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  • MPEC 2009-B78 : 2009 BG58

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    M.P.E.C. 2009-B78                                Issued 2009 Jan. 30, 22:40 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 BG58
    
    Observations:
         K09B58G* C2009 01 28.36689 10 26 44.23 +25 13 04.8          18.9 V EB078703
         K09B58G  C2009 01 28.37196 10 26 53.23 +25 13 06.7          19.0 V EB078703
         K09B58G  C2009 01 28.37684 10 27 01.98 +25 13 08.7          19.2 V EB078703
         K09B58G  C2009 01 28.38163 10 27 10.44 +25 13 10.3          18.7 V EB078703
         K09B58G  C2009 01 28.41971 10 28 17.40 +25 13 16.8          18.8 V EB078703
         K09B58G  C2009 01 28.42023 10 28 18.37 +25 13 16.7          18.9 V EB078703
         K09B58G  C2009 01 28.42086 10 28 19.41 +25 13 16.5          18.6 V EB078703
         K09B58G  C2009 01 28.42227 10 28 21.90 +25 13 16.2          19.0 V EB078703
         K09B58G  C2009 01 28.47660 10 29 56.83 +25 13 08.0          19.0 V EB078703
         K09B58G  C2009 01 28.47721 10 29 57.98 +25 13 07.3          18.7 V EB078703
         K09B58G  C2009 01 28.47782 10 29 58.95 +25 13 06.5          18.8 V EB078703
         K09B58G  C2009 01 28.47847 10 30 00.07 +25 13 07.8          19.1 V EB078703
         K09B58G  C2009 01 29.28791 10 53 07.65 +25 07 42.3          19.6 V EB078G96
         K09B58G  C2009 01 29.28824 10 53 08.16 +25 07 42.5          19.0 V EB078G96
         K09B58G  C2009 01 29.28849 10 53 08.48 +25 07 42.2          19.2 V EB078G96
         K09B58G  C2009 01 29.28883 10 53 08.95 +25 07 42.2          19.1 V EB078G96
         K09B58G  C2009 01 29.29885 10 53 21.77 +25 07 35.4          18.8 R EB078H01
         K09B58G tC2009 01 29.30012 10 53 25.12 +25 07 41.1          19.6 V EB078291
         K09B58G tC2009 01 29.30429 10 53 30.95 +25 07 39.9          19.3 V EB078291
         K09B58G  C2009 01 29.30446 10 53 29.61 +25 07 33.2          18.7 R EB078H01
         K09B58G tC2009 01 29.30841 10 53 36.70 +25 07 38.1          20.2 V EB078291
         K09B58G  C2009 01 29.32656 10 54 01.33 +25 07 29.4          19.4 V EB078703
         K09B58G  C2009 01 29.33149 10 54 07.00 +25 07 20.6          19.1 R EB078H01
         K09B58G  C2009 01 29.33281 10 54 10.04 +25 07 26.2          18.9 V EB078703
         K09B58G  C2009 01 29.33556 10 54 12.60 +25 07 18.4          19.2 R EB078H01
         K09B58G  C2009 01 29.33899 10 54 18.54 +25 07 22.8          19.2 V EB078703
         K09B58G  C2009 01 29.34436 10 54 25.99 +25 07 23.7          19.4 R EB078651
         K09B58G  C2009 01 29.34531 10 54 27.10 +25 07 20.3          18.9 V EB078703
         K09B58G  C2009 01 29.34564 10 54 27.83 +25 07 23.6          19.5 R EB078651
         K09B58G  C2009 01 29.34629 10 54 28.70 +25 07 23.2          19.5 R EB078651
         K09B58G  C2009 01 29.42674 10 56 12.29 +25 05 32.0          19.2 R EB078H36
         K09B58G  C2009 01 29.43025 10 56 16.95 +25 05 28.2          19.0 R EB078H36
         K09B58G  C2009 01 29.43378 10 56 21.75 +25 05 24.2          19.2 R EB078H36
         K09B58G  C2009 01 29.53221 10 58 36.64 +25 04 10.7          20.1 R EB078926
         K09B58G  C2009 01 29.53488 10 58 40.17 +25 04 07.1          19.9 R EB078926
         K09B58G  C2009 01 29.53756 10 58 43.71 +25 04 03.0          19.8 R EB078926
         K09B58G  C2009 01 29.90803 11 07 32.26 +24 55 45.4          19.5 V EB078611
         K09B58G  C2009 01 29.91491 11 07 40.81 +24 55 40.8          19.4 V EB078611
         K09B58G  C2009 01 30.05433 11 10 30.59 +24 54 35.5          19.4 C EB078493
         K09B58G  C2009 01 30.05530 11 10 31.66 +24 54 34.7          19.3 C EB078493
         K09B58G  C2009 01 30.05628 11 10 32.79 +24 54 33.7          19.2 C EB078493
         K09B58G  C2009 01 30.12067 11 11 42.04 +24 52 35.1                 EB078204
         K09B58G  C2009 01 30.12578 11 11 47.80 +24 52 28.1          19.2 C EB078204
         K09B58G  C2009 01 30.13088 11 11 53.52 +24 52 21.0                 EB078204
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    493 Calar Alto.  Observer F. Hormuth.  1.23-m reflector + CCD.
    611 Starkenburg.  Observers M. Busch, T. Haeusler, A. Heller.  0.45-m f/4.4
        reflector + CCD.
    651 Grasslands Observatory, Tucson.  Observer J. E. McGaha.  0.62-m f/5.1
        Newtonian reflector + CCD.
    703 Catalina Sky Survey.  Observer R. E. Hill.  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.
    926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  Measurer
        P. R. Holvorcem.  0.81-m f/7 Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer R. A. Kowalski.  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.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    
    Orbital elements:
    2009 BG58                                                Earth MOID = 0.0145 AU
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M 343.99679              (2000.0)            P               Q
    n   0.33826132     Peri.  349.08300     -0.41179616     -0.90847787
    a   2.0400203      Node   125.19756     +0.84252003     -0.40939602
    e   0.5122683      Incl.    5.00960     +0.34725196     -0.08404085
    P   2.91           H   26.0           G   0.15           U   6
    Residuals in seconds of arc
    090128 703  0.8-  0.1+    090129 G96  0.6+  0.5-    090129 H36  0.3+  0.8-
    090128 703  0.8-  0.0     090129 H01  0.6+  0.1-    090129 H36  0.7-  0.5-
    090128 703  0.6+  0.3+    090129 291  0.6+  0.3+    090129 H36  0.1-  0.4-
    090128 703  0.5+  0.4+    090129 291  0.5+  0.5+    090129 926  0.4-  0.1-
    090128 703  0.2-  0.4+    090129 H01  0.6+  0.1-    090129 926  0.6-  0.2+
    090128 703  0.6+  0.3+    090129 291  0.4+  0.2+    090129 926  1.0-  0.1+
    090128 703  0.3-  0.1+    090129 703  2.6-  0.6+    090129 611  0.1-  0.5-
    090128 703  0.0   0.3-    090129 H01  0.0   0.0     090129 611  0.2+  0.4-
    090128 703  0.1-  0.5-    090129 703  1.2-  0.4+    090130 493  0.2+  0.3-
    090128 703  1.1+  1.0-    090129 H01  0.2+  0.0     090130 493  0.2-  0.2-
    090128 703  0.2-  1.6-    090129 703  1.0-  0.2+    090130 493  0.0   0.2-
    090128 703  0.4-  0.1-    090129 651  0.1+  0.4-    090130 204  0.6+  0.5-
    090129 G96  0.6+  0.7-    090129 703  2.3-  1.1+    090130 204  0.6+  0.5-
    090129 G96  1.2+  0.4-    090129 651  1.4+  0.2+    090130 204  0.3+  0.6-
    090129 G96  0.8+  0.6-    090129 651  1.2+  0.2+
    
    Ephemeris:
    2009 BG58                a,e,i = 2.04, 0.51, 5                   q = 0.9950
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2009 01 29    10 45.35   +25 12.2    0.0252   1.007   151.4    27.9    19.3
    2009 01 30    11 09.25   +24 56.9    0.0285   1.009   146.9    32.2    19.7
    2009 01 31    11 27.82   +24 34.8    0.0321   1.011   143.6    35.3    20.0
    2009 02 01    11 42.43   +24 11.0    0.0358   1.013   141.1    37.6    20.3
    2009 02 02    11 54.09   +23 47.8    0.0396   1.016   139.3    39.2    20.6
    2009 02 03    12 03.54   +23 26.1    0.0435   1.018   138.0    40.4    20.8
    2009 02 04    12 11.29   +23 06.4    0.0474   1.021   137.1    41.1    21.0
    2009 02 05    12 17.71   +22 48.5    0.0514   1.024   136.4    41.6    21.2
    2009 02 06    12 23.09   +22 32.4    0.0555   1.027   136.1    41.8    21.4
    2009 02 07    12 27.62   +22 17.9    0.0595   1.030   135.8    41.8    21.6
    2009 02 08    12 31.47   +22 04.8    0.0636   1.033   135.8    41.7    21.7
    2009 02 09    12 34.74   +21 53.0    0.0678   1.036   135.9    41.5    21.9
    2009 02 10    12 37.53   +21 42.3    0.0719   1.040   136.1    41.2    22.0
    2009 02 11    12 39.92   +21 32.7    0.0761   1.043   136.3    40.8    22.1
    2009 02 12    12 41.96   +21 23.9    0.0802   1.047   136.7    40.3    22.2
    2009 02 13    12 43.69   +21 15.8    0.0845   1.051   137.1    39.8    22.3
    2009 02 14    12 45.16   +21 08.5    0.0887   1.055   137.6    39.2    22.4
    2009 02 15    12 46.40   +21 01.7    0.0929   1.059   138.1    38.5    22.5
    2009 02 16    12 47.43   +20 55.4    0.0972   1.063   138.7    37.9    22.6
    2009 02 17    12 48.28   +20 49.5    0.101    1.067   139.3    37.2    22.7
    2009 02 18    12 48.96   +20 44.0    0.106    1.071   139.9    36.4    22.8
    
    Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-B78
    

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