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Minor Planet Center

MPEC 2010-D80 : 2010 DH56

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M.P.E.C. 2010-D80                                Issued 2010 Feb. 25, 17:27 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.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2010 DH56

Observations:
     K10D56H* S2010 02 20.51723 04 33 56.88 +07 55 05.3                 ED080C51
     K10D56H  s2010 02 20.51723 1 + 3757.5695 + 5759.7829 +  668.2654   ED080C51
     K10D56H  S2010 02 20.64954 04 33 59.69 +07 50 42.9                 ED080C51
     K10D56H  s2010 02 20.64954 1 + 3743.5564 + 5770.4753 +  653.5281   ED080C51
     K10D56H  S2010 02 20.71575 04 34 01.16 +07 48 29.0                 ED080C51
     K10D56H  s2010 02 20.71575 1 + 3738.9935 + 5769.4068 +  688.0861   ED080C51
     K10D56H  S2010 02 20.84806 04 34 04.05 +07 44 06.6                 ED080C51
     K10D56H  s2010 02 20.84806 1 + 3725.1196 + 5780.0050 +  675.3905   ED080C51
     K10D56H  S2010 02 20.98036 04 34 06.91 +07 39 43.2                 ED080C51
     K10D56H  s2010 02 20.98036 1 + 3711.0730 + 5790.5796 +  661.8818   ED080C51
     K10D56H  S2010 02 21.11267 04 34 09.92 +07 35 21.6                 ED080C51
     K10D56H  s2010 02 21.11267 1 + 3696.7433 + 5801.1165 +  646.9458   ED080C51
     K10D56H  S2010 02 22.76653 04 34 51.15 +06 41 08.7                 ED080C51
     K10D56H  s2010 02 22.76653 1 + 3521.9014 + 5922.1157 +  519.2273   ED080C51
     K10D56H  S2010 02 22.76666 04 34 51.17 +06 41 08.2                 ED080C51
     K10D56H  s2010 02 22.76666 1 + 3527.8898 + 5910.6192 +  601.8164   ED080C51
     K10D56H  S2010 02 22.89896 04 34 54.87 +06 36 51.6                 ED080C51
     K10D56H  s2010 02 22.89896 1 + 3513.7030 + 5920.5042 +  589.2711   ED080C51
     K10D56H  S2010 02 23.03127 04 34 58.54 +06 32 34.9                 ED080C51
     K10D56H  s2010 02 23.03127 1 + 3498.8575 + 5930.4422 +  575.1781   ED080C51
     K10D56H  S2010 02 23.16357 04 35 02.25 +06 28 18.0                 ED080C51
     K10D56H  s2010 02 23.16357 1 + 3484.3106 + 5940.1566 +  561.0940   ED080C51
     K10D56H  S2010 02 23.22966 04 35 04.12 +06 26 09.5                 ED080C51
     K10D56H  s2010 02 23.22966 1 + 3474.0587 + 5950.5709 +  513.2713   ED080C51
     K10D56H  C2010 02 25.12988 04 36 02.62 +05 25 23.4          22.3 V ED080291
     K10D56H  C2010 02 25.13738 04 36 02.85 +05 25 09.4          21.8 V ED080291

Observer details:
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
C51 WISE.  Measurers A. Mainzer, E. Wright, J. Bauer, T. Grav, J. Dailey, J.
    Masiero, R. Cutri, R. McMillan, R. Walker.
    (http://wise.ssl.berkeley.edu/mission_sci.html)

Orbital elements:
2010 DH56                                                Earth MOID = 0.3452 AU
Epoch 2010 Feb. 13.0 TT = JDT 2455240.5                 MPC
M 339.39602              (2000.0)            P               Q
n   0.26969189     Peri.  265.44708     -0.80941951     +0.20355646
a   2.3725978      Node   285.49568     +0.09633977     -0.87925925
e   0.5858280      Incl.   34.86182     -0.57927429     -0.43065988
P   3.65           H   20.2           G   0.15
From 14 observations 2010 Feb. 20-25.

Ephemeris:
2010 DH56                a,e,i = 2.37, 0.59, 35                  q = 0.9827
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2010 02 23    04 34.96   +06 33.6    0.770    1.293    93.8    49.8    22.0
2010 03 05    04 41.62   +01 26.9    0.798    1.220    85.2    54.1    22.1
2010 03 15    04 51.67   -03 14.4    0.820    1.152    78.2    57.7    22.2
2010 03 25    05 04.32   -07 42.7    0.830    1.092    72.7    60.7    22.2
2010 04 04    05 19.01   -12 08.5    0.828    1.042    68.8    63.4    22.1
2010 04 14    05 35.50   -16 39.2    0.811    1.006    66.4    66.0    22.1
2010 04 24    05 53.99   -21 20.9    0.781    0.986    65.6    68.2    22.0
2010 05 04    06 15.25   -26 18.7    0.738    0.984    66.5    70.0    22.0
2010 05 14    06 41.19   -31 37.8    0.684    0.999    69.2    71.0    21.9
2010 05 24    07 15.46   -37 23.5    0.626    1.031    73.8    70.6    21.7
2010 06 03    08 04.51   -43 27.1    0.569    1.077    80.4    68.2    21.5
2010 06 13    09 18.01   -48 50.7    0.525    1.134    88.9    63.5    21.3
2010 06 23    10 59.50   -51 03.6    0.508    1.200    98.3    56.9    21.2
2010 07 03    12 45.42   -47 52.1    0.528    1.272   106.6    50.0    21.2
2010 07 13    14 06.88   -41 03.8    0.591    1.349   111.3    44.6    21.4
2010 07 23    15 02.72   -33 58.5    0.691    1.427   112.1    41.3    21.8
2010 08 02    15 42.28   -28 08.5    0.820    1.508   110.1    39.2    22.2
2010 08 12    16 12.56   -23 43.3    0.969    1.588   106.5    37.7    22.7

Timothy B. Spahr             (C) Copyright 2010 MPC           M.P.E.C. 2010-D80

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