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  • MPEC 2018-Q15 : 2017 QG33

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    M.P.E.C. 2018-Q15                                Issued 2018 Aug. 16, 18:45 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
    
                                       2017 QG33
    
                              Revision to MPEC 2017-Q154
    
    Additional Observations:
         K17Q33G  C2018 08 10.54538900 04 13.264+04 43 06.20         23.13GVEQ015T12
         K17Q33G  C2018 08 10.55143600 04 12.816+04 43 13.68         22.92GVEQ015T12
         K17Q33G  C2018 08 14.51716623 59 13.656+06 07 08.59         22.65GVEQ015T12
         K17Q33G  C2018 08 14.51970623 59 13.399+06 07 11.86         22.88GVEQ015T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. J. Tholen,
        D. Hung.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180810 T12 26.8- 29.4-    180814 T12 28.0- 31.5-    MPO416623   +0.0012 day
    
    Orbital elements:
    2017 QG33                                                Earth MOID = 0.1211 AU
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M  70.43908              (2000.0)            P               Q
    n   1.01612115     Peri.  167.90896     -0.63353079     -0.76811743
    a   0.9798789      Node   321.29454     +0.69691591     -0.51434835
    e   0.3104926      Incl.    8.54572     +0.33607582     -0.38136780
    P   0.97           H   23.5           G   0.15           U   4
    Residuals in seconds of arc
    170823 F51  0.1-  0.0     170824 F51  0.1-  0.1+    170916 F51  0.1+  0.1+
    170823 F51  0.1+  0.0     170830 H21  0.1+  0.2+    170921 291  0.2-  0.1+
    170823 F51  0.0   0.0     170830 H21  0.1-  0.0     170921 291  0.1-  0.3-
    170823 F51  0.1+  0.1-    170830 H21  0.2+  0.1+    170921 291  0.1+  0.0
    170824 H21  0.1+  0.3-    170830 568  0.1-  0.1-    180810 T12  0.0   0.1-
    170824 H21  0.1+  0.2+    170830 568  0.2-  0.1-    180810 T12  0.0   0.0
    170824 H21  0.2+  0.4-    170830 568  0.2-  0.1-    180814 T12  0.0   0.1+
    170824 H21  0.2+  0.1+    170916 F51  0.3+  0.1-    180814 T12  0.0   0.0
    170824 F51  0.0   0.0     170916 F51  0.0   0.1+
    
    Ephemeris:
    2017 QG33                a,e,i = 0.98, 0.31, 9                   q = 0.6756
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 07 17    00 06 21.6 -02 35 26   0.4737  1.2823   113.7    46.5    24.2
    ...
    2018 08 01    00 09 55.0 +01 38 40   0.3737  1.2691   125.5    40.6    23.5
    ...
    2018 08 09    00 05 42.3 +04 11 45   0.3233  1.2570   133.1    36.1    23.0
    ...
    2018 08 15    23 58 29.6 +06 17 47   0.2880  1.2456   139.4    32.0    22.6
    2018 08 16    23 56 53.2 +06 39 51   0.2824  1.2435   140.5    31.2    22.6
    2018 08 17    23 55 09.2 +07 02 15   0.2769  1.2414   141.6    30.5    22.5
    ...
    2018 08 23    23 41 50.5 +09 23 17   0.2457  1.2273   148.4    25.6    22.1
    ...
    2018 08 31    23 15 05.9 +12 45 43   0.2108  1.2056   156.3    19.6    21.5
    ...
    2018 09 15    21 55 29.6 +18 27 18   0.1719  1.1554   148.2    27.3    21.2
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Q15
    

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