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  • MPEC 2023-H123 : 2016 JB6

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    M.P.E.C. 2023-H123                               Issued 2023 April 21, 14:05 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
    
                                    2016 JB6                                 
    
    
                               Revision to MPEC 2016-J58                            
    
    Additional Observations:
         K16J06B 0C2023 03 20.56060716 34 30.256-11 39 08.82         23.23GVEH123T12
         K16J06B 0C2023 03 25.62496016 46 22.196-11 58 02.27         22.97GVEH123T12
         K16J06B  C2023 03 28.61226316 53 34.003-12 09 02.65         22.15GVEH123F51
         K16J06B  C2023 03 28.62475416 53 35.782-12 09 05.59         21.91GVEH123F51
         K16J06B  C2023 03 28.63563116 53 37.345-12 09 07.84         21.72GVEH123F51
         K16J06B 2C2023 04 20.15173417 54 49.382-13 40 04.47               XEH123J04
    
    Observer details:
    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.
    J04 ESA Optical Ground Station, Tenerife.  Observers D. Abreu, F. Ocana, M.
        Micheli, L. Conversi.  Measurers M. Micheli, F. Ocana, R. Kresken, M.
        Busch, E. Schwab, A. Knofel.  1.0-m f/4.4 reflector + CCD.
    T12 University of Hawaii 88-inch telescope, Maunakea.  Observers D. Hung, D.
        J. Tholen.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + 2112 x 2112
        pixels STA1600 10k CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    230320 T12 0.03+ 0.01+    230420 J04 0.06+ 0.01+    MPO740715   +0.02 days
    
    Orbital elements:
    2016 JB6                                                 Earth MOID = 0.1310 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 323.38051              (2000.0)            P               Q                  
    n   0.28562435     Peri.  214.28996     +0.41020067     +0.90128283             
    a   2.2835256      Node    80.27850     -0.80185252     +0.42922796             
    e   0.5066562      Incl.    8.12904     -0.43447433     +0.05875903             
    P   3.45           H   20.64          G   0.15           U   0                  
    Residuals in seconds of arc
    160503 F51  0.1-  0.0     160511 691  0.3+  0.1-    160608 G96  0.1-  0.1-
    160503 F51  0.1-  0.0     160513 691  0.8-  0.1-    160609 807  0.1+  0.6-
    160503 F51  0.1-  0.0     160513 691  0.2-  0.3-    160609 807  0.4+  0.5+
    160504 H36  0.1+  0.2-    160513 691  0.3-  0.1+    160609 807  0.0   0.2-
    160504 H36  0.7-  0.1+    160514 691  1.3+  0.7-    160609 807  0.0   0.1-
    160504 H36  0.0   0.4-    160514 691  1.7+  0.8-    160705 807  0.3-  0.1+
    160504 568  0.2-  0.1+    160514 691  0.1-  0.7-    160705 807  0.1-  0.0
    160504 568  0.2-  0.1+    160518 568  0.2-  0.1+    160706 807  0.4+  0.4+
    160504 568  0.2-  0.1+    160518 568  0.2-  0.1+    160726 807  0.5+  0.5+
    160505 691  0.4-  2.3-    160522 695  0.3-  0.6+    160727 807  0.9+  0.7+
    160505 691  0.4+  0.3-    160522 695  0.2+  0.3+    160727 807  0.3+  0.1+
    160505 926  0.5-  0.8-    160522 695  0.0   0.4+    160801 807  0.2+  0.5-
    160505 926  0.4+  0.9+    160525 691  1.0+  0.8-    160801 807  0.2+  0.0
    160505 926  0.1-  0.6+    160525 691  0.1+  1.1-    160801 807  0.2+  0.1-
    160505 H36  0.1-  0.3+    160530 291  0.4-  0.2-    160803 807  0.1-  0.2-
    160505 H36 (2.2-  0.5-)   160530 291  0.3-  0.1-    160803 807  0.2-  0.2+
    160505 474  0.3+  0.2-    160530 291  0.1-  0.2-    160803 807  0.0   0.2+
    160505 474  0.4+  0.3+    160531 691  0.5-  0.3-    160922 807  0.3-  0.6-
    160505 474  0.1+  0.1-    160531 691  0.5+  0.5-    160922 807  0.1+  0.1-
    160509 I52  0.4-  0.3+    160531 691  0.1-  0.2-    160922 807  0.2+  0.3-
    160509 I52  0.8+  0.8+    160601 691  0.4+  0.8-    161027 807  0.2+  0.7-
    160509 I52  0.9+  1.1+    160601 691  0.6+  0.5-    161027 807  0.3+  0.0
    160509 I52  0.4+  0.5-    160601 691  0.8-  0.2+    161027 807  0.0   0.0
    160511 I52  0.4-  0.2+    160602 691  0.2-  0.0     230320 T12  0.0   0.1+
    160511 I52  0.8+  0.4+    160602 691  0.2-  0.3-    230325 T12  0.1+  0.1-
    160511 I52  0.1-  0.1+    160602 691  0.2+  0.3+    230328 F51  0.2-  0.2+
    160511 I52  1.4-  0.4-    160608 G96  0.1+  0.3+    230328 F51  0.1-  0.0
    160511 691  0.5-  0.3+    160608 G96  0.1-  0.6+    230328 F51  0.2+  0.1+
    160511 691  0.4-  0.6+    160608 G96  0.5+  0.2+    230420 J04  0.2-  0.2+
    
    Ephemeris:
    2016 JB6                 a,e,i = 2.28, 0.51, 8                   q = 1.1266
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 03 22    16 37 50.0 -11 44 29   0.9212  1.5795   110.9    36.1    22.9
    ...
    2023 04 06    17 14 43.6 -12 40 16   0.7353  1.4816   116.4    37.2    22.3
    ...
    2023 04 14    17 36 34.8 -13 12 21   0.6467  1.4310   118.8    37.9    22.0
    ...
    2023 04 20    17 54 20.9 -13 39 11   0.5853  1.3942   120.2    38.5    21.7
    2023 04 21    17 57 26.7 -13 43 59   0.5756  1.3882   120.5    38.6    21.7
    2023 04 22    18 00 35.1 -13 48 54   0.5659  1.3822   120.7    38.7    21.7
    ...
    2023 04 28    18 20 25.5 -14 20 55   0.5109  1.3470   121.7    39.5    21.4
    ...
    2023 05 06    18 50 04.5 -15 11 27   0.4453  1.3026   122.4    40.8    21.1
    ...
    2023 05 21    19 58 36.0 -17 08 58   0.3489  1.2289   121.1    44.9    20.5
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-H123
    


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