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  • MPEC 2014-A06 : 2013 BP73

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    M.P.E.C. 2014-A06                                Issued 2014 Jan. 2, 15:19 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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 http://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2013 BP73
    
                               Revision to MPEC 2013-B98
    
    Additional Observations:
         K13B73P  C2003 04 01.43381714 07 56.560+06 54 46.98         19.5 RtEA006645
         K13B73P  C2003 04 01.43464714 07 56.460+06 54 48.42         20.4 RtEA006645
         K13B73P  C2003 04 01.43713414 07 56.215+06 54 52.16         19.6 RtEA006645
         K13B73P _C2012 02 28.41541212 07 18.837+13 24 25.61         22.1 RtEA006568
         K13B73P _C2012 02 28.45289912 07 15.164+13 24 59.85         22.0 RtEA006568
         K13B73P _C2012 02 28.49045912 07 11.441+13 25 33.48         22.0 RtEA006568
         K13B73P _C2012 02 28.52815312 07 07.715+13 26 07.74         21.8 RtEA006568
    
    Observer details:
    568 Mauna Kea.  Observer A. Draginda.  Measurer M. Micheli.  3.6-m
        Canada-France-Hawaii Telescope + CCD.
    645 Apache Point--Sloan Digital Sky Survey.  Observer S. Digital Sky Survey
        Collaboration.  Measurer M. Micheli.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    030401 645 0.23+ 0.07-    120228 568  1.0-  1.9+    MPO258444   +0.037 day
    
    Orbital elements:
    2013 BP73                                           PHA, Earth MOID = 0.0024 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 268.13034              (2000.0)            P               Q
    n   0.64398908     Peri.  251.73120     +0.87522556     +0.46920949
    a   1.3280580      Node    80.14252     -0.38637543     +0.82436900
    e   0.6287861      Incl.    6.85353     -0.29102277     +0.31663577
    P   1.53           H   20.2           G   0.15           U   3
    Residuals in seconds of arc
    030401 645  0.1+  0.1-    130123 G96  0.8+  0.1-    130213 H01  0.1+  0.0
    030401 645  0.1-  0.1+    130123 G96  0.8-  0.0     130213 H01  0.0   0.0
    030401 645  0.0   0.0     130123 G96  0.2-  0.1-    130213 H01  0.1-  0.0
    120228 568  0.0   0.3-    130123 G96  0.6+  0.5+    130213 H01  0.2+  0.0
    120228 568  0.2+  0.0     130131 291  0.4-  0.7+    130217 291  0.0   0.3+
    120228 568  0.1-  0.3-    130131 291  0.2+  1.1-    130217 291  0.1+  0.0
    120228 568  0.2-  0.1-    130131 291  0.9+  0.4+    130217 291  0.1-  0.5+
    130122 G96  0.2-  0.1+    130201 291  1.3-  0.8+    130309 568  0.1+  0.2-
    130122 G96  0.3-  0.1-    130201 291  0.1-  0.1+    130309 568  0.0   0.2-
    130122 G96  0.5-  0.3+    130205 291  0.1+  0.6+    130315 H01  0.1-  0.1-
    130122 G96  0.5+  0.4+    130205 291  0.3+  0.2+    130315 H01  0.0   0.1-
    130122 G96  0.3-  0.2+    130205 291  0.4+  0.2+    130315 H01  0.2+  0.1-
    130122 G96  0.2-  0.2+    130206 711  0.3-  0.2-    130315 H01  0.1+  0.0
    130122 G96  0.3+  0.2-    130206 711  0.3-  0.3-    130412 568  0.0   0.2+
    130122 G96  0.1-  0.4+    130206 711  0.2-  0.1-
    
    Ephemeris:
    2013 BP73                a,e,i = 1.33, 0.63, 7                   q = 0.4930
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 12 03    14 09 51.7 -08 17 12   2.2372  1.5799    37.9    22.5    24.0
    ...
    2013 12 18    14 49 49.4 -11 40 00   2.0228  1.4603    42.7    27.2    23.8
    ...
    2013 12 26    15 13 47.3 -13 28 09   1.9067  1.3909    44.6    29.8    23.6
    ...
    2014 01 01    15 33 18.8 -14 48 15   1.8201  1.3361    45.8    31.9    23.5
    2014 01 02    15 36 42.8 -15 01 27   1.8058  1.3267    46.0    32.2    23.5
    2014 01 03    15 40 09.5 -15 14 35   1.7916  1.3173    46.1    32.6    23.4
    ...
    2014 01 09    16 01 50.1 -16 31 46   1.7073  1.2593    46.9    34.7    23.3
    ...
    2014 01 17    16 33 46.2 -18 07 59   1.5998  1.1782    47.2    37.8    23.1
    ...
    2014 02 01    17 45 10.4 -20 25 09   1.4248  1.0146    45.4    43.7    22.7
    
    A. U. Tomatic                (C) Copyright 2014 MPC           M.P.E.C. 2014-A06
    

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