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  • MPEC 2023-A55 : 2020 BX10

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    M.P.E.C. 2023-A55                              Issued 2023 January 14, 14:08 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
    
                                    2020 BX10                                
    
    
                               Revision to MPEC 2020-B238                           
    
    Additional Observations:
         K20B10X  C2022 09 19.25316520 53 16.738+02 09 19.67         24.14GVEA055T14
         K20B10X  C2022 09 19.25715220 53 16.423+02 09 20.89         24.20GVEA055T14
         K20B10X  C2022 09 19.26113920 53 16.107+02 09 22.03         24.05GVEA055T14
         K20B10X 0C2022 09 20.30689820 52 00.667+02 14 25.52         24.84GVEA055T12
    
    Observer details:
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
    T14 Canada-France-Hawaii Telescope, Maunakea.  Observer C. Cunningham.
        Measurer D. J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels
        Megacam.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    220919 T14 0.13- 0.15-    220920 T12 0.13- 0.15-    MPO545164   -0.12 days
    
    Orbital elements:
    2020 BX10                                                Earth MOID = 0.0758 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 315.70771              (2000.0)            P               Q                  
    n   0.60778431     Peri.  177.29908     -0.71491802     -0.65023195             
    a   1.3802880      Node   318.13887     +0.63407378     -0.44794685             
    e   0.2306252      Incl.   22.65862     +0.29469081     -0.61363021             
    P   1.62           H   22.65          G   0.15           U   1                  
    Residuals in seconds of arc
    200126 F51  0.1-  0.1+    200128 033  0.3-  0.4-    200221 654  0.0   0.2+
    200126 F51  0.1+  0.0     200131 I52  0.1+  0.0     200221 654  0.1-  0.0
    200126 F51  0.2+  0.0     200131 I52  0.0   0.0     200221 568 (0.1+  0.2+)
    200126 H01  0.1+  0.1+    200131 I52  0.1+  0.3+    200221 568  0.0   0.0
    200126 H01  0.1+  0.1+    200131 I52  0.2+  0.2+    200223 807  0.2-  0.2-
    200126 H01  0.0   0.0     200131 I52  0.0   0.1+    200223 807  0.0   0.1-
    200126 H01  0.1+  0.0     200131 I52  0.0   0.1+    200223 807  0.0   0.1-
    200127 291  0.1-  0.1+    200131 I52  0.1-  0.4-    200223 474  0.1+  0.0
    200127 291  0.1+  0.1-    200203 I52  0.3-  0.3-    200223 474  0.2+  0.1-
    200127 291  0.2-  0.5-    200203 I52  0.1-  0.1-    200223 474  0.0   0.1+
    200127 I52  0.3+  0.2+    200203 I52  0.2+  0.3-    200223 474  0.1+  0.2-
    200127 I52  0.2-  0.1-    200203 I52  0.3-  0.2+    200225 807  0.3-  0.1+
    200127 I52  0.1-  0.4+    200212 K87  1.1-  0.7-    200225 807  0.1-  0.1+
    200127 H01  0.1+  0.0     200212 K87  0.9-  0.3-    200229 474  0.2+  0.2-
    200127 H01  0.0   0.1+    200212 K87  0.7-  0.1-    200229 474  0.2-  0.0
    200127 H01  0.1+  0.0     200214 734  0.3+  0.4-    200303 807 (0.5+  0.6+)
    200127 H01  0.1+  0.0     200214 734  0.1+  0.5-    200303 807  0.1+  0.2-
    200127 K88  0.1-  0.1-    200214 734  0.0   0.2+    200303 807  0.0   0.1-
    200127 K88  0.1-  0.3-    200214 734  0.3-  0.1+    200306 807  0.0   0.0
    200127 K88  0.1+  0.0     200216 734  0.3+  1.3-    200306 807  0.3-  0.1-
    200128 W34  0.3-  1.5+    200216 734  0.3+  0.6-    200306 807  0.1-  0.0
    200128 W34  0.3-  0.9+    200216 734 (0.5+  2.8+)   220919 T14  0.1+  0.0
    200128 W34  0.1+  0.7+    200221 807  0.4-  0.3+    220919 T14  0.0   0.0
    200128 033  0.2-  0.3-    200221 807  0.0   0.1+    220919 T14  0.1-  0.0
    200128 033  0.2-  0.2+    200221 807  0.1+  0.1-    220920 T12  0.0   0.1-
    
    Ephemeris:
    2020 BX10                a,e,i = 1.38, 0.23, 23                  q = 1.0620
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 12 15    21 58 14.1 +10 35 45   1.3543  1.4412    74.2    41.1    25.7
    ...
    2022 12 30    22 30 02.1 +13 21 28   1.4160  1.3922    68.2    41.0    25.7
    ...
    2023 01 07    22 48 41.9 +14 59 43   1.4414  1.3652    65.4    40.9    25.7
    ...
    2023 01 13    23 03 29.2 +16 17 03   1.4571  1.3446    63.4    40.9    25.7
    2023 01 14    23 06 01.2 +16 30 12   1.4594  1.3412    63.1    40.8    25.7
    2023 01 15    23 08 34.3 +16 43 25   1.4617  1.3377    62.8    40.8    25.7
    ...
    2023 01 21    23 24 19.1 +18 03 58   1.4738  1.3169    61.0    40.8    25.7
    ...
    2023 01 29    23 46 29.9 +19 53 43   1.4859  1.2892    58.8    40.8    25.7
    ...
    2023 02 13    00 32 00.4 +23 18 34   1.4979  1.2378    55.2    40.9    25.6
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-A55
    


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