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  • MPEC 2012-Q67 : 2012 QD18

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    M.P.E.C. 2012-Q67                                Issued 2012 Aug. 27, 12:25 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 QD18
    
    Observations:
         K12Q18D* C2012 08 26.25932 22 24 07.70 -11 04 37.7          19.5 VrEQ067G96
         K12Q18D  C2012 08 26.26821 22 24 16.23 -11 05 54.4          18.9 VrEQ067G96
         K12Q18D  C2012 08 26.27722 22 24 25.05 -11 07 13.2          19.4 VrEQ067G96
         K12Q18D  C2012 08 26.28619 22 24 33.66 -11 08 31.0          19.2 VrEQ067G96
         K12Q18D KC2012 08 26.32276222 25 04.54 -11 13 58.1          19.5 VvEQ067H21
         K12Q18D KC2012 08 26.32581622 25 07.52 -11 14 24.1          19.5 VvEQ067H21
         K12Q18D KC2012 08 26.32884922 25 10.49 -11 14 49.7          19.2 VvEQ067H21
         K12Q18D KC2012 08 26.33160022 25 13.13 -11 15 12.7          19.1 VvEQ067H21
         K12Q18D  C2012 08 26.33503 22 25 20.38 -11 15 28.4          19.7 VrEQ067G96
         K12Q18D  C2012 08 26.34468 22 25 29.60 -11 16 50.3          19.8 VrEQ067G96
         K12Q18D  C2012 08 26.35437 22 25 38.82 -11 18 12.2          19.8 VrEQ067G96
         K12Q18D  C2012 08 26.36406 22 25 48.03 -11 19 33.7          19.9 VrEQ067G96
         K12Q18D KC2012 08 27.01870 22 36 25.80 -12 46 16.8          19.9 VvEQ067I93
         K12Q18D KC2012 08 27.02440 22 36 30.64 -12 46 59.1          19.6 VvEQ067I93
         K12Q18D KC2012 08 27.03299 22 36 37.99 -12 48 02.3          19.8 VvEQ067I93
         K12Q18D KC2012 08 27.17918 22 38 57.18 -13 05 28.9          19.4 RuEQ067H36
         K12Q18D KC2012 08 27.18255 22 39 00.35 -13 05 51.4          19.6 RuEQ067H36
         K12Q18D KC2012 08 27.18937 22 39 06.15 -13 06 41.1          19.1 RuEQ067H36
         K12Q18D KC2012 08 27.19618 22 39 11.83 -13 07 29.0          19.5 RuEQ067H36
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
        S. M. Larson, R. H. McNaught.  1.5-m 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 QD18                                                Earth MOID = 0.0267 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M  27.25309              (2000.0)            P               Q
    n   0.42051219     Peri.  145.90576     +0.48612998     +0.87135736
    a   1.7644810      Node   153.00129     -0.83086678     +0.48442082
    e   0.4348435      Incl.    8.41538     -0.27080997     +0.07792834
    P   2.34           H   26.0           G   0.15           U   8
    Residuals in seconds of arc
    120826 G96  0.3+  0.1+    120826 H21  0.2-  0.1-    120827 I93  0.1+  0.7+
    120826 G96  0.7-  0.7+    120826 G96  0.3+  0.0     120827 H36 (5.6-  3.0-)
    120826 G96  1.1+  0.0     120826 G96  0.6+  0.2-    120827 H36  0.7-  1.0-
    120826 G96  0.7+  0.2-    120826 G96  0.4+  0.4-    120827 H36  0.4+  1.3-
    120826 H21  0.5-  0.0     120826 G96  0.2+  0.5-    120827 H36  0.0   0.0
    120826 H21  0.2-  0.2-    120827 I93  1.2+  1.2+
    120826 H21  0.2+  0.3-    120827 I93  0.4+  0.8+
    
    Ephemeris:
    2012 QD18                a,e,i = 1.76, 0.43, 8                   q = 0.9972
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 07 28    14 17 15.0 +30 39 00   0.1206  0.9969    77.8    95.4    24.8
    ...
    2012 08 12    15 55 27.9 +30 45 52   0.05213 1.0130    88.2    88.9    22.7
    ...
    2012 08 20    19 29 32.9 +14 23 38   0.02938 1.0327   134.6    44.3    20.1
    ...
    2012 08 26    22 19 27.7 -10 23 46   0.04139 1.0519   179.9     0.1    19.2
    2012 08 27    22 36 08.3 -12 41 11   0.04528 1.0555   175.9     3.9    19.8
    2012 08 28    22 50 18.9 -14 33 00   0.04945 1.0592   172.5     7.1    20.1
    ...
    2012 09 03    23 42 00.8 -20 33 07   0.07790 1.0829   161.7    17.0    21.5
    ...
    2012 09 11    00 10 06.0 -23 05 27   0.1206  1.1191   157.6    20.1    22.7
    ...
    2012 09 26    00 26 32.5 -23 20 51   0.2112  1.1975   155.1    20.6    24.0
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-Q67
    

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