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  • MPEC 2012-Q72 : 2012 QG42

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    M.P.E.C. 2012-Q72                                Issued 2012 Aug. 28, 20:02 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 http://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2012 QG42
    
    Observations:
         K12Q42G* C2012 08 26.35807 23 59 58.74 -10 53 56.0          16.8 VrEQ072703
         K12Q42G  C2012 08 26.36551 23 59 57.91 -10 53 52.0          16.8 VrEQ072703
         K12Q42G  C2012 08 26.37307 23 59 57.08 -10 53 47.6          16.8 VrEQ072703
         K12Q42G  C2012 08 26.38057 23 59 56.25 -10 53 43.4          16.8 VrEQ072703
         K12Q42G  C2012 08 26.40023 23 59 54.06 -10 53 32.2          16.9 VrEQ072703
         K12Q42G  C2012 08 26.40674 23 59 53.30 -10 53 28.7          16.9 VrEQ072703
         K12Q42G  C2012 08 26.41317 23 59 52.62 -10 53 25.1          16.8 VrEQ072703
         K12Q42G  C2012 08 26.41966 23 59 51.90 -10 53 20.9          16.7 VrEQ072703
         K12Q42G  C2012 08 26.44174 23 59 49.52 -10 53 07.5          16.7 VrEQ072703
         K12Q42G  C2012 08 26.44358 23 59 49.34 -10 53 06.6          16.6 VrEQ072703
         K12Q42G  C2012 08 26.44540 23 59 49.09 -10 53 05.5          16.8 VrEQ072703
         K12Q42G  C2012 08 26.44724 23 59 48.91 -10 53 04.4          16.7 VrEQ072703
         K12Q42G |C2012 08 26.45905 23 59 47.32 -10 52 56.5          16.9 VcEQ072H06
         K12Q42G |C2012 08 26.46112 23 59 47.11 -10 52 55.4          16.8 VcEQ072H06
         K12Q42G |C2012 08 26.46319 23 59 46.89 -10 52 54.1          16.8 VcEQ072H06
         K12Q42G |C2012 08 26.46526 23 59 46.65 -10 52 52.9          16.7 VcEQ072H06
         K12Q42G  C2012 08 26.60100 23 59 39.41 -10 51 37.6          17.1 VuEQ072900
         K12Q42G  C2012 08 26.60813 23 59 38.64 -10 51 33.7          17.1 VuEQ072900
         K12Q42G  C2012 08 26.61527 23 59 37.86 -10 51 29.8          17.2 VuEQ072900
         K12Q42G  C2012 08 26.63211 23 59 34.98 -10 50 02.9          16.7 VoEQ072E23
         K12Q42G  C2012 08 26.63762 23 59 34.36 -10 49 59.7          16.7 VoEQ072E23
         K12Q42G  C2012 08 26.64190 23 59 33.87 -10 49 57.4          16.7 VoEQ072E23
         K12Q42G  C2012 08 26.66445 23 59 32.55 -10 51 02.0          17.0 RoEQ072300
         K12Q42G  C2012 08 26.68300 23 59 30.42 -10 50 51.1          17.1 RoEQ072300
         K12Q42G  C2012 08 26.70152 23 59 28.27 -10 50 40.0          17.1 RoEQ072300
         K12Q42G  C2012 08 26.71017 23 59 27.33 -10 50 35.3          17.2 RoEQ072300
         K12Q42G KC2012 08 26.93908 23 59 09.11 -10 48 24.2          17.3 VoEQ072C77
         K12Q42G KC2012 08 26.95144 23 59 07.73 -10 48 17.2          17.5 VoEQ072C77
         K12Q42G  C2012 08 26.96178 23 59 06.30 -10 48 09.3          17.5 RvEQ072470
         K12Q42G KC2012 08 26.96434 23 59 06.30 -10 48 09.7          17.7 VoEQ072C77
         K12Q42G  C2012 08 26.96611 23 59 05.75 -10 48 06.4          17.3 RvEQ072470
         K12Q42G  C2012 08 26.96827 23 59 05.55 -10 48 05.6          17.3 RvEQ072470
         K12Q42G  C2012 08 26.97043 23 59 05.26 -10 48 04.1          17.3 RvEQ072470
         K12Q42G  C2012 08 26.97260 23 59 05.03 -10 48 03.0          17.2 RvEQ072470
         K12Q42G KC2012 08 26.97778 23 59 04.75 -10 48 01.7          17.5 VoEQ072C77
         K12Q42G  C2012 08 27.00551 23 59 01.57 -10 47 50.1          16.2 RuEQ072C23
         K12Q42G  C2012 08 27.01117 23 59 00.98 -10 47 47.6          16.4 RuEQ072C23
         K12Q42G  C2012 08 27.01427 23 59 01.04 -10 47 38.3          17.3 RtEQ072C27
         K12Q42G  C2012 08 27.02250 23 58 59.73 -10 47 41.4          17.0 RuEQ072C23
         K12Q42G  C2012 08 27.02533 23 58 59.39 -10 47 39.0          16.9 RuEQ072C23
         K12Q42G  C2012 08 27.02926 23 58 59.27 -10 47 29.2          17.1 RtEQ072C27
         K12Q42G  C2012 08 27.03943 23 58 58.07 -10 47 23.6          16.7 RtEQ072C27
         K12Q42G  C2012 08 27.04941 23 58 57.23 -10 47 14.7          16.6 RtEQ072I89
         K12Q42G  C2012 08 27.05605 23 58 56.42 -10 47 10.7          17.0 RtEQ072I89
         K12Q42G KC2012 08 27.06195 23 58 58.94 -10 45 37.3          17.1 VvEQ072I39
         K12Q42G  C2012 08 27.06273 23 58 55.64 -10 47 06.5          17.0 RtEQ072I89
         K12Q42G  C2012 08 27.06948 23 58 54.82 -10 47 02.4          17.0 RtEQ072I89
         K12Q42G KC2012 08 27.06966 23 58 58.12 -10 45 32.4          17.1 VvEQ072I39
         K12Q42G KC2012 08 27.08342 23 58 56.63 -10 45 25.4          17.3 VvEQ072I39
         K12Q42G  C2012 08 27.11384 23 58 49.33 -10 46 43.4          16.5 RuEQ072C23
         K12Q42G  C2012 08 27.11737 23 58 48.90 -10 46 41.3          16.5 RuEQ072C23
         K12Q42G  C2012 08 27.33543 23 58 30.21 -10 44 18.5          16.7  rEQ072718
         K12Q42G  C2012 08 27.34003 23 58 29.66 -10 44 15.3          16.7  rEQ072718
         K12Q42G KC2012 08 27.34401 23 58 27.36 -10 44 08.6          16.3 RrEQ072850
         K12Q42G  C2012 08 27.34423 23 58 29.15 -10 44 13.1          16.7  rEQ072718
         K12Q42G  C2012 08 27.34844 23 58 28.64 -10 44 10.0          16.7  rEQ072718
         K12Q42G KC2012 08 27.35448 23 58 26.08 -10 44 01.6          16.3 RrEQ072850
         K12Q42G KC2012 08 27.36646 23 58 24.61 -10 43 53.6          16.3 RrEQ072850
         K12Q42G KC2012 08 27.37767 23 58 23.24 -10 43 46.1          16.3 RrEQ072850
         K12Q42G KC2012 08 27.38889 23 58 21.88 -10 43 38.7          16.3 RrEQ072850
         K12Q42G QC2012 08 27.52511623 58 13.468-10 40 49.83         16.6 VrEQ072E12
         K12Q42G QC2012 08 27.52547723 58 13.421-10 40 49.63         16.6 VrEQ072E12
         K12Q42G QC2012 08 27.52583623 58 13.383-10 40 49.42         16.4 VrEQ072E12
         K12Q42G KC2012 08 27.90642 23 57 33.40 -10 38 06.5          17.7 VuEQ072595
         K12Q42G KC2012 08 27.91662 23 57 32.13 -10 38 00.3          17.7 VuEQ072595
         K12Q42G  C2012 08 27.96428 23 57 25.88 -10 37 31.2          17.8 VuEQ072C47
         K12Q42G  C2012 08 27.97433 23 57 24.64 -10 37 24.4          17.3 VuEQ072C47
         K12Q42G  C2012 08 27.98294 23 57 23.54 -10 37 18.7          17.8 VuEQ072C47
         K12Q42G  C2012 08 27.99011 23 57 22.60 -10 37 14.0          17.7 VuEQ072C47
         K12Q42G  C2012 08 27.99944 23 57 21.40 -10 37 07.5          17.5 VuEQ072C47
         K12Q42G KC2012 08 28.04318 23 57 15.98 -10 36 34.1          17.4 RuEQ072160
         K12Q42G KC2012 08 28.04663 23 57 15.51 -10 36 31.7          17.3 RuEQ072160
         K12Q42G KC2012 08 28.05004 23 57 15.06 -10 36 29.2          17.1 RuEQ072160
         K12Q42G  C2012 08 28.13660 23 57 05.14 -10 35 14.1                tEQ072954
         K12Q42G  C2012 08 28.15714 23 57 02.35 -10 35 00.3          16.3 VtEQ072954
         K12Q42G  C2012 08 28.17793 23 56 59.47 -10 34 45.2          16.1 VtEQ072954
         K12Q42G KC2012 08 28.28350 23 56 50.24 -10 33 42.5          16.9 VuEQ072H21
         K12Q42G KC2012 08 28.28559 23 56 49.96 -10 33 41.0          16.9 VuEQ072H21
         K12Q42G KC2012 08 28.28768 23 56 49.67 -10 33 39.7          16.9 VuEQ072H21
         K12Q42G KC2012 08 28.28978 23 56 49.37 -10 33 38.2          16.9 VuEQ072H21
         K12Q42G KC2012 08 28.29187 23 56 49.09 -10 33 36.6          16.9 VuEQ072H21
         K12Q42G KC2012 08 28.31449 23 56 45.77 -10 33 16.5          16.7 RrEQ072850
         K12Q42G KC2012 08 28.32947 23 56 43.69 -10 33 05.8          16.3 RrEQ072850
         K12Q42G KC2012 08 28.34445 23 56 41.60 -10 32 54.8          16.4 RrEQ072850
         K12Q42G  C2012 08 28.34729 23 56 41.94 -10 32 56.5          16.4 RuEQ072H36
         K12Q42G  C2012 08 28.34809 23 56 41.83 -10 32 55.9          16.4 RuEQ072H36
         K12Q42G  C2012 08 28.34888 23 56 41.72 -10 32 55.3          16.4 RuEQ072H36
         K12Q42G  C2012 08 28.34968 23 56 41.61 -10 32 54.7          16.4 RuEQ072H36
         K12Q42G AC2012 08 28.37328 23 56 38.91 -10 32 32.6          16.4  tEQ072H06
         K12Q42G AC2012 08 28.37426 23 56 38.81 -10 32 31.5          16.5  tEQ072H06
         K12Q42G AC2012 08 28.47106 23 56 25.19 -10 31 18.8          16.4  tEQ072H06
         K12Q42G AC2012 08 28.47219 23 56 25.02 -10 31 17.1          16.8  tEQ072H06
         K12Q42G AC2012 08 28.47329 23 56 24.89 -10 31 16.6          16.5  tEQ072H06
    
    Observer details:
    160 Castelmartini.  Observers E. Prosperi, S. Prosperi.  Measurer E. Prosperi.
        0.35-m f/10 Schmidt-Cassegrain + CCD.
    300 Bisei Spaceguard Center--BATTeRS.  Observers S. Urakawa, N. Hashimoto,
        K. Nishiyama.  1.0-m f/3.0 reflector + CCD.
    470 Ceccano.  Observers G. Masi, F. Nocentini.  Measurers G. Masi, U. Masi,
        F. Nocentini.  0.43-m f/6.8 reflector + CCD.
    595 Farra d'Isonzo.  Observers E. Pettarin, M. Vivona.  Measurer E. Pettarin.
        0.40-m f/4.5 reflector + CCD.
    703 Catalina Sky Survey.  Observer J. A. Johnson.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
        S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
    718 Wiggins Observatory, Tooele.  Observer P. Wiggins.  0.35-m f/5.5
        Schmidt-Cassegrain + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.30-m f/2.5
        Schmidt-Cassegrain + 765x510 CCD.
    900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
    954 Teide Observatory.  Observer N. E. Pritchett.  0.35-m f/11
        Schmidt-Cassegrain + CCD.
    C23 Olmen.  Observer A. Diepvens.  0.20-m f/9 refractor + CCD.
    C27 Pallerols.  Observer A. Jorba.  0.25-m f/4.8 reflector + CCD.
    C47 Nonndorf.  Observer G. Dangl.  0.25-m f/4.8 reflector + CCD.
    C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4 reflector + CCD.
    E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
    E23 Arcadia.  Observer A. Hidas.  0.35-m Schmidt-Cassegrain + CCD.
    H06 RAS Observatory, Mayhill.  Observers H. Sato, M. Urbanik.  0.25-m f/3.4
        astrograph + CCD, 0.25-m f/3.4 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, S. Foglia, T. Vorobjov.  0.61-m f/4.0 astrograph + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I39 Observatorio Cruz del Sur, San Justo.  Observer A. Chapman.  0.20-m f/4
        reflector + CCD.
    I89 RAS Observatory, Nerpio.  Observer E. Bryssinck.  0.43-m f/6.8 reflector
        + CCD.
    
    Orbital elements:
    2012 QG42                                           PHA, Earth MOID = 0.0137 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M 308.63651              (2000.0)            P               Q
    n   0.94803187     Peri.  116.11577     -0.19301091     -0.98070755
    a   1.0262522      Node   344.91579     +0.85236094     -0.15194632
    e   0.3761938      Incl.    6.83603     +0.48603252     -0.12298384
    P   1.04           H   20.3           G   0.15           U   8
    Residuals in seconds of arc
    120826 703  0.4+  0.0     120826 470  0.3-  0.3+    120827 E12  0.0   0.1-
    120826 703  0.3+  0.1-    120826 470  0.9-  0.5+    120827 595  0.3+  0.0
    120826 703  0.3+  0.0     120826 470  0.6-  0.4+    120827 595  0.2+  0.3-
    120826 703  0.2+  0.0     120826 C77  0.2-  0.4+    120827 C47  0.7-  0.1+
    120826 703  0.1-  0.1-    120827 C23  0.7-  0.1+    120827 C47  0.0   0.2+
    120826 703  0.7-  0.4-    120827 C23  0.0   0.7-    120827 C47  0.0   0.2+
    120826 703  0.3-  0.5-    120827 C27  0.4+  0.0     120827 C47  0.2-  0.1+
    120826 703  0.4-  0.1-    120827 C23  0.3+  1.3-    120827 C47  0.1-  0.3+
    120826 703  0.2+  0.2+    120827 C23  0.0   0.6-    120828 160  0.2+  0.1+
    120826 703  0.5+  0.0     120827 C27  0.1-  0.2+    120828 160  0.0   0.1+
    120826 703  0.2-  0.0     120827 C27  0.3-  0.3-    120828 160  0.0   0.2+
    120826 703  0.1+  0.0     120827 I89  0.6+  0.3-    120828 954  0.6-  0.9+
    120826 H06  0.1-  0.7+    120827 I89  0.2+  0.3-    120828 954  0.2+  0.1-
    120826 H06  0.1+  0.5+    120827 I39  0.3-  0.0     120828 954  0.1+  0.1-
    120826 H06  0.1+  0.5+    120827 I89  0.4+  0.1-    120828 H21  0.2+  0.1-
    120826 H06  0.2-  0.5+    120827 I89  0.1+  0.1-    120828 H21  0.3+  0.0
    120826 900  0.1+  0.1-    120827 I39  0.2-  0.7+    120828 H21  0.3+  0.2-
    120826 900  0.2+  0.1-    120827 I39  0.1-  0.1-    120828 H21  0.1+  0.2-
    120826 900  0.2+  0.1-    120827 C23  0.5-  0.3+    120828 H21  0.3+  0.0
    120826 E23  0.0   0.0     120827 C23  0.9-  0.2+    120828 850  0.0   0.1+
    120826 E23  0.1+  0.0     120827 718  0.0   0.1-    120828 850  0.4+  0.1-
    120826 E23  0.0   0.2-    120827 718  0.1+  0.2+    120828 850  0.5+  0.0
    120826 300  0.5+  0.4-    120827 850  0.0   0.3-    120828 H36  0.3+  0.1-
    120826 300  0.1+  0.2-    120827 718  0.1+  0.2-    120828 H36  0.3+  0.1-
    120826 300  0.5-  0.1+    120827 718  0.2+  0.3+    120828 H36  0.3+  0.0
    120826 300  0.2+  0.3-    120827 850  0.2+  0.1-    120828 H36  0.4+  0.0
    120826 C77  0.7+  0.1+    120827 850  0.1+  0.0     120828 H06  0.6-  0.4-
    120826 C77  0.4+  0.1+    120827 850  0.1+  0.0     120828 H06  0.1-  0.0
    120826 470  0.1-  0.4+    120827 850  0.2+  0.1-    120828 H06  0.5-  0.2-
    120826 C77  0.4+  0.2+    120827 E12  0.0   0.1-    120828 H06  0.7-  0.6+
    120826 470  0.9-  0.7+    120827 E12  0.0   0.1-    120828 H06  0.4-  0.2+
    
    Ephemeris:
    2012 QG42                a,e,i = 1.03, 0.38, 7                   q = 0.6402
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 07 29    23 58 59.8 -13 03 11   0.3411  1.2639   130.5    37.6    20.0
    ...
    2012 08 13    00 06 33.1 -12 08 33   0.2221  1.1965   142.3    31.2    18.8
    ...
    2012 08 21    00 05 03.6 -11 32 18   0.1632  1.1556   149.7    26.2    17.9
    ...
    2012 08 27    23 59 01.3 -10 46 51   0.1213  1.1226   156.5    21.0    17.0
    2012 08 28    23 57 21.0 -10 36 02   0.1145  1.1170   157.8    20.0    16.8
    2012 08 29    23 55 24.7 -10 23 49   0.1078  1.1112   159.1    18.9    16.7
    ...
    2012 09 04    23 34 34.5 -08 17 22   0.06852 1.0759   169.5     9.8    15.3
    ...
    2012 09 12    21 15 03.5 +06 28 57   0.02348 1.0262   146.8    32.5    13.6
    ...
    2012 09 27    13 25 34.6 +17 30 09   0.08497 0.9265    25.8   151.9    23.6
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-Q72
    

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