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Minor Planet Center

MPEC 2010-F13 : 2010 EC46

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M.P.E.C. 2010-F13                                Issued 2010 Mar. 17, 17:46 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 http://www.minorplanetcenter.org/iau/mpc.html  ISSN 1523-6714

                                   2010 EC46

Observations:
     K10E46C* C2010 03 13.35585 11 23 02.36 -01 16 41.0          21.8 V EF013G96
     K10E46C  C2010 03 13.36301 11 23 00.85 -01 16 46.4          21.3 V EF013G96
     K10E46C  C2010 03 13.37022 11 22 59.41 -01 16 52.2          21.2 V EF013G96
     K10E46C  C2010 03 13.37744 11 22 57.93 -01 16 57.7          21.7 V EF013G96
     K10E46C  C2010 03 13.42757 11 22 47.69 -01 17 36.8          20.7 R EF013H01
     K10E46C  C2010 03 13.43563 11 22 46.07 -01 17 42.6          20.8 R EF013H01
     K10E46C  C2010 03 13.44220 11 22 44.72 -01 17 47.9          21.4 R EF013H01
     K10E46C  C2010 03 13.44976 11 22 43.17 -01 17 53.7          21.1 R EF013H01

Observer details:
G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  Measurers J. D. Ahern,
    E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
    R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector
    + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.

Orbital elements:
2010 EC46                                           PHA, Earth MOID = 0.0267 AU
Epoch 2010 Mar. 5.0 TT = JDT 2455260.5                  MPC
M 253.63152              (2000.0)            P               Q
n   0.51343494     Peri.  323.07339     +0.72223502     +0.67980771
a   1.5445872      Node   350.32658     -0.29620183     +0.13751703
e   0.4036290      Incl.   49.31976     -0.62501284     +0.72038222
P   1.92           H   20.1           G   0.15
From 8 observations 2010 Mar. 13-13.

Ephemeris:
2010 EC46                a,e,i = 1.54, 0.40, 49                  q = 0.9211
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2010 03 15    11 17.51   -01 37.8    0.875    1.866   173.4     3.5    21.5
2010 03 25    10 43.62   -03 44.8    0.865    1.825   157.1    12.3    21.8
2010 04 04    10 12.78   -05 41.9    0.893    1.782   140.5    20.9    22.1
2010 04 14    09 48.24   -07 25.5    0.948    1.736   125.6    28.0    22.4

Sonia Keys                   (C) Copyright 2010 MPC           M.P.E.C. 2010-F13

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