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  • MPEC 2012-G33 : 2001 QG142

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    M.P.E.C. 2012-G33                                Issued 2012 Apr. 13, 00:47 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
    
                                      2001 QG142
    
                               Revision to MPEC 2001-Q53
    
    Additional Observations:
         K01QE2G KC2012 04 12.08636 17 12 54.00 +33 23 51.2                uEG033J95
         K01QE2G KC2012 04 12.08934 17 12 54.41 +33 23 58.0                uEG033J95
         K01QE2G KC2012 04 12.09234 17 12 54.84 +33 24 06.1          19.3 RuEG033J95
         K01QE2G KC2012 04 12.96300 17 15 02.44 +33 59 07.4                uEG033J95
         K01QE2G KC2012 04 12.96779 17 15 03.15 +33 59 19.9                uEG033J95
         K01QE2G KC2012 04 12.97265 17 15 03.85 +33 59 31.0          19.6 RuEG033J95
    
    Observer details:
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    120412 J95 0.16+ 0.03-    120412 J95 0.17+ 0.03-    MPO 20903   -0.14 day
    
    Orbital elements:
    2001 QG142                                               Earth MOID = 0.1495 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M 327.96425              (2000.0)            P               Q
    n   0.27042513     Peri.  137.93001     +0.51583767     +0.84041830
    a   2.3683071      Node   161.09062     -0.85668102     +0.50535459
    e   0.5482671      Incl.   30.84517     +0.00302305     -0.19573918
    P   3.64           H   18.2           G   0.15           U   1
    Residuals in seconds of arc
    010823 704  0.0   0.0     010827 658  0.2-  0.3+    010903 151  0.1+  0.6-
    010823 704  0.2+  0.0     010827 611  1.1-  0.3+    010903 118  0.0   0.4+
    010823 704  1.1+  0.7+    010827 611  0.8+  0.3-    010903 151  0.5-  0.1+
    010823 704  0.2+  0.5+    010827 611  0.8-  0.1+    010903 151  0.1-  0.3+
    010823 704  0.0   0.1+    010827 611  0.1-  0.2-    010903 118  0.3+  0.1-
    010825 704  0.6-  0.0     010827 587  0.4+  0.3+    010903 118  0.9+  0.2-
    010825 704  0.6-  0.0     010827 587  0.1-  0.3-    010912 670  1.6+  0.3-
    010825 704  0.4-  0.1+    010827 587  0.1+  0.4+    010912 670  0.1-  0.7+
    010825 704  0.4-  0.2+    010827 163  0.6-  0.6+    010912 670  0.1-  0.1+
    010825 704  0.2-  0.3+    010827 163  0.4-  0.2-    010912 474  0.6+  0.5-
    010826 642  0.1+  0.2-    010827 163  0.8-  0.5+    010912 474  0.1-  0.2-
    010826 642  0.4+  0.4-    010827 163  0.0   0.3+    010912 474  0.0   0.1-
    010826 642  0.5+  0.3-    010827 163  0.2-  0.6-    010912 474  0.1-  0.1-
    010826 642  0.2+  0.2-    010827 163  0.1-  0.2-    010912 587  0.6-  0.4+
    010826 642  0.2-  0.3+    010827 163  0.0   0.5+    010912 587  0.1-  0.7-
    010826 658  0.2+  0.1+    010829 711  0.6-  0.1-    010916 670  1.5+  1.6+
    010826 658  0.2-  0.3+    010829 711  0.4-  0.5-    010916 670  0.3+  0.2+
    010826 658  0.1+  0.2-    010829 711  0.4-  0.1+    010916 670  0.1+  0.8-
    010826 046  0.9+  0.5+    010829 642  0.5-  0.1+    010918 644  0.1-  0.4-
    010826 046  1.2-  0.6-    010829 642  0.7-  0.2-    010918 644  0.1-  0.4-
    010826 046  0.2+  1.0+    010829 642  1.0+  0.5-    010918 644  0.3-  0.1-
    010826 046  0.2-  0.5+    010829 642  0.3-  0.9+    010918 360  0.6-  0.2-
    010826 046  0.3-  1.2+    010829 642  0.1-  0.3+    010918 360  0.4-  0.1-
    010826 046  0.2+  0.8+    010829 642  0.3-  0.4+    010918 360  0.7-  0.4-
    010826 107  0.2-  0.5-    010829 642  0.3-  1.7-    011011 474  0.3-  0.3+
    010826 107  1.1+  0.1+    010829 642 (2.3-  1.9-)   011011 474  0.4-  0.2+
    010826 946  0.7+  0.1-    010830 118  1.0+  1.2-    011011 474  0.0   0.1+
    010826 946  0.7+  0.6-    010830 118  0.5+  0.8-    011011 474  0.2-  0.3+
    010826 946  0.3+  1.7-    010830 118  1.0+  0.8-    011019 422  0.2-  0.1-
    010826 557  0.2+  0.1-    010901 739  0.2+  1.4+    011019 422  0.2-  0.2+
    010826 557  0.2+  0.1-    010901 739  0.5-  0.6+    011019 422  0.6-  0.2-
    010826 557  0.2+  0.1+    010902 151  0.3-  0.7-    120412 J95  0.2+  0.2+
    010826 557  0.3-  0.2+    010902 151  1.2+  0.5-    120412 J95  0.0   0.3-
    010826 557  0.0   0.1-    010903 540  0.9-  0.4+    120412 J95  0.0   0.6+
    010827 711  0.2+  0.2-    010903 540  0.0   0.2+    120412 J95  0.1-  0.5-
    010827 711  0.1-  0.0     010903 540  0.5-  1.0-    120412 J95  0.0   0.3+
    010827 711  0.1-  0.1+    010903 151  0.1-  0.6+    120412 J95  0.1-  0.5-
    010827 658  0.1+  0.2+    010903 151  0.4-  0.7+
    010827 658  0.1+  0.3+    010903 151  0.1-  0.2-
    
    Ephemeris:
    2001 QG142               a,e,i = 2.37, 0.55, 31                  q = 1.0698
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 03 14    16 07 24.1 +15 53 04   1.0526  1.6986   112.1    32.8    20.8
    ...
    2012 03 29    16 40 03.6 +24 15 33   0.8990  1.5887   113.6    35.2    20.4
    ...
    2012 04 06    16 58 22.9 +29 21 14   0.8352  1.5305   112.6    37.1    20.2
    ...
    2012 04 12    17 12 41.0 +33 20 24   0.7953  1.4872   111.1    39.0    20.1
    2012 04 13    17 15 07.2 +34 00 42   0.7893  1.4801   110.8    39.3    20.1
    2012 04 14    17 17 34.4 +34 41 02   0.7834  1.4729   110.5    39.6    20.1
    ...
    2012 04 20    17 32 39.7 +38 42 36   0.7516  1.4304   108.2    41.9    20.0
    ...
    2012 04 28    17 53 57.6 +43 55 49   0.7171  1.3751   104.6    45.1    19.9
    ...
    2012 05 13    18 39 12.6 +52 37 17   0.6684  1.2775    97.0    51.7    19.8
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-G33
    

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