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  • MPEC 2012-A12 : 2011 YA63

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    M.P.E.C. 2012-A12                                Issued 2012 Jan. 3, 01:06 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
    
                                       2011 YA63
    
    Observations:
         K11Y63A* C2011 12 31.44553 07 43 15.34 +10 16 52.2          20.8 VrEA012G96
         K11Y63A  C2011 12 31.45309 07 43 15.56 +10 16 50.8          20.9 VrEA012G96
         K11Y63A  C2011 12 31.46058 07 43 15.81 +10 16 49.6          21.1 VrEA012G96
         K11Y63A  C2011 12 31.52687 07 43 18.19 +10 16 38.1          21.1 VrEA012G96
         K11Y63A  C2011 12 31.52863 07 43 18.26 +10 16 37.3          21.2 VrEA012G96
         K11Y63A  C2011 12 31.53037 07 43 18.33 +10 16 37.4          21.0 VrEA012G96
         K11Y63A  C2011 12 31.53212 07 43 18.40 +10 16 37.4          21.2 VrEA012G96
         K11Y63A KC2012 01 01.28237 07 44 00.80 +10 15 15.1          21.0 VtEA012H21
         K11Y63A KC2012 01 01.29064 07 44 01.01 +10 15 14.1          21.2 VtEA012H21
         K11Y63A  C2012 01 01.40347 07 44 05.35 +10 15 10.9          20.8 VrEA012G96
         K11Y63A  C2012 01 01.41043 07 44 05.53 +10 15 10.5          21.0 VrEA012G96
         K11Y63A  C2012 01 01.41738 07 44 05.71 +10 15 09.6          20.7 VrEA012G96
         K11Y63A %C2012 01 01.51913507 44 11.24 +10 15 15.6          20.6 RoEA012F65
         K11Y63A %C2012 01 01.52186807 44 11.30 +10 15 15.2          20.8 RoEA012F65
         K11Y63A %C2012 01 01.52460207 44 11.35 +10 15 14.9          20.8 RoEA012F65
         K11Y63A |C2012 01 02.17639 07 44 45.77 +10 15 24.8          21.2 VoEA012807
         K11Y63A |C2012 01 02.18461 07 44 45.93 +10 15 24.7          20.9 VoEA012807
         K11Y63A |C2012 01 02.19286 07 44 46.13 +10 15 24.2          21.5 VoEA012807
    
    Observer details:
    807 Cerro Tololo.  Observers R. Holmes, T. Linder, V. Hoette.  Measurers
        R. Holmes, T. Linder.  0.41-m f/11 Ritchey-Chretien + CCD.
    F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
        Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, S. Foglia, T. Vorobjov.  0.81-m f/4.0 astrograph + CCD.
    
    Orbital elements:
    2011 YA63                                                Earth MOID = 0.0961 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  55.61096              (2000.0)            P               Q
    n   0.56995994     Peri.  222.02695     +0.21396174     -0.97675216
    a   1.4406987      Node   215.62434     +0.90218449     +0.20279223
    e   0.2508636      Incl.    1.30358     +0.37454442     +0.06950198
    P   1.73           H   24.5           G   0.15           U   7
    Residuals in seconds of arc
    111231 G96  0.2+  0.1+    111231 G96  0.1-  0.3+    120101 F65  0.1+  0.2+
    111231 G96  0.1-  0.1-    120101 H21  0.1+  0.1+    120101 F65  0.2+  0.1+
    111231 G96  0.1+  0.0     120101 H21  0.0   0.1-    120101 F65  0.0   0.1+
    111231 G96  0.0   0.1+    120101 G96  0.2-  0.3-    120102 807  0.1+  0.2-
    111231 G96  0.0   0.4-    120101 G96  0.1-  0.1+    120102 807  0.2-  0.1+
    111231 G96  0.1-  0.0     120101 G96  0.1-  0.0     120102 807  0.1+  0.1-
    
    Ephemeris:
    2011 YA63                a,e,i = 1.44, 0.25, 1                   q = 1.0793
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 04    06 51 02.1 +14 48 57   0.1089  1.0795   147.9    29.0    21.1
    ...
    2011 12 19    07 27 07.4 +11 30 31   0.1104  1.0834   153.0    24.4    21.0
    ...
    2011 12 27    07 38 47.3 +10 32 25   0.1158  1.0913   157.4    20.3    21.0
    ...
    2012 01 02    07 44 35.7 +10 14 51   0.1221  1.0996   161.2    16.7    21.0
    2012 01 03    07 45 22.0 +10 13 58   0.1233  1.1012   161.9    16.1    21.0
    2012 01 04    07 46 05.4 +10 13 37   0.1246  1.1028   162.6    15.5    21.0
    ...
    2012 01 10    07 49 33.7 +10 22 06   0.1337  1.1138   166.6    11.8    21.1
    ...
    2012 01 18    07 52 35.1 +10 56 17   0.1494  1.1313   170.2     8.6    21.2
    ...
    2012 02 02    07 57 48.9 +12 34 24   0.1919  1.1714   164.5    13.0    22.0
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-A12
    

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