• Processing (Info)

  • MPEC 2005-X56 : 2004 YG1

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    M.P.E.C. 2005-X56                                Issued 2005 Dec. 10, 21:48 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.
    
                      Supported in part by the Brinson Foundation
                      Supported in part by the TABASGO Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       2004 YG1
    
                               Revision to MPEC 2004-Y28
    
    Additional Observations:
         K04Y01G  C2005 12 10.34116 08 19 35.72 +50 53 08.6          18.9 V EX056703
         K04Y01G  C2005 12 10.34965 08 19 33.70 +50 52 39.1          19.0 V EX056703
         K04Y01G  C2005 12 10.35823 08 19 31.65 +50 52 06.8          18.8 V EX056703
         K04Y01G  C2005 12 10.36673 08 19 29.56 +50 51 34.9          18.9 V EX056703
         K04Y01G  C2005 12 10.40740 08 19 19.66 +50 49 01.7          18.8 V EX056703
         K04Y01G  C2005 12 10.41539 08 19 17.65 +50 48 31.6          18.8 V EX056703
         K04Y01G  C2005 12 10.42338 08 19 15.67 +50 48 01.1          18.7 V EX056703
         K04Y01G  C2005 12 10.49493 08 18 57.96 +50 43 20.2          18.8 V EX056703
         K04Y01G  C2005 12 10.50446 08 18 55.62 +50 42 42.4          18.6 V EX056703
         K04Y01G  C2005 12 10.51390 08 18 53.24 +50 42 04.3          18.7 V EX056703
         K04Y01G  C2005 12 10.52331 08 18 50.94 +50 41 26.0          18.7 V EX056703
         K04Y01G  C2005 12 10.87428 08 17 42.72 +50 17 21.5                 EX056J95
         K04Y01G  C2005 12 10.88129 08 17 41.24 +50 16 54.7                 EX056J95
         K04Y01G  C2005 12 10.88827 08 17 39.69 +50 16 27.6          18.4 R EX056J95
    
    Observer details:
    703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers E. C. Beshore,
        E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
        S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    051210 703 7.24+ 6.06-    051210 J95 7.53+ 6.12-    MPO 77796   -0.82 day
    
    Orbital elements:
    2004 YG1
    Epoch 2006 Mar. 6.0 TT = JDT 2453800.5                  MPC
    M 334.51183              (2000.0)            P               Q
    n   0.97217148     Peri.  294.15968     -0.84448036     +0.41462856
    a   1.0091928      Node   271.87280     -0.27793428     -0.88035004
    e   0.1585557      Incl.   19.82835     -0.45782688     -0.23036266
    P   1.01           H   21.5           G   0.15           U   6
    Residuals in seconds of arc
    041218 704  1.5+  0.7+    041219 704  0.5+  0.0     041220 704  0.1-  0.7+
    041218 704  0.0   0.8+    041219 704  0.6+  0.6+    041220 699  0.0   0.2+
    041218 704  0.5+  0.9+    041220 J95  0.0   0.5+    051210 703  0.8-  1.3-
    041218 704  1.2+  0.2-    041220 J95  0.4-  0.2-    051210 703  0.5-  0.5+
    041218 704  0.2-  0.0     041220 J95  0.1+  0.3-    051210 703  0.3-  0.0
    041219 854  0.1-  0.1+    041220 699  0.6-  1.0+    051210 703  0.5-  0.3-
    041219 854  0.6-  1.0-    041220 704  0.6+  0.3-    051210 703  0.5+  0.2-
    041219 704  0.1-  0.0     041220 704  0.1+  0.1+    051210 703  0.2+  0.2+
    041219 H06 (2.6-  0.4-)   041220 699  0.0   0.6+    051210 703  0.2+  0.3+
    041219 H06  1.1-  0.6+    041220 704  0.8+  0.1+    051210 703  0.6+  0.1-
    041219 H06  0.3-  0.8+    041220 673  0.2-  0.1-    051210 703  0.7+  0.3+
    041219 704  0.8+  0.1+    041220 673  0.1+  0.2-    051210 703  0.1+  0.2+
    041219 734  0.4-  0.1+    041220 699  0.1-  0.2-    051210 703  0.2+  0.1-
    041219 734  0.8-  1.2-    041220 673  0.4+  0.4-    051210 J95  0.4-  0.0
    041219 734  0.4+  0.8-    041220 704  1.2-  0.4-    051210 J95  0.1+  0.2+
    041219 704  0.5+  0.4-    041220 673  0.8+  0.0     051210 J95  0.0   0.0
    
    Ephemeris:
    2004 YG1                 a,e,i = 1.01, 0.16, 20                  q = 0.8492
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2005 12 06    08 32.07   +54 37.7    0.160    1.091   127.9    45.4    19.4
    2005 12 11    08 17.18   +50 09.4    0.129    1.080   135.0    40.1    18.8
    2005 12 16    07 54.89   +42 32.7    0.101    1.068   145.1    31.8    18.0
    2005 12 21    07 24.50   +28 54.8    0.0770   1.056   159.5    19.0    17.0
    2005 12 26    06 46.60   +06 02.5    0.0632   1.044   161.4    17.5    16.5
    2005 12 31    06 04.01   -21 02.0    0.0653   1.031   135.0    42.5    17.3
    2006 01 05    05 21.27   -40 35.8    0.0814   1.017   112.5    63.3    18.3
    2006 01 10    04 42.26   -51 37.0    0.104    1.004    98.2    75.8    19.3
    2006 01 15    04 08.44   -57 46.6    0.130    0.990    89.0    83.4    20.0
    2006 01 20    03 39.32   -61 27.4    0.156    0.976    82.6    88.3    20.5
    2006 01 25    03 13.69   -63 48.6    0.182    0.963    77.8    91.6    21.0
    2006 01 30    02 50.24   -65 23.3    0.207    0.949    74.0    93.9    21.3
    2006 02 04    02 27.79   -66 28.0    0.231    0.936    70.9    95.6    21.6
    2006 02 09    02 05.36   -67 09.3    0.254    0.923    68.2    96.9    21.8
    2006 02 14    01 42.38   -67 28.3    0.275    0.911    66.0    98.0    22.0
    
    Kyle E. Smalley              (C) Copyright 2005 MPC           M.P.E.C. 2005-X56
    

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