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  • MPEC 2022-O81 : 2012 QV2

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    M.P.E.C. 2022-O81                                 Issued 2022 July 28, 13:25 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F 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 QV2                                 
    
    
                               Revision to MPEC 2012-Q22                            
    
    Additional Observations:
         K12Q02V  C2022 07 26.48209322 35 08.508-36 59 43.26         21.38wUEO081F52
         K12Q02V  C2022 07 26.49155322 35 11.538-36 59 31.65         21.63wUEO081F52
         K12Q02V  C2022 07 26.50107222 35 14.665-36 59 19.23         21.35wUEO081F52
         K12Q02V ^C2022 07 27.51312222 41 14.410-36 35 28.18         21.18GVEO081568
         K12Q02V ^C2022 07 27.51409922 41 14.748-36 35 26.72         21.22GVEO081568
         K12Q02V ^C2022 07 27.51507822 41 15.074-36 35 25.34         21.25GVEO081568
         K12Q02V ^C2022 07 27.51605722 41 15.397-36 35 23.88         21.33GVEO081568
         K12Q02V ^C2022 07 28.48675922 47 19.048-36 09 11.71         21.46GVEO081568
         K12Q02V ^C2022 07 28.48773922 47 19.400-36 09 10.01         21.42GVEO081568
         K12Q02V ^C2022 07 28.48873422 47 19.749-36 09 08.38         21.57GVEO081568
    
    Observer details:
    568 Mauna Kea.  Observers R. Wainscoat, A. Acohido, T. Burdullis, C.
        Cunningham, H. Flewelling.  Measurers R. Weryk, R. Wainscoat.  3.6-m
        Canada-France-Hawaii Telescope + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith.  Measurers K. Chambers, S. Chastel, T. de Boer, J. Fairlamb, H.
        Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
        Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
    220726 F52   25-   23-    220728 568   26-   25-    MPO242010   -6.39 days
    
    Orbital elements:
    2012 QV2                                                 Earth MOID = 0.0112 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
    M 349.92141              (2000.0)            P               Q                  
    n   0.29595979     Peri.   21.56448     +0.99858983     +0.02144057             
    a   2.2300482      Node   337.04517     -0.04288453     +0.86502980             
    e   0.5520534      Incl.    7.15340     +0.03129313     +0.50126215             
    P   3.33           H   24.03          G   0.15           U   0                  
    Residuals in seconds of arc
    120817 E12  0.3-  0.5-    120820 807  0.1-  0.1+    120825 H21  0.0   0.2+
    120817 E12  0.2+  0.0     120821 807  0.2-  0.2+    120825 H21  0.1+  0.1+
    120817 E12  0.2+  0.3+    120821 807  0.2-  0.3+    120825 H21  0.1+  0.2+
    120817 E12  0.1-  0.0     120821 807  0.0   0.1+    120827 130  0.5-  0.5-
    120817 E12  0.2-  0.2-    120822 474  0.3+  0.0     120827 130  0.4-  0.1+
    120817 E12  0.6-  0.2+    120822 474  0.4+  0.5+    120827 204  0.3-  0.6+
    120817 E12  0.4-  0.2-    120822 474  0.1+  0.1-    120827 204  0.0   0.5+
    120817 194  0.1+  0.2+    120822 474  0.1-  0.4-    120827 204  0.1-  0.5+
    120817 194  0.2+  0.0     120822 474  0.1+  0.2-    120829 H21  0.2+  0.2-
    120817 194  0.3+  0.1+    120822 474  0.3+  0.2-    120829 H21  0.4+  0.2-
    120817 194  0.1+  0.1-    120822 474  0.2+  0.0     120829 H21  0.5+  0.5-
    120817 194  0.4+  0.1+    120823 474  0.7-  0.4+    120829 H21  0.6+  0.5-
    120818 474  0.2-  0.6-    120823 474  0.6-  0.2-    220726 F52  0.1+  0.2+
    120818 474  0.5-  0.4-    120823 474  0.3-  0.2-    220726 F52  0.1-  0.2-
    120818 474  0.7-  0.9-    120823 474  0.8-  0.1+    220726 F52  0.6+  0.1+
    120818 474  0.9+  0.2+    120823 474  0.5-  0.2+    220727 568  0.0   0.0
    120818 474  0.4-  0.4-    120824 H21  0.2-  0.3+    220727 568  0.1+  0.0
    120819 807  0.1+  0.3+    120824 H21  0.4-  0.2+    220727 568  0.0   0.1-
    120819 807  0.1-  0.0     120824 H21  0.2-  0.2+    220727 568  0.1-  0.1-
    120819 807  0.1-  0.0     120824 H21  0.3-  0.4+    220728 568  0.0   0.1-
    120820 807  0.1-  0.1+    120824 H21  0.0   0.3+    220728 568  0.0   0.0
    120820 807  0.0   0.0     120825 H21  0.0   0.3+    220728 568  0.0   0.0
    
    Ephemeris:
    2012 QV2                 a,e,i = 2.23, 0.55, 7                   q = 0.9989
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 06 28    20 57 43.5 -38 14 14   0.3936  1.3564   144.5    25.8    23.8
    ...
    2022 07 13    21 36 52.5 -38 56 35   0.2659  1.2493   147.6    25.8    22.8
    ...
    2022 07 21    22 07 14.9 -38 21 32   0.2074  1.1960   147.4    27.3    22.2
    ...
    2022 07 27    22 38 08.9 -36 47 16   0.1680  1.1586   145.9    29.4    21.8
    2022 07 28    22 44 13.4 -36 22 03   0.1619  1.1526   145.5    29.9    21.7
    2022 07 29    22 50 36.6 -35 53 11   0.1559  1.1467   145.1    30.5    21.6
    ...
    2022 08 04    23 36 22.2 -31 15 46   0.1230  1.1129   141.0    35.0    21.2
    ...
    2022 08 12    00 59 29.5 -17 26 26   0.09183 1.0733   128.8    47.4    20.8
    ...
    2022 08 27    03 53 32.4 +22 56 02   0.1015  1.0197    92.3    82.0    22.0
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-O81
    


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