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Minor Planet Center

MPEC 2009-S51 : 2009 SH2

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M.P.E.C. 2009-S51                                Issued 2009 Sept. 19, 09:34 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

                                   2009 SH2

Observations:
     K09S02H* C2009 09 18.76541 03 13 18.76 -32 57 05.2          18.8 V ES051E12
     K09S02H  C2009 09 18.77182 03 13 19.34 -32 56 43.2          18.9 V ES051E12
     K09S02H  C2009 09 18.77823 03 13 19.88 -32 56 21.1          18.9 V ES051E12
     K09S02H  C2009 09 18.78465 03 13 20.49 -32 55 58.2          18.9 V ES051E12
     K09S02H QC2009 09 18.79396 03 13 21.42 -32 55 24.7          18.6 R ES051E12
     K09S02H  C2009 09 19.29093 03 15 20.63 -32 27 10.0          18.2 C ES051I20
     K09S02H  C2009 09 19.29489 03 15 21.01 -32 26 56.2          18.3 C ES051I20
     K09S02H  C2009 09 19.31646 03 15 23.09 -32 25 40.2          18.5 C ES051I20
     K09S02H  C2009 09 19.33034 03 15 24.44 -32 24 50.9          18.2 C ES051I20

Observer details:
E12 Siding Spring Survey.  Observer G. J. Garradd.  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.  0.5-m Uppsala Schmidt + CCD.
I20 Rio Cuarto.  Observer F. D. Mazzone.  0.20-m f/4 Schmidt-Newtonian + CCD.

Orbital elements:
2009 SH2                                                 Earth MOID = 0.0011 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 179.79350              (2000.0)            P               Q
n   0.96770611     Peri.   89.63593     -0.12440841     -0.99211358
a   1.0122949      Node     7.56200     +0.85795217     -0.11529040
e   0.0906325      Incl.    6.66342     +0.49843818     -0.04918087
P   1.02           H   24.4           G   0.15           U   9
Residuals in seconds of arc
090918 E12  0.1+  0.3+    090918 E12  0.4-  0.1-    090919 I20  0.1+  0.0
090918 E12  0.1+  0.1+    090918 E12  0.1+  0.0     090919 I20  0.2-  0.5+
090918 E12  0.5-  0.3-    090919 I20  0.2+  0.2-    090919 I20  0.1-  0.2-

Ephemeris:
2009 SH2                 a,e,i = 1.01, 0.09, 7                   q = 0.9205
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 09 16    03 04.86   -34 57.1    0.0370   1.025   121.7    56.5    19.3
2009 09 18    03 10.81   -33 35.8    0.0322   1.022   121.9    56.5    19.0
2009 09 20    03 18.02   -31 42.4    0.0274   1.019   122.1    56.6    18.7
2009 09 22    03 27.21   -28 56.9    0.0228   1.016   122.2    56.7    18.3
2009 09 24    03 39.69   -24 40.1    0.0182   1.013   122.1    57.1    17.8
2009 09 26    03 58.02   -17 27.3    0.0139   1.010   121.0    58.3    17.2
2009 09 28    04 27.83   -04 03.2    0.0101   1.007   117.3    62.2    16.6
2009 09 30    05 23.08   +20 59.7    0.00765  1.004   105.4    74.1    16.4
2009 10 02    07 15.75   +50 34.1    0.00799  1.000    85.9    93.7    17.2
2009 10 04    10 01.95   +61 55.2    0.0108   0.997    72.7   106.7    18.5
2009 10 06    11 53.43   +60 44.0    0.0148   0.994    66.6   112.6    19.6
2009 10 08    12 47.45   +57 42.6    0.0192   0.991    63.5   115.5    20.3
2009 10 10    13 16.11   +55 07.5    0.0238   0.988    61.8   117.0    20.9
2009 10 12    13 33.32   +53 05.5    0.0284   0.984    60.6   117.9    21.3
2009 10 14    13 44.66   +51 28.1    0.0331   0.981    59.8   118.5    21.7
2009 10 16    13 52.62   +50 08.1    0.0379   0.978    59.3   118.8    22.0

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-S51

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