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  • MPEC 2023-B121 : 2023 BW2

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    M.P.E.C. 2023-B121                             Issued 2023 January 26, 06:41 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 BW2                                 
    
    
    Observations:
         K23B02W*KC2023 01 20.87144 04 33 44.83 +16 01 13.3          20.9 GVEB121J43
         K23B02W KC2023 01 20.88022 04 33 49.85 +16 01 23.7          20.9 GVEB121J43
         K23B02W KC2023 01 20.88901 04 33 54.90 +16 01 33.3          20.4 GVEB121J43
         K23B02W KC2023 01 21.87634 04 44 04.60 +16 19 32.1          20.5 GVEB121J43
         K23B02W KC2023 01 21.88815 04 44 11.40 +16 19 44.3          20.7 GVEB121J43
         K23B02W KC2023 01 21.90018 04 44 18.36 +16 19 56.8          20.7 GVEB121J43
         K23B02W KC2023 01 23.92436805 05 16.27 +16 51 05.3          21.0 GVEB121L01
         K23B02W KC2023 01 23.92954805 05 19.38 +16 51 10.5          20.9 GVEB121L01
         K23B02W KC2023 01 23.93131505 05 20.41 +16 51 11.0          20.8 GVEB121L01
         K23B02W KC2023 01 23.93327505 05 21.62 +16 51 11.9          20.9 GVEB121L01
         K23B02W  C2023 01 25.18084705 18 23.152+17 07 24.10         21.1 GVEB121654
         K23B02W  C2023 01 25.20824905 18 39.004+17 07 43.10         20.9 GVEB121654
         K23B02W  C2023 01 25.24705405 19 01.463+17 08 08.48         21.0 GVEB121654
         K23B02W KC2023 01 26.07852105 27 41.73 +17 16 48.2          20.7 GXEB121858
         K23B02W KC2023 01 26.08707705 27 46.72 +17 16 54.1          21.4 GXEB121858
         K23B02W KC2023 01 26.09479705 27 51.19 +17 16 59.7          21.0 GXEB121858
    
    Observer details:
    654 Table Mountain Observatory, Wrightwood-PHMC.  Observers N. Evans, P. Choi,
        N. Saini, C. Zhai, R. Trahan, M. Shao.  1.0-m Reflector + CCD.
    858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
        Schmidt-Cassegrain + CCD.
    J43 Oukaimeden Observatory, Marrakech.  Observers M. Ory, C. Rinner.  0.5-m
        f/3 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2023 BW2                                                 Earth MOID = 0.0362 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Bell                    
    M  25.64397              (2000.0)            P               Q                  
    n   0.50665625     Peri.  232.00722     -0.17393550     -0.98474015             
    a   1.5583336      Node   228.01052     +0.90591224     -0.15771009             
    e   0.3457747      Incl.    0.44464     +0.38609514     -0.07358230             
    P   1.95           H   25.03          G   0.15           U   8                  
    Residuals in seconds of arc
    230120 J43  0.6-  0.2-    230123 L01  0.6-  0.4-    230125 654  0.1+  0.0
    230120 J43  0.2-  0.2+    230123 L01  0.0   0.9+    230126 858  0.6-  0.3-
    230120 J43  0.6+  0.2-    230123 L01  0.3-  0.1+    230126 858  0.4-  0.2-
    230121 J43  0.0   0.0     230123 L01  0.3+  0.4-    230126 858  0.6-  0.2+
    230121 J43  0.2+  0.2-    230125 654  0.1+  0.0
    230121 J43  0.8+  0.1-    230125 654  0.1+  0.0
    
    Ephemeris:
    2023 BW2                 a,e,i = 1.56, 0.35, 0                   q = 1.0195
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 12 27    01 39 56.8 +07 11 24   0.1005  1.0236   110.9    63.9    22.4
    ...
    2023 01 11    03 03 31.4 +12 11 40   0.07830 1.0210   116.7    59.4    21.7
    ...
    2023 01 19    04 14 51.1 +15 23 47   0.07286 1.0285   126.1    50.6    21.3
    ...
    2023 01 25    05 16 29.3 +17 05 52   0.07417 1.0381   134.8    42.3    21.1
    2023 01 26    05 26 49.0 +17 16 42   0.07491 1.0400   136.3    40.9    21.1
    2023 01 27    05 37 02.8 +17 25 37   0.07580 1.0420   137.7    39.5    21.1
    ...
    2023 02 02    06 34 22.6 +17 41 39   0.08425 1.0557   145.3    32.1    21.1
    ...
    2023 02 10    07 34 55.5 +16 56 36   0.1030  1.0785   151.7    25.7    21.4
    ...
    2023 02 25    08 45 00.8 +14 50 01   0.1568  1.1325   153.7    22.8    22.4
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-B121
    


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