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  • MPEC 2023-A22 : 2018 BV

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    M.P.E.C. 2023-A22                               Issued 2023 January 9, 14:06 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
    
                                     2018 BV                                 
    
    
                               Revision to MPEC 2018-B48                            
    
    Additional Observations:
         K18B00V KC2022 11 23.50063605 42 34.728-03 25 42.07         23.57GVEA022F51
         K18B00V KC2022 12 02.43198105 38 32.399-05 22 08.49         23.61GVEA022F51
         K18B00V KC2022 12 14.47992405 27 06.399-06 54 30.11         22.56GVEA022F52
         K18B00V |C2022 12 24.23050 05 14 32.73 -06 40 14.6          21.8 GVEA022807
         K18B00V |C2022 12 24.23476 05 14 32.34 -06 40 13.2          21.6 GVEA022807
         K18B00V |C2022 12 24.23882 05 14 31.97 -06 40 11.5          21.6 GVEA022807
    
    Observer details:
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
        Horn.  1.00-m f/10.0 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    221123 F51 0.05+ 0.01+    221224 807 0.08+ 0.00+    MPO446982   +0.04 days
    
    Orbital elements:
    2018 BV                                                  Earth MOID = 0.0885 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 357.19595              (2000.0)            P               Q                  
    n   0.58616212     Peri.   12.24176     -0.87306556     -0.47969855             
    a   1.4140265      Node   138.72044     +0.43544439     -0.84773198             
    e   0.2407025      Incl.    7.61633     +0.21941901     -0.22636210             
    P   1.68           H   23.71          G   0.15           U   1                  
    Residuals in seconds of arc
    180116 F51  0.1-  0.2-    180124 V06  0.2-  0.0     180225 G96  0.7+  0.1-
    180116 F51  0.3-  0.1+    180208 I52  0.0   0.3+    180225 G96  1.1-  0.3+
    180116 F51  0.0   0.1+    180208 I52  0.0   0.4+    180225 G96  0.2+  0.4+
    180116 F51  0.3+  0.1+    180208 I52  0.2-  0.3-    180411 H21  0.0   0.0
    180117 291  0.5+  0.4-    180208 I52  0.7+  0.4-    180411 H21  0.1-  0.1+
    180117 291  0.2-  0.1+    180208 691  0.2+  0.2-    180411 H21  0.1+  0.1-
    180117 291  0.1-  0.1+    180208 691  0.5+  0.3+    180412 711  0.0   0.2-
    180117 568  0.0   0.1+    180208 691  0.0   0.3+    180412 711  0.0   0.0
    180117 568  0.1-  0.1+    180216 807  0.5+  0.7-    180412 711  0.2+  0.1+
    180117 568  0.0   0.1+    180216 807  0.3-  0.0     221123 F51  0.3-  0.1-
    180118 H21  0.1-  0.4+    180216 807  0.2-  0.0     221202 F51  0.0   0.1+
    180118 H21  0.2+  0.2+    180223 I52  0.7-  1.2-    221214 F52  0.2+  0.2-
    180118 H21  0.1-  0.4+    180223 I52  1.1-  0.8+    221224 807  0.0   0.1+
    180124 V06  0.0   0.0     180223 I52  0.0   0.4+    221224 807  0.1+  0.2-
    180124 V06  0.3+  0.1-    180223 I52  0.4-  0.4-    221224 807  0.1+  0.1-
    180124 V06  0.2+  0.2+    180225 G96  0.0   0.1-
    
    Ephemeris:
    2018 BV                  a,e,i = 1.41, 0.24, 8                   q = 1.0737
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 12 10    05 32 03.8 -06 31 30   0.2886  1.2431   149.9    23.4    22.6
    ...
    2022 12 25    05 13 31.9 -06 35 10   0.2423  1.1936   146.7    26.9    22.2
    ...
    2023 01 02    05 03 18.4 -04 59 44   0.2252  1.1693   142.1    31.1    22.1
    ...
    2023 01 08    04 56 57.0 -03 00 19   0.2153  1.1524   138.0    34.8    22.1
    2023 01 09    04 56 03.3 -02 36 33   0.2138  1.1496   137.3    35.5    22.1
    2023 01 10    04 55 12.8 -02 11 42   0.2125  1.1470   136.6    36.1    22.1
    ...
    2023 01 16    04 51 26.0 +00 39 04   0.2052  1.1317   132.2    40.1    22.1
    ...
    2023 01 24    04 50 26.0 +05 18 57   0.1981  1.1136   126.5    45.3    22.2
    ...
    2023 02 08    05 03 44.4 +15 57 59   0.1913  1.0881   117.6    53.5    22.3
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-A22
    


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