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  • MPEC 2020-O62 : 2008 BH16

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    M.P.E.C. 2020-O62                                 Issued 2020 July 21, 22:28 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  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
    
                                    2008 BH16                                
    
    
                               Revision to MPEC 2008-B66                            
    
    Additional Observations:
         K08B16H  C2020 07 16.55018422 34 25.868+02 52 11.58         20.09GVEO062F51
         K08B16H  C2020 07 16.56160422 34 24.636+02 51 09.73         20.35GVEO062F51
         K08B16H  C2020 07 16.57295422 34 23.373+02 50 07.46         20.03GVEO062F51
         K08B16H  C2020 07 20.48217722 27 30.530-03 05 38.85         19.99wUEO062F52
         K08B16H  C2020 07 20.49373622 27 29.149-03 06 41.93         20.37wUEO062F52
         K08B16H  C2020 07 20.50528722 27 27.754-03 07 44.75         20.17wUEO062F52
         K08B16H  C2020 07 20.51688522 27 26.357-03 08 47.35         20.31wUEO062F52
         K08B16H  C2020 07 20.97311 22 26 35.83 -03 50 11.7          20.5 VVEO062033
         K08B16H  C2020 07 20.97444 22 26 35.65 -03 50 18.8          20.0 VVEO062033
         K08B16H  C2020 07 20.97577 22 26 35.48 -03 50 26.0          20.0 VVEO062033
         K08B16H KC2020 07 20.99172722 26 33.83 -03 51 50.8          19.9 GUEO062I93
         K08B16H KC2020 07 20.99940122 26 32.99 -03 52 32.7          19.5 GUEO062I93
         K08B16H KC2020 07 21.00784722 26 31.98 -03 53 17.6          19.9 GUEO062I93
         K08B16H KC2020 07 21.04350922 26 27.45 -03 56 31.5          20.0 GVEO062L01
         K08B16H KC2020 07 21.04481422 26 27.30 -03 56 38.6          20.0 GVEO062L01
         K08B16H KC2020 07 21.04698822 26 27.02 -03 56 50.2          20.0 GVEO062L01
         K08B16H KC2020 07 21.04938122 26 26.75 -03 57 03.2          20.1 GVEO062L01
         K08B16H KC2020 07 21.05155522 26 26.49 -03 57 15.4          20.0 GVEO062L01
         K08B16H !C2020 07 21.40603 22 25 46.62 -04 29 08.0          19.8 RtEO062673
         K08B16H !C2020 07 21.40953 22 25 46.19 -04 29 26.9                tEO062673
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, B.
        Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer J. Pittichova.  1.0-m
        f/15 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
        Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe, A.
        Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L.
        Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
    200716 F51   33-   17-    200721 673   36-   12-    MPO133575   -55.7 days
    
    Orbital elements:
    2008 BH16                                                Earth MOID = 0.1647 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
    M  12.74293              (2000.0)            P               Q
    n   0.40852541     Peri.   84.26860     -0.70541147     +0.58482345
    a   1.7988295      Node   130.71870     -0.64528704     -0.76363836
    e   0.5345860      Incl.   31.89601     +0.29325638     -0.27356531
    P   2.41           H   20.6           G   0.15           U   2
    Residuals in seconds of arc
    080130 703  0.8-  0.7-    080206 448  0.1+  0.4-    080209 J66  0.0   0.2+
    080130 703  0.8-  0.1+    080206 A48  0.6+  0.4-    080211 A78  0.7-  0.3+
    080130 703  0.9-  0.1-    080206 A48  0.1+  0.9-    080211 A78  0.8-  0.1+
    080130 734  0.7-  0.2-    080206 A48  0.1+  0.5-    080211 A78  0.6-  0.1-
    080130 734  0.0   0.1-    080206 A48  0.3+  0.1-    080211 A78  0.0   0.2-
    080130 734  0.6-  0.4-    080207 H45  0.1+  0.1-    080211 A78  0.9-  0.7-
    080130 703  0.5-  0.1+    080207 H45  0.1-  0.4+    080213 046  0.6-  0.0
    080130 703  0.5-  0.0     080207 H45  0.1-  0.3+    080213 046  0.3+  0.1-
    080130 703  0.3-  0.0     080207 H45  0.1-  0.1+    080213 046  0.3-  0.1+
    080130 B40  0.4-  0.3-    080207 H45  0.2+  0.0     080213 046  0.8+  0.3-
    080130 B40  0.3-  0.2+    080207 H45  0.2+  0.3+    080213 046  0.0   1.0-
    080130 B40  0.4-  0.1-    080208 130  0.2-  0.3+    080213 046  0.4+  0.5+
    080130 B40  0.2+  0.1-    080208 130  0.4-  0.4-    200716 F51  0.0   0.1-
    080131 B58  0.3+  0.4+    080208 130  0.1-  0.4-    200716 F51  0.3+  0.4+
    080131 B58  0.1-  0.5+    080208 130  0.7-  0.0     200716 F51  0.1+  0.1+
    080131 B58  0.2+  0.1+    080208 703  0.4+  1.0+    200720 F52  0.0   0.1+
    080131 B58  0.2+  0.3-    080208 703  0.2-  1.3+    200720 F52  0.1+  0.2-
    080201 673  0.6+  0.0     080208 703  0.4+  1.1+    200720 F52  0.0   0.2-
    080201 673  0.3+  0.0     080208 046  0.4-  0.0     200720 F52  0.0   0.2+
    080201 673  0.4+  0.0     080208 046  0.2+  0.5+    200720 033  0.5+  0.2-
    080201 673  0.8+  0.0     080208 046  0.9-  0.2+    200720 033  0.1+  0.0
    080203 H55  0.2+  0.4-    080209 046  0.2+  0.5+    200720 033  0.1-  0.0
    080203 H55  0.1-  0.2-    080209 046  0.1+  0.4+    200720 I93  0.6-  0.2-
    080203 H55  0.0   0.2-    080209 B58  0.1-  0.1-    200720 I93  0.4+  0.5-
    080203 H55  0.1+  0.2-    080209 B58  0.2-  0.0     200721 I93  0.2+  0.4+
    080203 A80  0.0   0.3+    080209 B58  0.4+  0.4-    200721 L01  0.2-  0.1-
    080203 A80  0.1+  0.0     080209 B58  0.2-  0.2-    200721 L01  0.1-  0.1-
    080203 A80  0.3+  0.3+    080209 J66  0.3+  0.2-    200721 L01  0.4-  0.1+
    080206 673  1.3+  0.2-    080209 J66  0.1+  0.6+    200721 L01  0.2-  0.0
    080206 673  1.1+  0.3+    080209 B58  0.1+  0.6-    200721 L01  0.2-  0.4-
    080206 673  1.0+  0.2+    080209 J66  0.2-  0.0     200721 673  0.1+  0.1+
    080206 673  1.2+  0.2+    080209 B58  0.0   0.6-    200721 673  0.0   0.1+
    080206 448  0.1+  0.4-    080209 J66  0.3+  0.3+
    080206 448  0.0   0.2-    080209 J66  0.2-  0.3-
    
    Ephemeris:
    2008 BH16                a,e,i = 1.80, 0.53, 32                  q = 0.8372
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 06 21    23 00 50.5 +35 25 36   0.4131  1.0808    87.6    70.0    21.3
    ...
    2020 07 06    22 49 09.5 +18 08 01   0.3678  1.1986   111.0    52.4    20.7
    ...
    2020 07 14    22 38 31.6 +06 43 02   0.3582  1.2633   126.6    40.2    20.5
    ...
    2020 07 20    22 28 23.3 -02 21 43   0.3627  1.3119   139.1    30.5    20.3
    2020 07 21    22 26 32.3 -03 52 13   0.3646  1.3201   141.2    28.9    20.3
    2020 07 22    22 24 38.9 -05 22 08   0.3669  1.3282   143.2    27.3    20.3
    ...
    2020 07 28    22 12 38.1 -13 58 10   0.3880  1.3766   154.9    18.2    20.2
    ...
    2020 08 05    21 55 48.0 -23 42 07   0.4360  1.4406   165.5    10.2    20.2
    ...
    2020 08 20    21 27 33.6 -35 20 32   0.5777  1.5578   156.1    15.2    21.2
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-O62
    


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