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  • MPEC 2020-C124 : 2007 MH

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    M.P.E.C. 2020-C124                             Issued 2020 February 9, 15:00 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
    
                                     2007 MH                                 
    
    
                               Revision to MPEC 2007-M12                            
    
    Additional Observations:
         K07M00H  C2019 11 28.51267305 29 21.840+38 02 29.05         23.14GVEC124T12
         K07M00H  C2019 11 28.51519505 29 21.538+38 02 27.56         23.20GVEC124T12
         K07M00H  C2020 01 24.41866004 03 45.828+20 46 45.80         23.67GVEC124T12
         K07M00H KC2020 01 24.42703104 03 45.779+20 46 37.75         23.72GVEC124T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. Hung, D. Fohring. 
        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 (or two decimals in degrees), reference and Delta-T
    191128 T12 0.45- 0.13-    200124 T12 0.34- 0.11-    MPO122893   -0.70 days
    
    Orbital elements:
    2007 MH                                                  Earth MOID = 0.1142 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M 339.05891              (2000.0)            P               Q
    n   0.52274574     Peri.  303.40944     -0.74165681     +0.57443755
    a   1.5261916      Node   274.07982     -0.43969985     -0.80628275
    e   0.3286948      Incl.   20.31872     -0.50656611     -0.14117233
    P   1.89           H   21.0           G   0.15           U   1
    Residuals in seconds of arc
    070617 E12  0.4+  0.2+    070619 474  0.2-  0.1-    070708 649  0.2+  0.3-
    070617 E12  0.2+  0.2-    070619 474  0.1+  0.0     070708 649  0.1+  0.1-
    070617 E12  0.5+  0.2+    070619 474  0.1-  0.2-    070708 649  0.1+  0.1-
    070617 E12 (0.1+  1.6-)   070621 673  0.6-  0.8-    070708 H45  0.4+  0.3+
    070617 E12  0.1-  0.6-    070621 673  0.3+  1.1-    070708 H45  0.6+  0.4+
    070617 E12  0.3-  0.4+    070621 673  0.0   0.2-    070708 H45  0.5+  0.4+
    070617 E12  0.1-  0.4-    070621 673  0.6+  0.3-    070708 H45  0.1+  0.0
    070617 E12  0.2+  0.2+    070622 E12  0.2+  0.1-    070708 H45  0.2+  0.2+
    070617 E12  0.3-  0.2+    070622 E12  0.2+  0.2+    070708 160  0.2-  0.1+
    070617 E12  0.2-  0.4-    070622 E12  0.2-  0.4-    070708 160  0.2-  0.0
    070617 E12  0.2-  0.9+    070622 E12  0.3+  0.3-    070708 160  0.2+  0.2-
    070617 E12  0.0   0.3+    070622 E12  0.0   0.2-    070711 560  0.7-  0.2+
    070618 651  0.8-  1.2-    070702 H55 (0.1+  2.0+)   070711 560  0.4-  0.2+
    070618 651  0.1-  0.4+    070702 H55  0.6+  0.7+    070711 560  0.4-  0.2+
    070618 651  0.1-  0.7+    070702 H55 (1.2+  2.1+)   070713 A48  0.4-  1.0+
    070618 651  0.2-  0.3-    070702 H55  0.1-  0.5+    070713 A48  0.2-  0.7+
    070618 474  0.2-  0.1-    070703 H55  1.2-  0.2+    070724 H55  0.2-  0.3-
    070618 673  0.3+  0.7-    070703 H55  0.2+  0.4-    070724 H55  0.2-  0.3-
    070618 474  0.2+  0.4+    070703 H55  0.5-  0.6-    070724 H55  0.1+  0.4-
    070618 474  0.2+  0.1+    070703 H55  0.2-  0.3+    070808 H55  0.2+  0.2+
    070618 673  0.0   0.5+    070706 649  0.1+  0.5-    191128 T12  0.0   0.0
    070618 474  0.2-  0.1+    070706 649  0.6+  0.6-    191128 T12  0.0   0.0
    070618 474  0.0   0.2+    070706 649  0.0   0.1-    200124 T12  0.0   0.0
    070618 673  0.0   1.2+    070706 649  0.2-  0.2+    200124 T12  0.0   0.0
    070618 673  0.1+  0.2+    070706 649  0.3+  0.4-
    070619 474  0.1+  0.2-    070708 649  0.6+  0.2-
    
    Ephemeris:
    2007 MH                  a,e,i = 1.53, 0.33, 20                  q = 1.0245
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 01 10    04 10 42.7 +25 08 51   0.8677  1.7187   136.3    23.3    23.0
    ...
    2020 01 25    04 03 44.9 +20 37 41   0.9445  1.6601   118.8    31.3    23.3
    ...
    2020 02 02    04 05 12.1 +18 43 53   0.9937  1.6271   110.6    34.5    23.5
    ...
    2020 02 08    04 08 18.2 +17 32 01   1.0321  1.6015   105.0    36.5    23.6
    2020 02 09    04 08 58.3 +17 21 04   1.0385  1.5972   104.1    36.8    23.6
    2020 02 10    04 09 40.8 +17 10 23   1.0450  1.5929   103.2    37.1    23.6
    ...
    2020 02 16    04 14 44.8 +16 11 39   1.0834  1.5665    98.2    38.6    23.7
    ...
    2020 02 24    04 23 29.7 +15 05 41   1.1331  1.5304    92.0    40.2    23.8
    ...
    2020 03 10    04 45 05.6 +13 28 16   1.2167  1.4606    82.1    42.3    23.9
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-C124
    


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