• Processing (Info)

  • MPEC 2008-Y11 : 2007 UY1

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    M.P.E.C. 2008-Y11                                Issued 2008 Dec. 20, 01:09 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.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2007 UY1
    
                               Revision to MPEC 2007-U29
    
    Additional Observations:
         K07U01Y  C2008 12 18.93372 08 30 31.87 +26 27 21.6          20.1 C EY011493
         K07U01Y  C2008 12 18.93828 08 30 31.48 +26 27 25.7          19.9 C EY011493
         K07U01Y  C2008 12 18.94286 08 30 31.04 +26 27 29.3          20.3 C EY011493
         K07U01Y  C2008 12 20.01954 08 28 56.14 +26 40 43.8          20.0 C EY011493
         K07U01Y  C2008 12 20.02365 08 28 55.66 +26 40 47.2          19.8 C EY011493
         K07U01Y  C2008 12 20.02775 08 28 55.21 +26 40 50.4          19.9 C EY011493
    
    Observer details:
    493 Calar Alto.  Observer F. Hormuth.  1.23-m reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    081218 493 0.04- 0.01+    081220 493 0.04- 0.01+    MPO130303   +0.0081 day
    
    Orbital elements:
    2007 UY1                                                 Earth MOID = 0.0058 AU
    Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
    M 187.71336              (2000.0)            P               Q
    n   1.06512694     Peri.  273.36449     -0.31683233     +0.94845834
    a   0.9495878      Node   338.16047     -0.86297646     -0.29116669
    e   0.1744790      Incl.    1.02233     -0.39355928     -0.12509493
    P   0.93           H   22.8           G   0.15           U   5
    Residuals in seconds of arc
    071018 704  0.6-  0.2-    071020 704 (1.9+  2.3+)   071102 G96  0.6-  0.8-
    071018 703 (2.2-  1.4+)   071020 704  0.3+  0.6+    071102 G96  0.3+  0.1+
    071018 704  0.7-  0.2-    071020 704  0.2-  0.0     071103 291  0.0   0.3+
    071018 703 (4.0-  0.2+)   071020 696 (1.7-  0.4+)   071103 291 (1.5+  3.4+)
    071018 704  0.7-  0.7+    071020 696  0.0   1.3+    071103 291 (0.7-  1.9-)
    071018 703  0.4+  0.3-    071025 G96  0.6-  0.0     071104 291 (2.3+  0.7-)
    071018 703  0.5-  0.6+    071025 G96  0.2+  0.1-    071104 291  0.9+  0.9+
    071018 704 (0.6+  2.3+)   071025 G96  0.2-  0.1+    071104 291  0.2+  0.0
    071018 703  0.3+  0.4-    071025 G96  0.1+  0.9-    071106 291  0.4+  0.4-
    071018 703  0.1-  0.1-    071027 H01  0.2+  0.2+    071106 291  0.4-  0.8-
    071018 703  0.7-  1.1-    071027 H01  0.0   0.1+    071107 711  1.2-  1.3+
    071018 703 (1.2+  1.9-)   071027 H01  0.1+  0.1+    071107 711  0.3+  0.2-
    071018 651 (2.7-  0.7+)   071027 H01  0.0   0.2+    071107 711  0.2-  0.2+
    071018 651  0.1+  0.3-    071027 H01  0.0   0.1+    071107 291  0.1-  0.1-
    071018 651  0.2+  0.9-    071028 H01  0.1+  0.1+    071107 291  0.2-  0.1+
    071019 G96  0.2+  0.2-    071028 H01  0.2+  0.3+    071107 291  0.4-  0.1-
    071019 G96  0.1-  0.3-    071028 H01  0.1-  0.3+    071119 689  0.9+  0.3+
    071019 G96  0.1-  0.1-    071028 H01  0.2+  0.4+    071201 H55  0.8-  0.2-
    071019 G96  0.2+  0.2-    071028 H01  0.1+  0.2+    071201 H55  0.4+  0.7-
    071019 673  0.5+  0.4+    071101 291  0.0   0.0     071201 H55  0.7+  0.1+
    071019 673  0.7+  0.3+    071101 291  0.2-  0.1-    081218 493  0.2-  0.0
    071019 673  0.2+  0.6+    071101 291  0.1-  0.2+    081218 493  0.2+  0.3+
    071019 673  1.3+  0.4+    071102 291  0.1+  0.1-    081218 493  0.1-  0.0
    071019 G96  0.4+  0.2-    071102 291  0.4-  0.1-    081220 493  0.1+  0.0
    071019 G96  0.1-  0.2-    071102 291  0.1+  0.1+    081220 493  0.1-  0.0
    071019 G96  0.1+  0.2-    071102 G96  0.0   0.7-    081220 493  0.1+  0.2-
    071019 G96  0.3-  0.3-    071102 G96  0.1+  0.1-
    
    Ephemeris:
    2007 UY1                 a,e,i = 0.95, 0.17, 1                   q = 0.7839
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2008 12 20    08 28.93   +26 40.7    0.139    1.100   144.6    31.2    20.1
    2008 12 30    08 03.46   +29 13.3    0.110    1.087   159.8    18.2    19.1
    2009 01 09    07 12.45   +32 01.6    0.0878   1.070   169.9     9.3    18.3
    2009 01 19    05 55.66   +32 51.0    0.0755   1.049   148.8    29.0    18.6
    2009 01 29    04 34.43   +29 49.1    0.0729   1.025   122.0    54.6    19.2
    2009 02 08    03 30.64   +24 28.2    0.0762   0.999    97.1    78.6    20.0
    2009 02 18    02 41.77   +18 39.1    0.0820   0.970    74.5   100.9    21.0
    
    Gareth V. Williams           (C) Copyright 2008 MPC           M.P.E.C. 2008-Y11
    

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