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  • MPEC 2013-X66 : 2007 UW1

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    M.P.E.C. 2013-X66                                Issued 2013 Dec. 14, 02:23 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2007 UW1
    
                               Revision to MPEC 2007-U27
    
    Additional Observations:
         K07U01W 2C2013 11 28.19121021 23 04.326-04 41 53.27         22.4 RtEX066568
         K07U01W 2C2013 11 28.19657021 23 04.922-04 41 41.75         22.6 RtEX066568
         K07U01W 2C2013 11 28.20060721 23 05.359-04 41 33.35         22.5 RtEX066568
         K07U01W 2C2013 11 28.21063721 23 06.460-04 41 12.10         22.6 RtEX066568
         K07U01W 2C2013 11 28.21469221 23 06.906-04 41 03.46         22.7 RtEX066568
         K07U01W 2C2013 12 03.29561021 32 56.093-01 44 06.94         23.3 RtEX066568
    
    Observer details:
    568 Mauna Kea.  Observer A. Draginda.  Measurers D. J. Tholen, M. Micheli.
        3.6-m Canada-France-Hawaii Telescope.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    131128 568 0.10+ 0.18-    131203 568 0.14+ 0.19-    MPO129014   +0.21 day
    
    Orbital elements:
    2007 UW1                                                 Earth MOID = 0.0012 AU
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M 220.53732              (2000.0)            P               Q
    n   1.13982564     Peri.  146.63200     -0.98926521     -0.13201650
    a   0.9076333      Node    25.99910     +0.08174418     -0.85534813
    e   0.1208310      Incl.    8.21786     +0.12112897     -0.50095032
    P   0.86           H   22.7           G   0.15           U   2
    Residuals in seconds of arc
    071017 699  0.9+  0.5+    071018 703  0.0   0.1-    071019 673  0.6-  0.2-
    071017 699  0.0   0.2+    071018 703  0.4+  0.5+    071019 673  0.0   0.1-
    071017 699  0.2+  0.5+    071018 703  1.4-  0.2-    071024 G96  0.6+  0.2-
    071017 699  1.4+  0.5-    071018 703  0.0   0.1-    071024 G96  0.4+  0.0
    071017 703  0.2-  0.2+    071019 595  0.4+  0.0     071024 G96  0.4+  0.1-
    071017 703  0.5-  1.4+    071019 595  0.2-  0.3-    071024 G96  0.1-  0.1+
    071018 651  0.1+  0.8+    071019 H01  1.0-  0.3-    131128 568  0.1-  0.1-
    071018 651 (1.2-  1.6+)   071019 H01  0.1-  0.5-    131128 568  0.0   0.1+
    071018 651  0.8-  0.9-    071019 H01  0.7+  0.2+    131128 568  0.0   0.1-
    071018 703  0.4+  0.4+    071019 H01  0.3-  0.4-    131128 568  0.0   0.1-
    071018 703  0.1-  0.7-    071019 H01  0.2+  0.1-    131128 568  0.0   0.0
    071018 703  0.5-  0.4+    071019 673  0.1+  0.7-    131203 568  0.0   0.2+
    071018 703  0.3+  0.1+    071019 673  0.4-  0.0
    
    Ephemeris:
    2007 UW1                 a,e,i = 0.91, 0.12, 8                   q = 0.7980
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 11 14    20 51 57.4 -13 17 37   0.2927  0.9826    80.1    82.8    22.9
    ...
    2013 11 29    21 24 41.4 -04 13 16   0.3013  0.9576    75.7    86.5    23.0
    ...
    2013 12 07    21 39 42.4 +00 22 18   0.3024  0.9423    73.0    89.1    23.1
    ...
    2013 12 13    21 49 48.3 +03 41 33   0.3012  0.9300    70.8    91.4    23.2
    2013 12 14    21 51 22.8 +04 14 04   0.3008  0.9279    70.4    91.8    23.2
    2013 12 15    21 52 55.3 +04 46 22   0.3004  0.9258    70.0    92.2    23.2
    ...
    2013 12 21    22 01 26.4 +07 55 18   0.2967  0.9130    67.6    94.9    23.3
    ...
    2013 12 29    22 10 35.3 +11 51 44   0.2890  0.8955    64.1    99.1    23.3
    ...
    2014 01 13    22 18 33.8 +18 02 21   0.2660  0.8630    55.9   109.3    23.6
    
    A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-X66
    

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