• MPC Preparation (Info)

  • MPEC 2024-B66 : 2020 BD12

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2024-B65 Read MPEC 2024-B67


    M.P.E.C. 2024-B66                              Issued 2024 January 20, 14:16 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 BD12                                
    
    
                               Revision to MPEC 2020-B267                           
    
    Additional Observations:
         K20B12D  C2023 12 18.54713110 19 36.616+29 16 25.64         22.62GVEB066F52
         K20B12D  C2023 12 18.55817010 19 37.721+29 16 23.16         23.14GVEB066F52
         K20B12D 1C2024 01 19.46365611 05 04.348+26 59 48.66         21.10GVEB066G96
         K20B12D 1C2024 01 19.46880911 05 04.693+26 59 46.36         22.00GVEB066G96
         K20B12D 1C2024 01 19.47396111 05 04.952+26 59 44.77         22.24GVEB066G96
         K20B12D 1C2024 01 19.47911111 05 05.255+26 59 42.36         21.25GVEB066G96
    
    Observer details:
    F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
        Schultz, I. Smith.  Measurers K. Chambers, 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.
    G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers T. Beuden, V. F.
        Carvajal, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
        Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector +
        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
    231218 F52 0.27+ 0.18+    240119 G96 0.45+ 0.33+    MPO782687   +0.02 days
    
    Orbital elements:
    2020 BD12                                                Earth MOID = 0.2742 AU
    Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
    M 308.68521              (2000.0)            P               Q                  
    n   0.25309687     Peri.  193.40471     -0.99061776     +0.13521531             
    a   2.4752070      Node   354.25478     -0.09982482     -0.81504399             
    e   0.4871404      Incl.   11.42592     -0.09333515     -0.56340049             
    P   3.89           H   20.98          G   0.15           U   1                  
    Residuals in seconds of arc
    191230 F52  0.7-  0.1-    200125 F51  0.1+  0.0     200217 H21  0.4+  0.8+
    191230 F52  0.8-  0.4+    200129 F51  0.2+  0.0     200217 H21  0.2+  0.9+
    191230 F52  0.5-  0.2+    200129 F51  0.1-  0.3-    200217 H21  0.1+  1.0+
    200101 F51  0.4-  0.3-    200129 291  0.5+  0.4-    200221 H21  0.9-  1.0+
    200101 F51  0.5-  0.0     200129 F51  0.3+  0.2+    200221 H21  1.0-  1.1+
    200101 F51  0.2-  0.2-    200129 291  0.2+  0.2-    200221 H21  0.6-  0.6+
    200123 F52  0.0   0.2+    200129 291  0.0   0.1-    231218 F52  0.1-  0.4+
    200123 F52  0.3+  0.2+    200203 H21  0.0   0.2-    231218 F52  0.1-  0.1+
    200123 F52  0.0   0.2+    200203 H21  0.2-  0.1-    240119 G96  0.8-  0.0
    200123 F52  0.1-  0.2-    200203 H21  0.2-  0.0     240119 G96  0.0   0.4-
    200125 F51  0.0   0.1+    200215 H21  1.1+  0.6+    240119 G96  0.3-  0.1-
    200125 F51  0.0   0.3-    200215 H21  0.6+  1.0+    240119 G96  0.1-  0.7-
    
    Ephemeris:
    2020 BD12                a,e,i = 2.48, 0.49, 11                  q = 1.2694
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 12 21    10 23 48.1 +29 07 39   0.9161  1.6453   120.0    31.2    23.2
    ...
    2024 01 05    10 47 18.6 +28 10 14   0.7427  1.5602   128.8    29.4    22.6
    ...
    2024 01 13    10 57 51.9 +27 34 24   0.6601  1.5171   133.8    27.9    22.2
    ...
    2024 01 19    11 04 36.1 +27 02 33   0.6029  1.4860   137.6    26.5    21.9
    2024 01 20    11 05 36.9 +26 56 39   0.5938  1.4809   138.3    26.2    21.9
    2024 01 21    11 06 35.7 +26 50 33   0.5848  1.4759   139.0    26.0    21.8
    ...
    2024 01 27    11 11 44.5 +26 08 59   0.5333  1.4466   143.0    24.2    21.5
    ...
    2024 02 04    11 16 25.5 +24 56 05   0.4715  1.4100   148.7    21.3    21.1
    ...
    2024 02 19    11 17 35.1 +21 11 42   0.3779  1.3505   160.5    14.2    20.3
    
    A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-B66
    


    Read MPEC 2024-B65 Read MPEC 2024-B67


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)