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  • MPEC 2012-Q71 : 2012 QF42

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    M.P.E.C. 2012-Q71                                Issued 2012 Aug. 28, 20:00 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 QF42
    
    Observations:
         K12Q42F* C2012 08 26.27016 23 40 15.39 -03 56 13.4          20.1 VoEQ071691
         K12Q42F  C2012 08 26.29151 23 40 19.58 -03 56 22.4          20.0 VoEQ071691
         K12Q42F  C2012 08 26.30940 23 40 22.94 -03 56 29.8          19.8 VoEQ071691
         K12Q42F HC2012 08 26.38351 23 40 36.81 -03 57 01.2          19.1 RoEQ071291
         K12Q42F HC2012 08 26.38427 23 40 36.96 -03 57 01.7          19.1 RoEQ071291
         K12Q42F HC2012 08 26.38502 23 40 37.10 -03 57 01.8          19.1 RoEQ071291
         K12Q42F KC2012 08 26.38726923 40 36.77 -03 57 07.3          18.8 VvEQ071H21
         K12Q42F KC2012 08 26.39015923 40 37.32 -03 57 07.7          19.1 VvEQ071H21
         K12Q42F KC2012 08 26.39305623 40 37.87 -03 57 09.1          19.6 VvEQ071H21
         K12Q42F KC2012 08 26.39580323 40 38.40 -03 57 10.3          19.3 VvEQ071H21
         K12Q42F KC2012 08 26.39869623 40 38.98 -03 57 11.4          19.4 VvEQ071H21
         K12Q42F KC2012 08 26.40249723 40 39.70 -03 57 12.7          19.5 VvEQ071H21
         K12Q42F KC2012 08 26.40630123 40 40.45 -03 57 14.5          19.6 VvEQ071H21
         K12Q42F KC2012 08 26.40995523 40 41.14 -03 57 15.9          19.2 VvEQ071H21
         K12Q42F KC2012 08 27.04802 23 42 53.00 -04 01 56.9          19.6 VvEQ071I93
         K12Q42F KC2012 08 27.05923 23 42 55.20 -04 02 01.4          19.3 VvEQ071I93
         K12Q42F KC2012 08 27.07079 23 42 57.46 -04 02 06.1          19.1 VvEQ071I93
         K12Q42F KC2012 08 27.33318 23 43 52.30 -04 04 01.7          19.4 RuEQ071H36
         K12Q42F KC2012 08 27.33638 23 43 52.93 -04 04 03.2          19.0 RuEQ071H36
         K12Q42F KC2012 08 27.33876 23 43 53.39 -04 04 04.4          19.2 RuEQ071H36
         K12Q42F KC2012 08 27.93800 23 46 02.26 -04 08 46.6                uEQ071595
         K12Q42F KC2012 08 27.94818 23 46 04.36 -04 08 51.4          19.2 VuEQ071595
         K12Q42F KC2012 08 28.01243 23 46 17.51 -04 09 21.3          19.1 RuEQ071160
         K12Q42F KC2012 08 28.01586 23 46 18.17 -04 09 23.2          18.9 RuEQ071160
         K12Q42F KC2012 08 28.01930 23 46 18.89 -04 09 24.4          19.2 RuEQ071160
         K12Q42F IC2012 08 28.06648 23 46 28.62 -04 09 48.8          19.4 RtEQ071204
         K12Q42F KC2012 08 28.07831 23 46 31.06 -04 09 54.2                tEQ071204
         K12Q42F KC2012 08 28.08629 23 46 32.70 -04 09 57.9                tEQ071204
         K12Q42F KC2012 08 28.08842 23 46 32.98 -04 10 00.3                uEQ071118
         K12Q42F KC2012 08 28.09465 23 46 34.25 -04 10 02.8                uEQ071118
         K12Q42F KC2012 08 28.09997 23 46 35.38 -04 10 05.5                uEQ071118
         K12Q42F KC2012 08 28.24830 23 47 09.68 -04 11 12.7          18.5 RuEQ071H36
         K12Q42F KC2012 08 28.25307 23 47 10.64 -04 11 15.2          19.1 RuEQ071H36
         K12Q42F KC2012 08 28.26739 23 47 13.58 -04 11 22.0          18.9 RuEQ071H36
         K12Q42F KC2012 08 28.27540 23 47 14.94 -04 11 26.6          19.5 VuEQ071H21
         K12Q42F KC2012 08 28.27945 23 47 15.78 -04 11 28.4          19.6 VuEQ071H21
         K12Q42F HC2012 08 28.31276 23 47 23.54 -04 11 40.4          19.2 RoEQ071291
         K12Q42F HC2012 08 28.31345 23 47 23.75 -04 11 40.5          18.9 RoEQ071291
         K12Q42F HC2012 08 28.31413 23 47 23.85 -04 11 40.9          18.9 RoEQ071291
    
    Observer details:
    118 Modra.  Observer S. Gajdos.  0.6-m f/5.5 reflector + CCD.
    160 Castelmartini.  Observers E. Prosperi, S. Prosperi.  Measurer E. Prosperi.
        0.35-m f/10 Schmidt-Cassegrain + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    595 Farra d'Isonzo.  Observers E. Pettarin, M. Vivona.  Measurer E. Pettarin.
        0.40-m f/4.5 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer T. H. Bressi.  0.9-m f/3
        reflector + 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.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/5.0 reflector + CCD.
    
    Orbital elements:
    2012 QF42                                                Earth MOID = 0.0879 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M 355.48687              (2000.0)            P               Q
    n   0.26479123     Peri.  236.67036     +0.86226970     -0.50489868
    a   2.4017823      Node   153.58986     +0.48920886     +0.81013727
    e   0.5629120      Incl.    5.10802     +0.13101774     +0.29791765
    P   3.72           H   21.4           G   0.15           U   8
    Residuals in seconds of arc
    120826 691  1.7-  0.2-    120826 H21  0.4+  0.1+    120828 204  0.4-  0.2-
    120826 691  0.7+  0.1-    120827 I93  0.4-  0.6-    120828 204  0.5-  0.1-
    120826 691  0.6+  0.2+    120827 I93  0.3-  0.1-    120828 118  0.3+  0.5-
    120826 291  0.0   0.2+    120827 I93  0.3-  0.4+    120828 118  0.0   0.0
    120826 291  0.1+  0.0     120827 H36  0.2-  0.3+    120828 118  0.4+  0.2-
    120826 291  0.1+  0.2+    120827 H36  0.2-  0.2+    120828 H36  0.6+  0.1-
    120826 H21  0.0   0.7-    120827 H36  0.3-  0.1+    120828 H36  0.2+  0.2-
    120826 H21  0.1-  0.1+    120827 595  1.5+  0.1+    120828 H36  0.1-  0.0
    120826 H21  0.1-  0.1-    120827 595  1.6+  0.2+    120828 H21  0.3-  0.2-
    120826 H21  0.1-  0.2-    120828 160  0.0   0.2+    120828 H21  0.2-  0.0
    120826 H21  0.3+  0.1-    120828 160  0.6-  0.0     120828 291  0.6-  0.0
    120826 H21  0.2+  0.2+    120828 160  0.3-  0.4+    120828 291  0.4+  0.3+
    120826 H21  0.5+  0.0     120828 204  0.5-  0.5-    120828 291  0.2-  0.2+
    
    Ephemeris:
    2012 QF42                a,e,i = 2.40, 0.56, 5                   q = 1.0498
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 07 29    22 39 29.1 -03 28 02   0.4588  1.4182   145.7    23.8    21.6
    ...
    2012 08 13    23 05 36.9 -03 06 12   0.3244  1.3126   154.1    19.7    20.5
    ...
    2012 08 21    23 24 25.6 -03 26 20   0.2640  1.2599   157.7    17.7    19.9
    ...
    2012 08 27    23 42 42.8 -04 01 05   0.2242  1.2227   159.4    16.9    19.5
    2012 08 28    23 46 14.5 -04 08 45   0.2180  1.2168   159.6    16.8    19.4
    2012 08 29    23 49 55.9 -04 17 00   0.2119  1.2109   159.7    16.8    19.3
    ...
    2012 09 04    00 16 03.5 -05 19 16   0.1786  1.1770   159.1    17.8    18.9
    ...
    2012 09 12    01 04 48.2 -07 16 35   0.1429  1.1367   154.1    22.8    18.5
    ...
    2012 09 27    03 25 52.9 -10 51 53   0.1127  1.0795   130.9    44.5    18.5
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-Q71
    

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