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  • MPEC 2010-X28 : 2010 XR

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    M.P.E.C. 2010-X28                                Issued 2010 Dec. 2, 23:32 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.org/iau/mpc.html  ISSN 1523-6714
    
                                        2010 XR
    
    Observations:
         K10X00R* C2010 12 02.35142 04 30 53.85 +12 02 33.7          19.7 VrEX028G96
         K10X00R  C2010 12 02.35832 04 30 54.90 +12 02 41.2          19.9 VrEX028G96
         K10X00R  C2010 12 02.36527 04 30 55.94 +12 02 48.7          19.5 VrEX028G96
         K10X00R  C2010 12 02.37208 04 30 57.02 +12 02 55.8          19.4 VrEX028G96
         K10X00R  C2010 12 02.42399 04 31 04.83 +12 03 37.0          19.1 RoEX028H01
         K10X00R  C2010 12 02.43069 04 31 06.03 +12 03 43.0          19.4 RoEX028H01
         K10X00R  C2010 12 02.43801 04 31 07.34 +12 03 49.5          19.4 RoEX028H01
         K10X00R  C2010 12 02.43858 04 31 07.89 +12 04 00.0          19.6 VrEX028G96
         K10X00R  C2010 12 02.43995 04 31 08.14 +12 04 01.3          19.5 VrEX028G96
         K10X00R  C2010 12 02.44134 04 31 08.36 +12 04 02.2          19.6 VrEX028G96
         K10X00R  C2010 12 02.44272 04 31 08.65 +12 04 03.5          19.6 VrEX028G96
         K10X00R  C2010 12 02.44457 04 31 08.53 +12 03 55.2          19.8 RoEX028H01
    
    Observer details:
    G96 Mt. Lemmon Survey.  Observer A. Boattini.  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.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    
    Orbital elements:
    2010 XR                                                  Earth MOID = 0.0002 AU
    Epoch 2010 Nov. 20.0 TT = JDT 2455520.5                 MPC
    M   7.85021              (2000.0)            P               Q
    n   0.23773877     Peri.   97.64636     +0.96063105     +0.25691270
    a   2.5806912      Node   247.51459     -0.27780889     +0.89263415
    e   0.7613027      Incl.    6.57219     +0.00319484     +0.37040538
    P   4.15           H   26.7           G   0.15
    From 12 observations 2010 Dec. 2-2.  E-assumed.
    
    Ephemeris:
    2010 XR                  a,e,i = 2.58, 0.76, 7                   q = 0.6160
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 11 30    18 35.64   -18 57.9    0.00247  0.984    31.2   148.7    21.8
    2010 12 01    04 15.85   +10 54.7    0.0107   0.997   168.9    11.0    17.5
    2010 12 02    04 29.19   +11 56.2    0.0235   1.009   170.0     9.7    19.2
    2010 12 03    04 33.14   +12 14.2    0.0364   1.022   170.2     9.5    20.2
    2010 12 04    04 35.02   +12 23.2    0.0492   1.034   170.1     9.4    20.9
    2010 12 05    04 36.12   +12 28.8    0.0621   1.047   170.0     9.4    21.4
    2010 12 06    04 36.85   +12 32.8    0.0751   1.059   169.7     9.6    21.8
    2010 12 07    04 37.38   +12 36.1    0.0880   1.072   169.4     9.8    22.2
    2010 12 08    04 37.78   +12 39.0    0.101    1.085   168.9    10.0    22.5
    2010 12 09    04 38.10   +12 41.6    0.114    1.097   168.4    10.4    22.8
    2010 12 10    04 38.37   +12 44.1    0.127    1.110   167.9    10.7    23.1
    
    Carl W. Hergenrother         (C) Copyright 2010 MPC           M.P.E.C. 2010-X28
    

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