• MPC Preparation (Info)

  • MPEC 2012-Q19 : 2012 QJ2

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    M.P.E.C. 2012-Q19                                Issued 2012 Aug. 18, 17:30 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
    
                                       2012 QJ2
    
    Observations:
         K12Q02J* C2012 08 16.46382 23 11 55.881+50 31 05.77         21.0 gLEQ019F51
         K12Q02J  C2012 08 16.47487 23 11 57.737+50 30 49.65         20.8 gLEQ019F51
         K12Q02J  C2012 08 16.49670 23 12 01.433+50 30 17.82         20.4 rLEQ019F51
         K12Q02J KC2012 08 17.35464 23 14 37.56 +50 08 22.1          20.1 RuEQ019H36
         K12Q02J KC2012 08 17.36683 23 14 39.58 +50 08 01.9          20.1 RuEQ019H36
         K12Q02J KC2012 08 17.99227 23 16 34.48 +49 51 07.4          20.1 RuEQ019104
         K12Q02J KC2012 08 17.99373 23 16 35.00 +49 51 00.9                uEQ019J95
         K12Q02J KC2012 08 17.99932 23 16 35.73 +49 50 55.6          19.7 RuEQ019104
         K12Q02J KC2012 08 17.99937 23 16 35.97 +49 50 51.3                uEQ019J95
         K12Q02J KC2012 08 18.00502 23 16 36.95 +49 50 42.2          19.6 RuEQ019J95
         K12Q02J KC2012 08 18.00637 23 16 36.89 +49 50 43.5          19.7 RuEQ019104
         K12Q02J IC2012 08 18.14510623 17 03.50 +49 46 47.5                tEQ019H21
         K12Q02J KC2012 08 18.15049923 17 04.41 +49 46 39.0          20.6 VtEQ019H21
         K12Q02J KC2012 08 18.15586523 17 05.36 +49 46 30.4          20.6 VtEQ019H21
         K12Q02J KC2012 08 18.16122023 17 06.30 +49 46 21.9          20.4 VtEQ019H21
    
    Observer details:
    104 San Marcello Pistoiese.  Observer P. Bacci.  Measurers P. Bacci, L. Tesi,
        G. Fagioli.  0.60-m f/4 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
        Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Vorobjov, L. Buzzi, S. Foglia.  0.61-m f/4.0 astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
    2012 QJ2                                                 Earth MOID = 0.2457 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M  13.14298              (2000.0)            P               Q
    n   0.32731489     Peri.  152.12031     +0.89995299     +0.43558761
    a   2.0852536      Node   182.31379     -0.43337779     +0.89842224
    e   0.4158347      Incl.   27.52254     +0.04762674     -0.05568578
    P   3.01           H   20.3           G   0.15           U   8
    Residuals in seconds of arc
    120816 F51  0.0   0.0     120817 104  0.1-  0.5+    120818 104  0.2-  0.2-
    120816 F51  0.1-  0.1-    120817 J95  0.1+  0.1+    120818 H21  0.1+  0.0
    120816 F51  0.1+  0.1+    120817 104  0.3+  0.3+    120818 H21  0.2-  0.1+
    120817 H36  0.2+  0.6+    120817 J95  0.0   0.3-    120818 H21  0.2-  0.2+
    120817 H36  0.4-  0.2-    120818 J95  0.0   0.1-    120818 H21  0.2-  0.3+
    
    Ephemeris:
    2012 QJ2                 a,e,i = 2.09, 0.42, 28                  q = 1.2181
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 07 19    21 52 23.9 +52 38 00   0.5631  1.2614   102.2    52.0    21.5
    ...
    2012 08 03    22 31 57.0 +53 29 19   0.4726  1.2312   105.9    52.4    21.1
    ...
    2012 08 11    22 55 23.6 +52 17 06   0.4228  1.2221   109.6    51.4    20.8
    ...
    2012 08 17    23 13 33.0 +50 17 30   0.3858  1.2187   113.5    49.6    20.5
    2012 08 18    23 16 35.3 +49 50 53   0.3797  1.2185   114.3    49.2    20.5
    2012 08 19    23 19 37.5 +49 22 08   0.3736  1.2183   115.1    48.8    20.4
    ...
    2012 08 25    23 37 38.5 +45 39 57   0.3386  1.2188   120.7    45.5    20.1
    ...
    2012 09 02    00 00 23.2 +38 06 04   0.2977  1.2242   130.8    38.6    19.7
    ...
    2012 09 17    00 34 56.7 +14 57 06   0.2580  1.2480   157.9    17.6    18.8
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-Q19
    

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