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  • MPEC 2009-O04 : 2009 OC

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    M.P.E.C. 2009-O04                                Issued 2009 July 17, 11:12 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 OC
    
    Observations:
         K09O00C* C2009 07 16.86991 20 31 04.90 +05 37 28.7          18.5 V EO004J75
         K09O00C  C2009 07 16.88310 20 31 06.79 +05 37 38.0          18.1 V EO004J75
         K09O00C  C2009 07 16.89617 20 31 08.63 +05 37 48.1          18.4 V EO004J75
         K09O00C  C2009 07 16.98065 20 31 19.90 +05 38 48.9          18.3 C EO004B40
         K09O00C  C2009 07 16.98426 20 31 20.50 +05 38 46.7          18.5 R EO004587
         K09O00C  C2009 07 16.98572 20 31 20.70 +05 38 47.7          18.5 R EO004587
         K09O00C  C2009 07 16.98701 20 31 20.88 +05 38 48.3          18.7 R EO004587
         K09O00C  C2009 07 16.99731 20 31 22.17 +05 39 00.8          18.1 C EO004B40
         K09O00C  C2009 07 17.01110 20 31 24.08 +05 39 07.6          17.7 C EO004A81
         K09O00C  C2009 07 17.02416 20 31 25.87 +05 39 16.2          18.2 C EO004A81
         K09O00C  C2009 07 17.05974 20 31 30.75 +05 39 44.3          18.2 C EO004B40
         K09O00C  C2009 07 17.07656 20 31 35.92 +05 40 41.9          18.0 C EO004I19
         K09O00C  C2009 07 17.07969 20 31 33.56 +05 39 57.0                 EO004B40
         K09O00C  C2009 07 17.08547 20 31 37.17 +05 40 48.2          17.8 C EO004I19
         K09O00C  C2009 07 17.09437 20 31 38.42 +05 40 54.7          17.7 C EO004I19
         K09O00C  C2009 07 17.09912 20 31 36.23 +05 40 11.5                 EO004B40
         K09O00C  C2009 07 17.12838 20 31 43.64 +05 40 27.8          18.5 V EO004H26
         K09O00C  C2009 07 17.13074 20 31 43.92 +05 40 30.0          18.8 V EO004H26
         K09O00C  C2009 07 17.13310 20 31 44.31 +05 40 31.7          18.3 V EO004H26
         K09O00C  C2009 07 17.16252 20 31 47.80 +05 41 44.8          18.4 C EO004I20
         K09O00C  C2009 07 17.18267 20 31 50.56 +05 41 58.4          18.0 C EO004I20
         K09O00C  C2009 07 17.18707 20 31 51.16 +05 42 01.5          18.1 C EO004I20
         K09O00C  C2009 07 17.18866 20 31 52.88 +05 41 16.7                 EO004H10
         K09O00C  C2009 07 17.18992 20 31 53.05 +05 41 17.3                 EO004H10
         K09O00C  C2009 07 17.19112 20 31 53.13 +05 41 17.5                 EO004H10
         K09O00C  C2009 07 17.19216 20 31 51.85 +05 42 05.1          18.1 C EO004I20
         K09O00C  C2009 07 17.21903 20 31 57.03 +05 41 38.0          18.7 C EO004H10
         K09O00C  C2009 07 17.22051 20 31 57.29 +05 41 38.5          18.7 C EO004H10
         K09O00C  C2009 07 17.22108 20 31 57.41 +05 41 38.5          18.0 R EO004H01
         K09O00C  C2009 07 17.22197 20 31 57.47 +05 41 39.2          18.2 C EO004H10
         K09O00C  C2009 07 17.22344 20 31 57.76 +05 41 40.1          18.4 C EO004H10
         K09O00C  C2009 07 17.22513 20 31 57.98 +05 41 41.4          17.9 R EO004H01
         K09O00C  C2009 07 17.22895 20 31 58.51 +05 41 44.1          17.9 R EO004H01
         K09O00C  C2009 07 17.23277 20 31 58.56 +05 41 42.5          17.9 R EO004H36
         K09O00C  C2009 07 17.23358 20 31 59.16 +05 41 47.4          18.0 R EO004H01
         K09O00C  C2009 07 17.23736 20 31 59.68 +05 41 50.0          18.2 R EO004H01
         K09O00C  C2009 07 17.24320 20 32 00.02 +05 41 51.0          18.5 R EO004H36
         K09O00C  C2009 07 17.24469 20 32 00.23 +05 41 52.0          18.4 R EO004H36
         K09O00C  C2009 07 17.25280 20 32 01.32 +05 41 58.2          18.0 R EO004H36
         K09O00C  C2009 07 17.41535 20 32 24.12 +05 43 53.3          18.7 R EO004H01
         K09O00C  C2009 07 17.42149 20 32 24.97 +05 43 57.5          18.7 R EO004H01
         K09O00C  C2009 07 17.42495 20 32 25.45 +05 43 59.8          18.6 R EO004H01
    
    Observer details:
    587 Sormano.  Observers F. Manca, A. Testa.  Measurer F. Manca.  0.5-m f/6.8
        reflector + CCD.
    A81 Balzaretto Observatory, Rome.  Observer L. Franco.  0.20-m f/5.3 reflector
        + CCD.
    B40 Skylive Observatory, Catania.  Observers P. Camilleri, E. Guido,
        E. Prosperi, G. Sostero.  Measurer E. Prosperi.  0.30-m f/6
        Schmidt-Cassegrain + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H10 Tzec Maun Observatory, Mayhill.  Observers L. Elenin, D. Chestnov.  0.21-m
        f/7.9 refractor + CCD, 0.36-m f/3.8 Maksutov-Newtonian + CCD.
    H26 Doc Greiner Research Observatory, Janesvillle.  Observer M. Mills.  0.4-m
        f/8 Schmidt-Cassegrain + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I19 Tanti.  Observer C. Colazo.  0.28-m f/10 Schmidt-Cassegrain + CCD + f/3.3
        focal reducer.
    I20 Rio Cuarto.  Observer F. D. Mazzone.  0.20-m f/4 Schmidt-Newtonian + CCD.
    J75 OAM Observatory, La Sagra.  Observers S. Sanchez, J. Nomen, R. Stoss,
        W. K. Y. Yeung, J. Rodriguez, A. Cikota, S. Cikota.  0.45-m f/2.8
        reflector + CCD.
    
    Orbital elements:
    2009 OC                                                  Earth MOID = 0.1926 AU
    Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
    M 346.89333              (2000.0)            P               Q
    n   0.29771482     Peri.  124.44535     +0.65272628     +0.75754787
    a   2.2212754      Node   186.32187     -0.71756873     +0.61467122
    e   0.4619778      Incl.    4.34614     -0.24298874     +0.21977378
    P   3.31           H   20.4           G   0.15           U   8
    Residuals in seconds of arc
    090716 J75  0.2-  0.1+    090717 I19  0.2-  0.2+    090717 H01  0.0   0.0
    090716 J75  0.3-  0.2-    090717 B40  1.1+  0.1+    090717 H10  0.5-  0.6-
    090716 J75  0.7-  0.5+    090717 H26  0.3+  0.2-    090717 H10  0.8+  0.8-
    090716 B40  0.9+  0.1+    090717 H26  0.5-  0.3+    090717 H01  0.0   0.1+
    090716 587  0.2-  0.2+    090717 H26  0.2+  0.3+    090717 H01  0.0   0.1+
    090716 587  0.2-  0.1+    090717 I20  0.4-  0.9+    090717 H36  0.4-  1.6-
    090716 587  0.2-  0.2-    090717 I20  0.3-  0.4+    090717 H01  0.1+  0.1+
    090716 B40  0.8+  0.2+    090717 I20  0.3-  0.4+    090717 H01  0.0   0.0
    090717 A81  0.5-  0.1-    090717 H10  0.8+  0.5+    090717 H36  0.1-  0.4-
    090717 A81  0.7-  0.7-    090717 H10  0.7+  0.2+    090717 H36  0.1-  0.5-
    090717 B40  0.9+  0.1+    090717 H10  0.6-  0.4-    090717 H36  0.5-  0.0
    090717 I19  0.2-  0.2+    090717 I20  0.4-  0.4+    090717 H01  0.2+  0.3+
    090717 B40  1.7+  1.0-    090717 H10  0.9-  0.2+    090717 H01  0.2+  0.4+
    090717 I19  0.2-  0.1+    090717 H10  0.1-  0.3-    090717 H01  0.1+  0.4+
    
    Ephemeris:
    2009 OC                  a,e,i = 2.22, 0.46, 4                   q = 1.1951
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 07 18    20 33.89   +05 50.8    0.210    1.204   151.0    24.2    18.5
    2009 07 28    20 59.80   +07 00.9    0.199    1.196   152.9    22.8    18.4
    2009 08 07    21 26.01   +06 45.4    0.197    1.197   156.3    19.9    18.3
    2009 08 17    21 50.52   +05 11.1    0.204    1.207   161.3    15.6    18.2
    2009 08 27    22 11.89   +02 44.6    0.221    1.227   166.8    10.8    18.2
    2009 09 06    22 29.92   +00 05.3    0.249    1.254   170.2     7.9    18.4
    2009 09 16    22 45.07   -02 15.5    0.289    1.290   167.6     9.7    18.9
    2009 09 26    22 58.35   -03 59.2    0.342    1.331   161.2    14.0    19.5
    2009 10 06    23 10.82   -04 59.4    0.408    1.378   154.0    18.5    20.1
    2009 10 16    23 23.11   -05 19.8    0.486    1.429   146.8    22.5    20.7
    2009 10 26    23 35.66   -05 06.3    0.577    1.483   139.8    25.7    21.2
    2009 11 05    23 48.73   -04 25.8    0.681    1.539   133.0    28.1    21.7
    
    Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-O04
    

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