[Iaude] MPEC Y96: 2012 MB7 [a=1.26,e=0.27,i=20.0,H=22.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 26 10:03:38 EST 2019


M.P.E.C. 2019-Y96                             Issued 2019 December 26, 15:02 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2012 MB7                                    


                           Revision to MPEC 2012-M45                            

Additional Observations:
     K12M07B KC2019 12 24.02077701 01 21.20 +16 56 27.6          22.6 VuEY096H21
     K12M07B KC2019 12 24.02699901 01 23.28 +16 56 17.2          22.7 VuEY096H21
     K12M07B KC2019 12 24.03607601 01 26.29 +16 56 01.7          22.4 VuEY096H21
     K12M07B KC2019 12 26.01199701 12 25.72 +16 01 39.5          22.4 VuEY096H21
     K12M07B KC2019 12 26.02058701 12 28.46 +16 01 25.9          22.6 VuEY096H21
     K12M07B KC2019 12 26.03173201 12 31.96 +16 01 08.2          22.2 VuEY096H21

Observer details:
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.  
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0 
   astrograph + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
191224 H21 64.5-  7.5-    191226 H21 64.0-  4.2-    MPO248906   -0.01 days

Orbital elements:
2012 MB7                                                 Earth MOID = 0.0874 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 168.61070              (2000.0)            P               Q
n   0.69589605     Peri.   82.33400     +0.90590955     +0.25282049
a   1.2611686      Node   262.54692     -0.36723086     +0.86850495
e   0.2721741      Incl.   20.03625     +0.21087766     +0.42635776
P   1.42           H   22.2           G   0.15           U   0
Residuals in seconds of arc
120622 G96  0.1-  0.0     120623 711  0.1+  0.1-    120707 H21  0.1-  0.5+
120622 G96  0.2-  0.1+    120623 711  0.1+  0.3-    120707 H21  0.0   0.1+
120622 G96  0.1-  0.1+    120623 711  0.2+  0.2-    120707 H21  0.1-  0.6-
120622 G96  0.1-  0.2+    120623 711  0.1+  0.1+    120710 H21  0.1-  0.0
120622 G96  0.4-  0.3+    120623 711  0.0   0.1+    120710 H21  0.2-  0.3+
120622 G96  0.3-  0.0     120623 A50  0.5-  0.1+    120710 H21  0.1+  0.1-
120622 G96  0.2-  0.0     120623 A50  1.2-  0.6-    120711 H21  0.0   0.3-
120622 H21  0.2-  0.5-    120623 A50  0.3-  0.4+    120711 H21  0.7+  0.7-
120622 H21  0.3+  0.2-    120623 A50  0.8-  0.3+    120712 H21  0.1-  0.2-
120622 H21  0.7-  0.6-    120623 A50  0.7+  0.3-    120712 H21  0.3-  0.7-
120622 H21  0.0   0.6-    120624 807  0.0   0.1-    120716 H21  0.2-  0.1-
120622 G96  0.3+  0.4+    120624 807  0.0   0.1-    120716 H21  0.1+  0.1+
120622 G96  0.0   0.0     120624 807  0.2+  0.2-    120716 H21  0.1-  0.0
120622 G96  1.0-  0.3-    120624 807  0.0   0.3-    120722 H21  0.5+  0.3-
120622 G96  0.3+  0.1-    120624 807  0.3-  1.0-    120722 H21  0.4+  0.1+
120622 D90  0.2-  0.4+    120625 H21  0.2-  0.0     120722 H21  0.4+  0.2-
120622 D90  0.5+  0.9+    120625 H21  0.1-  0.2-    120723 H21  0.1-  0.5+
120622 D90  0.4-  0.1-    120625 H21  0.1+  0.5+    120723 H21  0.1-  0.4+
120622 204  0.1+  0.2+    120625 H36  0.5+  0.3+    121116 H21  0.5+  0.3+
120622 204  0.0   0.2+    120625 H36  1.1-  0.0     121116 H21  0.8+  0.4+
120622 J87  0.2+  0.4+    120626 H21  0.5-  0.5-    121116 H21  0.6+  0.1+
120622 J87  0.1+  0.3+    120626 H21  0.2-  0.2-    121116 H21  0.5+  0.2-
120622 J87  0.3-  0.3+    120626 H21  0.1+  0.1-    121116 568  0.1-  0.1-
120622 807  0.1-  0.1-    120626 807  0.0   0.1-    121116 568  0.0   0.1+
120622 807  0.1+  0.2-    120626 807  0.0   0.4-    121212 H21  1.3+  0.2+
120622 807  0.4-  0.0     120626 807  0.0   0.0     121212 H21  0.4+  0.2-
120622 807  0.0   0.2+    120626 807  0.2+  0.2+    121212 H21  0.2+  0.4+
120622 J95  0.2+  0.2+    120626 807  0.1+  0.1-    191224 H21  0.4+  0.2+
120623 J95  0.8+  0.6+    120705 H21  0.4+  0.2+    191224 H21  0.3+  0.4+
120623 291  0.1+  0.2-    120705 H21  0.3+  0.2-    191224 H21  0.0   0.2+
120623 291  0.1+  0.1-    120705 H21  0.1+  0.1-    191226 H21  0.3-  0.7+
120623 291  0.0   0.0     120705 H21  0.5-  0.3-    191226 H21  0.1-  0.9+
120623 711  0.1+  0.3-    120707 H21  0.3+  0.6+    191226 H21  0.6-  1.1+

Ephemeris:
2012 MB7                 a,e,i = 1.26, 0.27, 20                  q = 0.9179
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 26    21 26 53.5 +29 00 24   0.3008  1.0430    92.2    71.0    22.2
...
2019 12 11    23 33 24.5 +23 37 27   0.3139  1.1042   104.1    59.8    22.0
...
2019 12 19    00 30 43.4 +19 26 05   0.3466  1.1385   107.7    55.4    22.2
...
2019 12 25    01 06 51.9 +16 29 19   0.3814  1.1644   108.9    53.0    22.4
2019 12 26    01 12 21.4 +16 02 08   0.3880  1.1687   109.0    52.7    22.4
2019 12 27    01 17 42.4 +15 35 44   0.3947  1.1731   109.0    52.4    22.5
...
2020 01 02    01 47 05.8 +13 14 05   0.4388  1.1990   108.8    50.9    22.7
...
2020 01 10    02 20 18.1 +10 49 32   0.5057  1.2333   107.5    49.5    23.0
...
2020 01 25    03 10 20.6 +08 08 57   0.6486  1.2956   103.1    47.7    23.6

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y96




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