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  • MPEC 2023-B140 : 2023 BG4

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    M.P.E.C. 2023-B140                             Issued 2023 January 27, 11:50 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 BG4                                 
    
    
    Observations:
         K23B04G* C2023 01 25.39472608 19 57.964-01 22 21.00         20.71wUEB140F52
         K23B04G  C2023 01 25.40690508 20 02.324-01 21 05.85         20.76wUEB140F52
         K23B04G  C2023 01 25.41909508 20 06.684-01 19 50.70         20.62wUEB140F52
         K23B04G  C2023 01 25.43133308 20 11.074-01 18 34.95         20.78wUEB140F52
         K23B04G  C2023 01 25.52703608 20 45.795-01 08 37.55         20.49GVEB140F52
         K23B04G  C2023 01 25.52766608 20 46.028-01 08 33.72         20.47GVEB140F52
         K23B04G IC2023 01 25.84865208 23 06.87 -00 34 51.2          20.9 GVEB140L01
         K23B04G IC2023 01 25.85074608 23 07.70 -00 34 36.6          20.2 GVEB140L01
         K23B04G KC2023 01 25.85286608 23 08.59 -00 34 22.1          20.0 GVEB140L01
         K23B04G KC2023 01 25.85379808 23 08.93 -00 34 16.4          20.0 GVEB140L01
         K23B04G |C2023 01 26.16554 08 25 22.33 +00 02 59.6          20.2 VuEB140807
         K23B04G |C2023 01 26.17313 08 25 25.41 +00 03 51.3          20.5 VuEB140807
         K23B04G |C2023 01 26.18072 08 25 28.47 +00 04 43.9          20.7 VuEB140807
         K23B04G  C2023 01 26.28836608 26 17.540+00 15 06.71         20.4 GVEB140654
         K23B04G  C2023 01 26.32294108 26 31.787+00 19 09.14         20.4 GVEB140654
         K23B04G  C2023 01 26.35739308 26 46.032+00 23 11.92         20.4 GVEB140654
         K23B04G |C2023 01 27.14299 08 33 07.68 +02 03 18.3          20.2 VuEB140807
         K23B04G |C2023 01 27.14488 08 33 08.58 +02 03 33.4          20.2 VuEB140807
         K23B04G |C2023 01 27.14676 08 33 09.49 +02 03 47.4          19.9 VuEB140807
         K23B04G KC2023 01 27.25236408 34 03.15 +02 15 35.5          20.1 GXEB140858
         K23B04G KC2023 01 27.25725508 34 05.46 +02 16 14.8          20.0 GXEB140858
         K23B04G KC2023 01 27.26249608 34 07.94 +02 16 56.9          19.7 GXEB140858
    
    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.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
    858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
        Schmidt-Cassegrain + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
        Smith, K. Chambers, T. Dukes.  Measurers K. Chambers, S. Chastel, T. de
        Boer, J. Fairlamb, H. Gao, M. Huber, C.-C. Lin, E. Magnier, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, M. Himelreich.
        Measurer K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2023 BG4                                                 Earth MOID = 0.0418 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 359.09901              (2000.0)            P               Q                  
    n   0.40970852     Peri.   31.13339     -0.94384627     -0.28300163             
    a   1.7953648      Node   131.42043     +0.23653108     -0.93907979             
    e   0.4481732      Incl.   13.14098     +0.23066701     -0.19503645             
    P   2.41           H   25.10          G   0.15           U   8                  
    Residuals in seconds of arc
    230125 F52  0.1+  0.2-    230125 L01  0.0   1.3+    230127 807  0.1-  0.1-
    230125 F52  0.1+  0.1-    230125 L01  0.4-  0.9+    230127 807  0.2+  0.1+
    230125 F52  0.1+  0.2-    230126 807  0.2-  0.4+    230127 807 (0.7+  0.8-)
    230125 F52  0.1+  0.2-    230126 807  0.1+  0.2-    230127 858  0.2+  0.1-
    230125 F52  0.0   0.1-    230126 807  0.2+  0.1+    230127 858  0.0   0.1-
    230125 F52  0.0   0.2-    230126 654  0.1-  0.3-    230127 858  0.2-  0.2-
    230125 L01  0.5-  0.1-    230126 654  0.1-  0.3-
    230125 L01  0.6-  0.7+    230126 654  0.1-  0.3-
    
    Ephemeris:
    2023 BG4                 a,e,i = 1.80, 0.45, 13                  q = 0.9907
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 12 28    07 17 21.4 -12 44 38   0.2627  1.2009   141.8    30.4    23.9
    ...
    2023 01 12    07 33 57.9 -11 52 09   0.1591  1.1194   146.4    29.1    22.6
    ...
    2023 01 20    07 53 38.9 -07 52 03   0.1096  1.0817   151.7    25.6    21.6
    ...
    2023 01 26    08 24 07.9 -00 16 50   0.07622 1.0568   160.7    17.9    20.6
    2023 01 27    08 31 52.7 +01 43 27   0.07120 1.0530   163.0    15.8    20.3
    2023 01 28    08 40 47.9 +04 02 10   0.06642 1.0492   165.6    13.5    20.1
    ...
    2023 02 03    10 16 00.2 +26 01 03   0.04588 1.0290   160.9    18.3    19.4
    ...
    2023 02 11    14 35 02.6 +46 33 25   0.05635 1.0082   110.8    66.2    21.2
    ...
    2023 02 26    17 19 18.9 +37 33 24   0.1283  0.9908    86.7    85.9    23.6
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-B140
    


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