C2011 07 19.36333 22 30 06.18 +38 33 31.2          18.5  cEO013704
         K11O00A KC2011 07 19.92326 22 36 02.58 +39 37 22.7          17.3 RcEO013B49
         K11O00A KC2011 07 19.93364 22 36 08.90 +39 38 36.1          18.4 RcEO013B49
         K11O00A  C2011 07 20.28247 22 39 42.70 +40 16 36.9          18.2  rEO013718
         K11O00A  C2011 07 20.29030 22 39 47.19 +40 17 28.9          18.0  rEO013718
         K11O00A  C2011 07 20.29768 22 39 51.47 +40 18 17.8          18.1  rEO013718
         K11O00A  C2011 07 20.30459 22 39 55.44 +40 19 03.5          18.0  rEO013718
         K11O00A %C2011 07 20.36483 22 40 35.34 +40 25 36.8          17.8 RoEO013F65
         K11O00A %C2011 07 20.36544 22 40 35.65 +40 25 40.6          17.4 RoEO013F65
         K11O00A %C2011 07 20.36603 22 40 36.02 +40 25 44.9          17.7 RoEO013F65
         K11O00A %C2011 07 20.36667 22 40 36.38 +40 25 48.8          17.9 RoEO013F65
         K11O00A %C2011 07 20.36733 22 40 36.77 +40 25 53.3          17.8 RoEO013F65
         K11O00A %C2011 07 20.36792 22 40 37.12 +40 25 57.4          17.9 RoEO013F65
         K11O00A %C2011 07 20.36857 22 40 37.53 +40 26 02.0          17.6 RoEO013F65
         K11O00A %C2011 07 20.36919 22 40 37.87 +40 26 06.0          17.8 RoEO013F65
         K11O00A %C2011 07 20.36979 22 40 38.23 +40 26 09.8          18.0 RoEO013F65
         K11O00A |C2011 07 20.38177 22 40 38.63 +40 27 41.4          17.8 RcEO013H06
         K11O00A |C2011 07 20.38362 22 40 39.65 +40 27 53.1          17.8 RcEO013H06
         K11O00A |C2011 07 20.38547 22 40 40.67 +40 28 05.0          17.7 RcEO013H06
         K11O00A KC2011 07 20.89763 22 45 52.74 +41 18 53.7                vEO013204
         K11O00A KC2011 07 20.90057 22 45 54.45 +41 19 11.6                vEO013204
         K11O00A KC2011 07 20.90158 22 45 54.78 +41 19 22.2          17.8 VuEO013595
         K11O00A KC2011 07 20.90351 22 45 56.15 +41 19 29.7          17.6 RvEO013204
         K11O00A KC2011 07 20.90645 22 45 57.83 +41 19 47.9                vEO013204
         K11O00A KC2011 07 20.90772 22 45 58.30 +41 19 59.2          18.0 VuEO013595
         K11O00A KC2011 07 20.90998 22 45 59.89 +41 20 09.3                vEO013204
         K11O00A KC2011 07 20.91780 22 46 04.09 +41 21 01.0                uEO013595
         K11O00A KC2011 07 20.93804 22 46 15.81 +41 22 46.5                uEO013J95
         K11O00A KC2011 07 20.94082 22 46 17.42 +41 23 03.3                uEO013J95
         K11O00A KC2011 07 20.94370 22 46 19.06 +41 23 20.7          17.7 RuEO013J95
         K11O00A KC2011 07 20.99161 22 46 45.97 +41 28 26.3          17.7 RcEO013A24
         K11O00A KC2011 07 20.99259 22 46 46.53 +41 28 32.3          17.8 RcEO013A24
         K11O00A KC2011 07 20.99358 22 46 47.05 +41 28 37.8          17.8 RcEO013A24
         K11O00A KC2011 07 20.99456 22 46 47.62 +41 28 43.9          17.8 RcEO013A24
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    595 Farra d'Isonzo.  Observers L. Bittesini, E. Pettarin, F. Piani.  Measurer
        E. Pettarin.  0.40-m f/4.5 reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
        R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia.  1.0-m f/2.15
        reflector + CCD.
    718 Wiggins Observatory, Tooele.  Observer P. Wiggins.  0.35-m f/5.5
        Schmidt-Cassegrain + CCD.
    A24 New Millennium Observatory, Mozzate.  Observer E. Cozzi.  0.36-m f/7.6
        Schmidt-Cassegrain + CCD.
    B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 Newtonian
        reflector + CCD.
    F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
        Ritchey-Chretien + CCD.
    H06 RAS Observatory, Mayhill.  Observer H. Sato.  0.51-m f/4.5 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2011 OA                                             PHA, Earth MOID = 0.0491 AU
    Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
    M   9.22468              (2000.0)            P               Q
    n   0.30944400     Peri.   28.13205     +0.62505069     +0.76477379
    a   2.1647845      Node   280.98864     -0.74271575     +0.52106801
    e   0.5202385      Incl.    9.16215     -0.24017693     +0.37895801
    P   3.19           H   21.0           G   0.15           U   8
    Residuals in seconds of arc
    110719 704  1.1+  0.0     110720 F65  0.8+  0.5-    110720 204  0.9+  0.6-
    110719 704  0.9+  0.4-    110720 F65  0.8+  0.4-    110720 204  0.7+  0.5-
    110719 704  0.7+  0.3-    110720 F65  0.9+  0.3-    110720 595  0.5+  0.7-
    110719 B49  1.1+  0.1-    110720 F65  1.2+  0.0     110720 204  1.1+  0.8-
    110719 B49  2.0+  0.8+    110720 F65  1.0+  0.2-    110720 595  0.9+  0.7-
    110720 718  1.5+  0.6-    110720 F65  1.1+  0.4-    110720 J95  1.0+  0.1-
    110720 718  0.8+  0.6-    110720 H06  1.2+  0.1-    110720 J95  1.1+  0.2-
    110720 718  1.0+  0.5-    110720 H06  1.1+  0.2-    110720 J95  0.9+  0.3-
    110720 718  0.8+  0.4-    110720 H06  1.0+  0.0     110720 A24  1.1+  0.2+
    110720 F65  1.2+  0.2-    110720 204  0.7+  0.3-    110720 A24  1.3+  0.3+
    110720 F65  0.6+  0.5-    110720 204  0.9+  0.6-    110720 A24  1.0+  0.1-
    110720 F65  0.9+  0.1-    110720 595  0.5+  0.0     110720 A24  1.3+  0.2+
    
    Ephemeris:
    2011 OA                  a,e,i = 2.16, 0.52, 9                   q = 1.0386
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 06 21    17 46 01.1 -41 55 55   0.1198  1.1304   161.4    16.7    17.5
    ...
    2011 07 06    19 46 37.1 -11 39 19   0.05816 1.0728   164.0    15.1    15.8
    ...
    2011 07 14    21 27 09.6 +23 24 56   0.05889 1.0528   126.7    50.7    16.8
    ...
    2011 07 20    22 36 42.7 +39 46 24   0.07674 1.0433   108.7    67.3    17.9
    2011 07 21    22 46 46.2 +41 29 28   0.08047 1.0423   106.8    69.0    18.0
    2011 07 22    22 56 20.4 +42 59 41   0.08433 1.0413   105.2    70.4    18.2
    ...
    2011 07 28    23 43 52.0 +48 49 39   0.1091  1.0386    99.2    74.9    18.9
    ...
    2011 08 05    00 25 51.7 +52 06 05   0.1437  1.0429    97.4    74.7    19.5
    ...
    2011 08 20    01 05 53.7 +53 34 17   0.2055  1.0747   102.3    66.9    20.1
    
    A. U. Tomatic                (C) Copyright 2011 MPC           M.P.E.C. 2011-O13
    

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