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  • MPEC 2012-A20 : 2012 AX

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    M.P.E.C. 2012-A20                                Issued 2012 Jan. 3, 18:13 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 AX
    
    Observations:
         K12A00X* C2012 01 02.19443 04 50 42.75 +31 45 31.8          19.9 VrEA020G96
         K12A00X  C2012 01 02.20130 04 50 42.79 +31 46 10.5          19.6 VrEA020G96
         K12A00X  C2012 01 02.20816 04 50 42.79 +31 46 50.2          20.4 VrEA020G96
         K12A00X  C2012 01 02.21505 04 50 42.79 +31 47 29.4          19.9 VrEA020G96
         K12A00X  C2012 01 02.29207 04 50 43.02 +31 54 45.4          19.6 VrEA020G96
         K12A00X  C2012 01 02.29277 04 50 43.03 +31 54 48.8          20.3 VrEA020G96
         K12A00X  C2012 01 02.29410 04 50 43.04 +31 54 56.9          20.4 VrEA020G96
         K12A00X mC2012 01 02.35999 04 50 43.64 +32 01 06.2                oEA020291
         K12A00X mC2012 01 02.36088 04 50 43.64 +32 01 11.0                oEA020291
         K12A00X mC2012 01 02.36175 04 50 43.64 +32 01 15.8                oEA020291
         K12A00X  C2012 01 03.30208 04 51 23.68 +33 33 49.0          19.8 VrEA020G96
         K12A00X  C2012 01 03.30278 04 51 23.72 +33 33 53.1          19.7 VrEA020G96
         K12A00X  C2012 01 03.30345 04 51 23.72 +33 33 56.9          19.9 VrEA020G96
         K12A00X  C2012 01 03.30416 04 51 23.68 +33 34 01.6          19.7 VrEA020G96
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer A. Boattini.  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.
    
    Orbital elements:
    2012 AX                                                  Earth MOID = 0.0717 AU
    Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
    M  13.74413              (2000.0)            P               Q
    n   0.33430959     Peri.   42.24111     -0.68104577     -0.72166524
    a   2.0560649      Node    91.09170     +0.63428438     -0.66603088
    e   0.5057079      Incl.    7.12430     +0.36586879     -0.18868533
    P   2.95           H   23.5           G   0.15           U   8
    Residuals in seconds of arc
    120102 G96  0.6-  0.1+    120102 G96  0.2-  0.7-    120103 G96  0.5-  0.1-
    120102 G96  0.3-  0.5-    120102 G96  0.2-  0.0     120103 G96  0.2-  0.2-
    120102 G96  0.5-  0.0     120102 291  0.3-  0.0     120103 G96  0.3-  0.4-
    120102 G96  0.7-  0.1-    120102 291  0.5-  0.2-    120103 G96  0.9-  0.1+
    120102 G96  0.3-  0.1-    120102 291  0.6-  0.2-
    
    Ephemeris:
    2012 AX                  a,e,i = 2.06, 0.51, 7                   q = 1.0163
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2011 12 04    04 55 05.9 +10 51 16   0.2527  1.2340   168.1     9.5    21.6
    ...
    2011 12 19    04 50 43.5 +16 53 32   0.1679  1.1474   165.7    12.2    20.7
    ...
    2011 12 27    04 49 11.5 +23 37 59   0.1319  1.1077   159.1    18.5    20.3
    ...
    2012 01 02    04 50 34.9 +31 27 12   0.1094  1.0818   152.9    24.5    20.0
    2012 01 03    04 51 12.9 +33 03 32   0.1060  1.0778   151.7    25.6    20.0
    2012 01 04    04 52 00.7 +34 45 46   0.1028  1.0739   150.5    26.8    19.9
    ...
    2012 01 10    05 01 59.2 +47 14 24   0.08645 1.0531   142.3    34.8    19.7
    ...
    2012 01 18    05 58 07.9 +69 06 26   0.07514 1.0321   128.4    48.4    19.8
    ...
    2012 02 02    14 39 31.3 +64 34 42   0.09055 1.0163   107.5    67.6    20.7
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-A20
    

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