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  • MPEC 2023-C23 : 2023 BF9

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    M.P.E.C. 2023-C23                              Issued 2023 February 2, 21:35 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  They are published
        on behalf of Division F 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2023 BF9                                 
    
    
    Observations:
         K23B09F*3C2023 01 17.22496923 19 28.814+04 52 45.34         23.4 rVEC023T09
         K23B09F 3C2023 01 17.23916723 19 28.954+04 52 45.73         23.6 rVEC023T09
         K23B09F 3C2023 01 17.25330823 19 29.093+04 52 46.49         23.7 rVEC023T09
         K23B09F 3C2023 01 17.26746523 19 29.232+04 52 47.06         23.6 rVEC023T09
         K23B09F 3C2023 01 18.22993623 19 38.736+04 53 30.41         23.4 VVEC023T09
         K23B09F 3C2023 01 18.24120723 19 38.837+04 53 30.48         23.5 VVEC023T09
         K23B09F 3C2023 01 18.25251423 19 38.945+04 53 31.20         23.5 VVEC023T09
         K23B09F 3C2023 01 20.22613923 19 58.863+04 55 03.64         22.94GVEC023T14
         K23B09F 3C2023 01 20.22769623 19 58.874+04 55 04.05         23.56GVEC023T14
         K23B09F 3C2023 01 20.22925123 19 58.914+04 55 04.11         23.42GVEC023T14
         K23B09F 3C2023 01 20.23080823 19 58.904+04 55 04.18         23.10GVEC023T14
         K23B09F 3C2023 01 20.23903323 19 58.989+04 55 04.46         23.56GVEC023T14
         K23B09F 3C2023 01 20.24059223 19 58.999+04 55 04.64         23.91GVEC023T14
         K23B09F 3C2023 01 20.24215823 19 59.038+04 55 04.81         23.41GVEC023T14
         K23B09F 3C2023 01 20.24392323 19 59.047+04 55 04.84         22.70GVEC023T14
         K23B09F 3C2023 01 21.23169623 20 09.223+04 55 52.90         24.1 rVEC023T09
         K23B09F 3C2023 01 21.24016123 20 09.305+04 55 53.33         23.5 rVEC023T09
         K23B09F 3C2023 01 21.24860123 20 09.391+04 55 53.83         23.7 rVEC023T09
         K23B09F 3C2023 01 21.25707823 20 09.485+04 55 54.19         23.5 rVEC023T09
         K23B09F 3C2023 01 23.23209223 20 30.268+04 57 34.35         23.01GVEC023T14
         K23B09F 3C2023 01 23.23365123 20 30.285+04 57 34.44         23.39GVEC023T14
         K23B09F 3C2023 01 23.23520723 20 30.294+04 57 34.52         23.04GVEC023T14
    
    Observer details:
    T09 Subaru Telescope, Maunakea.  Observer J. Kleyna.  8.20000-m Reflector +
        CCD.
    T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, A.
        Acohido, T. Burdullis, H. Januszewski.  Measurers R. Weryk, R. Wainscoat.
        3.6-m Canada-France-Hawaii Telescope + CCD.
    
    Orbital elements:
    2023 BF9                                                                        
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Bell                    
    M 105.41610              (2000.0)            P               Q                  
    n   0.01288618     Peri.  301.52807     -0.32833676     +0.93061953             
    a  18.0185559      Node   308.42961     -0.78147217     -0.36378628             
    e   0.0090293      Incl.   11.91129     -0.53056218     -0.04008530             
    P  76.5            H   10.66          G   0.15           U   9                  
    Residuals in seconds of arc
    230117 T09  0.0   0.2+    230120 T14  0.1-  0.1+    230121 T09  0.1-  0.0
    230117 T09  0.0   0.1-    230120 T14  0.3+  0.1+    230121 T09  0.1-  0.0
    230117 T09  0.0   0.1+    230120 T14  0.1-  0.1+    230121 T09  0.0   0.0
    230117 T09  0.0   0.0     230120 T14  0.1-  0.0     230123 T14  0.0   0.0
    230118 T09  0.1+  0.1+    230120 T14  0.2-  0.1+    230123 T14  0.0   0.0
    230118 T09  0.0   0.4-    230120 T14  0.2+  0.2+    230123 T14  0.1-  0.0
    230118 T09  0.1-  0.1-    230120 T14  0.0   0.1+
    230120 T14  0.0   0.2-    230121 T09  0.0   0.1-
    
    Ephemeris:
    2023 BF9                 a,e,i = 18.02, 0.01, 12                 q = 17.8559
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 01 03    23 17 26.0 +04 44 30  18.3687 18.0613    70.3     2.9    23.6
    ...
    2023 01 18    23 19 36.5 +04 53 20  18.5964 18.0618    55.8     2.6    23.6
    ...
    2023 01 26    23 21 00.3 +05 00 03  18.7039 18.0621    48.2     2.3    23.6
    ...
    2023 02 01    23 22 08.7 +05 05 56  18.7766 18.0623    42.5     2.1    23.6
    2023 02 02    23 22 20.5 +05 06 59  18.7879 18.0623    41.6     2.1    23.6
    2023 02 03    23 22 32.4 +05 08 03  18.7991 18.0624    40.6     2.0    23.6
    ...
    2023 02 09    23 23 46.1 +05 14 50  18.8615 18.0626    35.0     1.8    23.5
    ...
    2023 02 17    23 25 29.3 +05 24 48  18.9317 18.0629    27.7     1.5    23.5
    ...
    2023 03 04    23 28 53.7 +05 46 00  19.0197 18.0634    14.9     0.8    23.5
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-C23
    


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