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  • MPEC 2023-W44 : 2023 WB1

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    M.P.E.C. 2023-W44                             Issued 2023 November 20, 06:46 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 WB1                                 
    
    
    Observations:
         K23W01B*KC2023 11 18.18508 04 00 54.72 -15 33 02.1          18.6 GVEW044W94
         K23W01B KC2023 11 18.19149 04 00 51.07 -15 33 45.2          19.7 GVEW044W94
         K23W01B KC2023 11 18.19714 04 00 47.74 -15 34 23.6          19.5 GVEW044W94
         K23W01B KC2023 11 18.32191 03 59 35.46 -15 48 25.2                VEW044X10
         K23W01B KC2023 11 18.32726 03 59 32.39 -15 49 01.1          19.5 GVEW044X10
         K23W01B KC2023 11 18.33261 03 59 29.30 -15 49 36.9                VEW044X10
         K23W01B KC2023 11 18.43230303 58 39.27 -16 00 22.6          19.9 GVEW044474
         K23W01B KC2023 11 18.43976903 58 35.06 -16 01 12.4          19.8 GVEW044474
         K23W01B KC2023 11 18.44103803 58 34.34 -16 01 20.8          19.8 GVEW044474
         K23W01B KC2023 11 18.44352603 58 32.94 -16 01 37.5          20.0 GVEW044474
         K23W01B KC2023 11 18.44477003 58 32.25 -16 01 45.6          19.8 GVEW044474
         K23W01B KC2023 11 18.51968 03 57 51.22 -16 10 08.8          19.6 VqEW044E23
         K23W01B KC2023 11 18.53913 03 57 40.27 -16 12 15.7          19.6 VqEW044E23
         K23W01B KC2023 11 18.55857 03 57 29.37 -16 14 22.7          20.0 VqEW044E23
         K23W01B KC2023 11 18.57885903 57 16.87 -16 16 25.0          20.0 GVEW044474
         K23W01B KC2023 11 18.58134703 57 15.48 -16 16 41.3          20.1 GVEW044474
         K23W01B KC2023 11 18.58383503 57 14.10 -16 16 57.2          20.0 GVEW044474
         K23W01B KC2023 11 18.58756803 57 12.03 -16 17 21.3          19.9 GVEW044474
         K23W01B KC2023 11 18.96303 03 53 54.19 -16 58 10.9          19.8 GVEW044104
         K23W01B KC2023 11 18.97057 03 53 50.09 -16 58 57.2          19.5 GVEW044104
         K23W01B KC2023 11 18.97786303 53 45.99 -16 59 41.3          19.6 GVEW044L01
         K23W01B KC2023 11 18.97910003 53 45.31 -16 59 49.3          19.7 GVEW044L01
         K23W01B KC2023 11 18.98033703 53 44.66 -16 59 56.8          19.9 GVEW044L01
         K23W01B KC2023 11 18.98157403 53 44.00 -17 00 05.0          19.8 GVEW044L01
         K23W01B KC2023 11 19.20325 03 51 49.91 -17 21 25.4          19.2 GVEW044W94
         K23W01B KC2023 11 19.20952 03 51 46.58 -17 22 02.3          19.0 GVEW044W94
         K23W01B KC2023 11 19.21577 03 51 43.19 -17 22 39.7          19.2 GVEW044W94
         K23W01B KC2023 11 20.24925 03 43 21.48 -18 57 51.9          19.8 GVEW044X10
         K23W01B KC2023 11 20.25462 03 43 18.90 -18 58 19.7          19.2 GVEW044X10
         K23W01B KC2023 11 20.25995 03 43 16.34 -18 58 45.8          18.7 GVEW044X10
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri, M. D.
        Grazia.  Measurers P. Bacci, L. Tesi, G. Fagioli.  0.60-m F4 Reflector +
        CCD.
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
        Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Pujagic, V. Dobos.
        Measurers K. Korlevic, D. Pujagic.  1.0-m f/2.9 reflector + CCD.
    W94 MAP, San Pedro de Atacama.  Observers A. Maury, G. Attard.  Measurers D.
        Parrott, F. Signoret, J.-M. Mari.  0.28-m f/2.2 Schmidt astrograph + CCD.
    X10 OVTLN, San Pedro de Atacama.  Observers A. Maury, G. Attard, F. Signoret.
        Measurers A. Maury, G. Attard, D. Parrott, J.-M. Mari.  0.50-m f/4
        reflector + CCD.
    
    Orbital elements:
    2023 WB1                                                 Earth MOID = 0.0429 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
    M  28.68136              (2000.0)            P               Q                  
    n   1.24370927     Peri.   39.39271     -0.11304861     +0.90465778             
    a   0.8563608      Node   228.58635     -0.99226738     -0.12411842             
    e   0.4507020      Incl.   33.22038     -0.05123929     +0.40766276             
    P   0.79           H   22.44          G   0.15           U   8                  
    Residuals in seconds of arc
    231118 W94  0.8-  0.8-    231118 474  0.0   0.2-    231118 L01  0.2-  0.8+
    231118 W94  0.6+  0.0     231118 E23  0.3-  0.2-    231118 L01  0.4-  0.3+
    231118 W94  0.3+  0.3+    231118 E23  0.1-  0.6+    231118 L01  0.2-  0.4+
    231118 X10  0.1-  0.2+    231118 E23  0.6+  0.6+    231118 L01  0.1-  0.2-
    231118 X10  0.3-  0.1-    231118 474  0.1-  0.2-    231119 W94  0.2-  0.1-
    231118 X10  1.0-  0.4-    231118 474  0.1-  0.4-    231119 W94  0.1-  0.3+
    231118 474  0.0   0.2-    231118 474  0.0   0.3-    231119 W94  0.9-  0.1-
    231118 474  0.1-  0.2-    231118 474  0.2+  0.2-    231120 X10  0.0   0.1-
    231118 474  0.1-  0.2-    231118 104  0.6+  0.5-    231120 X10  0.1+  0.6-
    231118 474  0.1-  0.3-    231118 104  0.1+  0.5-    231120 X10  0.2+  0.5+
    
    Ephemeris:
    2023 WB1                 a,e,i = 0.86, 0.45, 33                  q = 0.4704
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 10 21    10 57 16.8 +45 24 05   0.2165  0.9318    66.8   100.9    22.6
    ...
    2023 11 05    07 32 58.4 +30 20 24   0.1043  1.0346   111.6    63.0    19.8
    ...
    2023 11 13    05 02 59.6 -01 29 29   0.1075  1.0808   146.2    30.6    19.1
    ...
    2023 11 19    03 53 35.2 -17 01 01   0.1488  1.1115   143.4    32.0    19.9
    2023 11 20    03 45 19.7 -18 36 10   0.1574  1.1163   141.9    33.1    20.1
    2023 11 21    03 37 48.7 -19 58 55   0.1663  1.1210   140.3    34.3    20.2
    ...
    2023 11 27    03 04 44.7 -25 13 12   0.2243  1.1473   131.3    40.3    21.1
    ...
    2023 12 05    02 40 52.2 -27 53 21   0.3077  1.1773   121.8    45.3    22.0
    ...
    2023 12 20    02 25 09.9 -28 12 14   0.4683  1.2180   108.8    49.9    23.1
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-W44
    


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