• Processing (Info)

    • MPEC 2009-H52 : 2009 HX51

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    Read MPEC 2009-H51 Read MPEC 2009-H53 

    M.P.E.C. 2009-H52                                Issued 2009 Apr. 24, 16:12 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 HX51

Observations:
     K09H51X* C2009 04 23.35742 13 56 05.38 +22 26 53.9          20.1 V EH052703
     K09H51X  C2009 04 23.36633 13 56 04.09 +22 26 23.4          19.8 V EH052703
     K09H51X  C2009 04 23.37521 13 56 02.90 +22 25 50.8          19.9 V EH052703
     K09H51X  C2009 04 23.38412 13 56 01.64 +22 25 22.6          19.7 V EH052703
     K09H51X  C2009 04 23.41905 13 55 56.78 +22 23 17.7          20.1 V EH052703
     K09H51X  C2009 04 23.42751 13 55 55.56 +22 22 47.5          20.6 V EH052703
     K09H51X  C2009 04 23.43599 13 55 54.44 +22 22 17.6          20.2 V EH052703
     K09H51X  C2009 04 23.44454 13 55 53.32 +22 21 47.1          19.5 V EH052703
     K09H51X  C2009 04 23.86996 13 55 01.38 +21 57 08.4          19.9 V EH052611
     K09H51X  C2009 04 23.87805 13 55 00.22 +21 56 41.1          20.2 V EH052611
     K09H51X  C2009 04 23.90680 13 54 56.38 +21 55 02.6          19.7 R EH052A13
     K09H51X  C2009 04 23.92777 13 54 53.57 +21 53 50.2          19.6 R EH052A13
     K09H51X  C2009 04 24.22906 13 54 16.32 +21 36 42.8          20.3 V EH052291
     K09H51X  C2009 04 24.23305 13 54 15.77 +21 36 29.2          20.3 V EH052291
     K09H51X  C2009 04 24.23729 13 54 15.20 +21 36 14.8          20.3 V EH052291
     K09H51X 1C2009 04 24.24622 13 54 14.18 +21 35 35.6                 EH052658
     K09H51X 1C2009 04 24.24843 13 54 13.89 +21 35 28.1                 EH052658
     K09H51X 1C2009 04 24.25062 13 54 13.60 +21 35 20.6                 EH052658
     K09H51X  C2009 04 24.33774 13 54 01.68 +21 30 30.3          19.8 R EH052854
     K09H51X  C2009 04 24.34544 13 54 00.61 +21 30 06.6          19.9 R EH052854
     K09H51X  C2009 04 24.35311 13 53 59.58 +21 29 39.2          19.8 R EH052854

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
611 Starkenburg.  Observer M. Busch.  0.45-m f/4.4 reflector + CCD.
658 National Research Council of Canada.  Observers D. D. Balam, E. Chisholm.
    Measurer D. D. Balam.  1.82-m Plaskett telescope + CCD.
703 Catalina Sky Survey.  Observer E. Beshore.  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.  0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
A13 Observatoire Naef, Marly.  Observer P. Kocher.  0.5-m f/3.3 Hypergraph
    + CCD.

Orbital elements:
2009 HX51                                           PHA, Earth MOID = 0.0140 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M  74.27782              (2000.0)            P               Q
n   0.53740111     Peri.   53.85985     -0.48924349     -0.85270772
a   1.4983169      Node    66.41622     +0.72218263     -0.51380149
e   0.4057819      Incl.   11.52533     +0.48897142     -0.09432696
P   1.83           H   21.1           G   0.15           U   9
Residuals in seconds of arc
090423 703  0.2+  0.6-    090423 703  0.9+  0.9-    090424 291  0.0   0.4-
090423 703  0.3-  0.2+    090423 611  2.0+  0.2+    090424 658  0.7+  0.3-
090423 703  0.5+  1.3-    090423 611  0.9+  0.6+    090424 658  0.7+  0.3-
090423 703  0.3+  1.8+    090423 A13  0.2+  0.7-    090424 658  0.6+  0.3-
090423 703  0.3+  0.2-    090423 A13  0.5+  1.2-    090424 854  0.9+  1.4-
090423 703  0.4-  0.6-    090424 291  0.2+  0.4-    090424 854  0.4+  1.3+
090423 703  0.2+  0.6-    090424 291  0.0   0.4-    090424 854  0.4+  0.3+

Ephemeris:
2009 HX51                a,e,i = 1.50, 0.41, 12                  q = 0.8903
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 04 19    14 06.67   +26 50.1    0.260    1.219   141.8    30.6    19.9
2009 04 29    13 45.63   +17 17.4    0.314    1.282   146.8    25.5    20.3
2009 05 09    13 34.36   +09 36.9    0.385    1.344   145.2    25.4    20.8
2009 05 19    13 30.11   +03 35.6    0.470    1.405   139.9    27.7    21.4
2009 05 29    13 31.01   -01 11.0    0.569    1.464   133.3    30.2    22.0

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-H52

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