MPEC 2008-H42 : 2008 HD2

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M.P.E.C. 2008-H42                                Issued 2008 Apr. 28, 19:11 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

                                   2008 HD2

Observations:
     K08H02D* C2008 04 27.27943 13 38 18.85 -07 09 45.7          20.1 V EH042G96
     K08H02D  C2008 04 27.28499 13 38 17.30 -07 09 46.3          20.4 V EH042G96
     K08H02D  C2008 04 27.29057 13 38 15.75 -07 09 46.8          20.9 V EH042G96
     K08H02D  C2008 04 27.29617 13 38 14.24 -07 09 47.8          20.9 V EH042G96
     K08H02D  C2008 04 27.33126 13 38 04.59 -07 09 52.5          20.3 V EH042G96
     K08H02D  C2008 04 27.33259 13 38 04.23 -07 09 52.8          20.4 V EH042G96
     K08H02D  C2008 04 27.33392 13 38 03.87 -07 09 53.0          20.6 V EH042G96
     K08H02D  C2008 04 27.33524 13 38 03.51 -07 09 53.3          20.7 V EH042G96
     K08H02D  C2008 04 28.22287 13 34 19.56 -07 12 25.1          20.1 V EH042G96
     K08H02D  C2008 04 28.22719 13 34 18.19 -07 12 25.7          20.5 V EH042G96
     K08H02D  C2008 04 28.23154 13 34 16.82 -07 12 26.9          20.8 V EH042G96
     K08H02D  C2008 04 28.23602 13 34 15.42 -07 12 27.5          20.7 V EH042G96

Observer details:
G96 Mt. Lemmon Survey.  Observer A. Boattini.  Measurers 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.

Orbital elements:
2008 HD2                                                 Earth MOID = 0.0066 AU
Epoch 2008 May 14.0 TT = JDT 2454600.5                  MPC
M 335.27984              (2000.0)            P               Q
n   0.55597043     Peri.  255.66921     +0.44104529     +0.89684082
a   1.4647660      Node    40.55640     -0.80196381     +0.41082527
e   0.4449199      Incl.    2.99695     -0.40290582     +0.16400960
P   1.77           H   25.0           G   0.15           U   9
Residuals in seconds of arc
080427 G96  0.8+  0.9-    080427 G96  0.4+  0.3-    080428 G96  0.7+  0.7-
080427 G96  0.4+  0.6-    080427 G96  0.5+  0.4-    080428 G96  0.5+  0.4-
080427 G96  0.2+  0.3-    080427 G96  0.6+  0.5-    080428 G96  0.5+  0.7-
080427 G96  0.6+  0.5-    080427 G96  0.6+  0.6-    080428 G96  0.7+  0.4-

Ephemeris:
2008 HD2                 a,e,i = 1.46, 0.44, 3                   q = 0.8131
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2008 04 24    13 48.63   -07 03.1    0.108    1.113   172.6     6.7    20.9
2008 04 25    13 45.96   -07 04.3    0.101    1.106   171.3     7.9    20.8
2008 04 26    13 42.91   -07 05.9    0.0936   1.099   169.9     9.3    20.7
2008 04 27    13 39.40   -07 08.0    0.0867   1.092   168.3    10.8    20.6
2008 04 28    13 35.30   -07 10.6    0.0799   1.085   166.5    12.5    20.4
2008 04 29    13 30.48   -07 13.8    0.0731   1.078   164.5    14.4    20.3
2008 04 30    13 24.71   -07 17.7    0.0664   1.071   162.3    16.6    20.1
2008 05 01    13 17.70   -07 22.5    0.0598   1.064   159.8    19.1    20.0
2008 05 02    13 09.03   -07 28.3    0.0533   1.057   156.9    22.0    19.8
2008 05 03    12 58.02   -07 35.1    0.0469   1.050   153.4    25.4    19.6
2008 05 04    12 43.66   -07 43.0    0.0407   1.044   149.1    29.7    19.4
2008 05 05    12 24.30   -07 51.2    0.0347   1.037   143.7    35.2    19.2
2008 05 06    11 57.22   -07 57.7    0.0290   1.030   136.3    42.6    19.0
2008 05 07    11 18.03   -07 56.0    0.0239   1.023   126.0    52.9    18.9
2008 05 08    10 20.72   -07 29.5    0.0199   1.017   111.2    67.7    18.9
2008 05 09    09 02.35   -06 09.2    0.0176   1.010    91.3    87.7    19.3
2008 05 10    07 34.31   -03 48.5    0.0177   1.004    68.9   110.2    20.4
2008 05 11    06 18.50   -01 19.0    0.0202   0.997    49.6   129.5    22.2
2008 05 12    05 23.96   +00 35.4    0.0243   0.991    35.9   143.3    24.2
2008 05 13    04 46.75   +01 53.0    0.0295   0.984    26.8   152.4    26.2
2008 05 14    04 20.97   +02 45.6    0.0352   0.978    21.1   158.2    28.1

Timothy B. Spahr             (C) Copyright 2008 MPC           M.P.E.C. 2008-H42

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