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  • MPEC 2012-X43 : 2012 XG55

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    M.P.E.C. 2012-X43                                Issued 2012 Dec. 10, 20:37 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
    
                                       2012 XG55
    
    Observations:
         K12X55G* C2012 12 07.24305 03 08 56.456+15 04 07.39         21.5 wLEX043F51
         K12X55G  C2012 12 07.27309 03 08 57.449+15 03 32.87         21.9 wLEX043F51
         K12X55G  C2012 12 07.28813 03 08 57.939+15 03 15.16         21.5 wLEX043F51
         K12X55G KC2012 12 08.26004 03 09 43.72 +14 44 00.2          20.6 RoEX043291
         K12X55G KC2012 12 08.26481 03 09 43.90 +14 43 54.7          21.0 RoEX043291
         K12X55G KC2012 12 08.26958 03 09 44.10 +14 43 48.8          21.1 RoEX043291
         K12X55G KC2012 12 09.12636 03 10 30.83 +14 27 07.1          21.2 RoEX043291
         K12X55G KC2012 12 09.13565 03 10 31.22 +14 26 56.1          21.2 RoEX043291
         K12X55G KC2012 12 09.14496 03 10 31.58 +14 26 45.0          21.2 RoEX043291
         K12X55G KC2012 12 10.30479 03 11 34.22 +14 04 28.0          21.1 RoEX043291
         K12X55G KC2012 12 10.31012 03 11 34.39 +14 04 21.8          21.1 RoEX043291
         K12X55G KC2012 12 10.31545 03 11 34.65 +14 04 15.5          21.4 RoEX043291
    
    Observer details:
    291 LPL/Spacewatch II.  Observers T. H. Bressi, R. S. McMillan.  1.8-m f/2.7
        reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        T. Goggia.  Measurer PS1 Science Consortium.  1.8-m Ritchey-Chretien
        + CCD.
    
    Orbital elements:
    2012 XG55                                                Earth MOID = 0.1699 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M 317.03193              (2000.0)            P               Q
    n   0.44078921     Peri.  212.51602     -0.12639178     -0.98964853
    a   1.7099448      Node   244.82450     +0.92543048     -0.09295843
    e   0.3288704      Incl.    4.30767     +0.35721637     -0.10933673
    P   2.24           H   23.5           G   0.15           U   7
    Residuals in seconds of arc
    121207 F51  0.1-  0.1+    121208 291  0.1-  0.0     121209 291  0.1-  0.4-
    121207 F51  0.0   0.1+    121208 291  0.3+  0.2-    121210 291  0.6+  0.0
    121207 F51  0.1+  0.2-    121209 291  0.0   0.6+    121210 291  0.4-  0.0
    121208 291  0.3-  0.2-    121209 291  0.1+  0.1+    121210 291  0.1-  0.0
    
    Ephemeris:
    2012 XG55                a,e,i = 1.71, 0.33, 4                   q = 1.1476
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 11 10    03 03 46.0 +23 21 12   0.2657  1.2548   173.8     4.9    21.5
    ...
    2012 11 25    03 03 24.2 +19 10 01   0.2265  1.2079   165.8    11.6    21.4
    ...
    2012 12 03    03 06 07.5 +16 29 26   0.2152  1.1876   157.7    18.4    21.5
    ...
    2012 12 09    03 10 22.6 +14 29 48   0.2106  1.1748   151.9    23.3    21.6
    2012 12 10    03 11 17.8 +14 10 32   0.2101  1.1729   150.9    24.1    21.6
    2012 12 11    03 12 16.8 +13 51 32   0.2097  1.1711   150.0    24.8    21.6
    ...
    2012 12 17    03 19 34.2 +12 04 55   0.2090  1.1614   145.0    29.1    21.7
    ...
    2012 12 25    03 33 03.0 +10 08 03   0.2121  1.1524   139.2    33.9    21.9
    ...
    2013 01 09    04 08 19.3 +08 00 01   0.2286  1.1480   131.6    39.8    22.2
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-X43
    

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