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  • MPEC 2004-F71 : 2001 SY269

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    M.P.E.C. 2004-F71                                Issued 2004 Mar. 28, 01:25 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 Steven and Michele Kirsch Foundation
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                      2001 SY269
    
                               Revision to MPEC 2001-S60
    
    Additional Observations:
         K01SQ9Y  C2004 03 26.29183 12 55 45.12 -21 18 08.0          18.4   EF071704
         K01SQ9Y  C2004 03 26.30275 12 55 41.78 -21 16 56.6          18.7   EF071704
         K01SQ9Y  C2004 03 26.31357 12 55 38.48 -21 15 46.3          18.8   EF071704
         K01SQ9Y  C2004 03 26.32433 12 55 35.20 -21 14 36.8          18.6   EF071704
         K01SQ9Y  C2004 03 26.33513 12 55 31.87 -21 13 25.6          18.8   EF071704
         K01SQ9Y  C2004 03 27.27592 12 51 37.32 -19 38 05.3          18.1   EF071704
         K01SQ9Y  C2004 03 27.27609 12 51 37.22 -19 38 04.3          18.2   EF071704
         K01SQ9Y  C2004 03 27.27913 12 51 36.50 -19 37 47.2          18.2   EF071704
         K01SQ9Y  C2004 03 27.27931 12 51 36.43 -19 37 46.0          18.3   EF071704
         K01SQ9Y  C2004 03 27.28633 12 51 34.64 -19 37 06.5          18.2   EF071704
         K01SQ9Y  C2004 03 27.28650 12 51 34.51 -19 37 05.3          18.1   EF071704
         K01SQ9Y  C2004 03 27.28920 12 51 33.87 -19 36 50.2          18.5   EF071704
         K01SQ9Y  C2004 03 27.28938 12 51 33.79 -19 36 49.2          18.2   EF071704
         K01SQ9Y  C2004 03 27.29681 12 51 31.91 -19 36 07.7          18.4   EF071704
         K01SQ9Y  C2004 03 27.29699 12 51 31.80 -19 36 06.5          18.6   EF071704
         K01SQ9Y  C2004 03 27.29936 12 51 31.27 -19 35 52.4          19.1   EF071704
         K01SQ9Y  C2004 03 27.29954 12 51 31.15 -19 35 51.8          18.5   EF071704
         K01SQ9Y  C2004 03 27.30739 12 51 29.17 -19 35 07.7          18.4   EF071704
         K01SQ9Y  C2004 03 27.30756 12 51 29.08 -19 35 07.1          18.2   EF071704
         K01SQ9Y  C2004 03 27.30985 12 51 28.53 -19 34 53.6          18.3   EF071704
         K01SQ9Y  C2004 03 27.31002 12 51 28.44 -19 34 53.0          18.5   EF071704
         K01SQ9Y  C2004 03 27.31780 12 51 26.46 -19 34 09.0          18.4   EF071704
         K01SQ9Y  C2004 03 27.31798 12 51 26.37 -19 34 07.9          18.4   EF071704
         K01SQ9Y  C2004 03 27.32000 12 51 25.93 -19 33 55.9          19.1   EF071704
         K01SQ9Y  C2004 03 27.32018 12 51 25.83 -19 33 55.5          18.3   EF071704
         K01SQ9Y  C2004 03 27.57176 12 50 28.72 -19 09 08.5          17.3 R EF071474
         K01SQ9Y  C2004 03 27.57604 12 50 27.70 -19 08 45.5          17.4 R EF071474
         K01SQ9Y  C2004 03 27.58403 12 50 25.69 -19 08 00.6          17.4 R EF071474
         K01SQ9Y  C2004 03 27.58519 12 50 25.45 -19 07 55.6          17.2 R EF071474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  Measurer
        P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
        M. Bezpalko, R. Huber, L. Manguso, D. Torres, R. Kracke, M. McCleary,
        H. Stange, A. Milner.  Measurers J. Stuart, R. Sayer, J. Evans, J. Kommers.
        1.0-m f/2.15 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
    040326 70420.48+ 4.68-    040327 47418.18+ 4.74-    MPO 21044   -2.2 day
    
    Orbital elements:
    2001 SY269                                                           PHA 0.020
    Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
    M  76.25683              (2000.0)            P               Q
    n   0.45278026     Peri.  223.32067     -0.10315411     -0.99432802
    a   1.6796201      Node   232.61685     +0.92125376     -0.08568901
    e   0.5972969      Incl.    1.86819     +0.37503432     -0.06300142
    P   2.18           H   21.5           G   0.15           U   1
    Residuals in seconds of arc
    010925 704  0.8-  0.4+    010927 704  0.7-  0.6-    011003 300 (2.9-  0.9+)
    010925 704  0.7-  0.2+    010927 704  0.5+  0.4-    040326 704  0.0   0.0
    010925 704  0.7-  0.2+    010927 704  0.7-  0.5-    040326 704  0.0   0.2+
    010925 704  0.7-  0.1+    010927 704  0.1+  0.4-    040326 704  0.1+  0.1-
    010925 704  1.2-  0.4+    010927 704  0.4-  0.3+    040326 704  0.1+  0.7-
    010926 649  0.7+  0.1-    010927 704  0.5+  0.1+    040326 704  0.6-  0.0
    010926 649  0.4+  0.3+    010927 704  0.5-  0.1-    040327 704  0.2+  0.1-
    010926 649  0.4+  0.3+    010927 704  0.9+  0.1-    040327 704  0.6-  0.1-
    010926 704  0.2+  0.1+    010929 046  0.1+  0.2+    040327 704  0.4+  0.1-
    010926 704  0.6-  0.2+    010929 046  0.1+  0.6+    040327 704  0.1+  0.1+
    010926 704  0.2+  0.1-    010929 046  0.0   0.3+    040327 704  0.5+  0.0
    010926 704  0.0   0.4+    010929 046  0.0   0.2+    040327 704  0.7-  0.2+
    010926 704  0.4+  0.2-    010929 046  0.2+  0.5+    040327 704  0.2+  0.1+
    010926 704  0.6+  0.1+    010929 046  0.3-  0.1+    040327 704  0.3-  0.1+
    010926 704  0.7+  0.1-    010930 946  0.4-  1.3-    040327 704  0.3+  0.3-
    010926 704  0.5+  0.0     010930 946  1.4-  1.8-    040327 704  0.5-  0.2-
    010926 704  1.0+  0.1-    010930 946 (1.7-  2.3-)   040327 704  0.6+  0.6+
    010926 704  0.6+  0.2-    010930 658  0.1+  0.1-    040327 704  0.4-  0.2+
    010926 413  0.4+  0.3-    010930 658  0.3-  0.3+    040327 704  0.4+  0.0
    010926 413  0.3+  0.3-    010930 658  0.3-  0.3+    040327 704  0.3-  0.4-
    010926 413  0.1+  0.3+    011001 658  0.3-  0.3-    040327 704  0.3+  0.2+
    010926 587  0.2+  0.1+    011001 658  0.2-  0.2+    040327 704  0.3-  0.2-
    010926 587  0.1+  0.3+    011001 658  0.0   0.2+    040327 704  0.2+  0.1-
    010926 587  0.2-  0.6+    011001 649  0.2-  0.1-    040327 704  0.5-  0.0
    010926 595  0.6+  0.1-    011001 649  0.2-  0.2-    040327 704  0.7+  0.6+
    010926 595  0.2+  0.1+    011001 649  0.3-  0.2-    040327 704  0.0   0.0
    010926 595  0.4+  0.3+    011001 300  0.5-  1.0-    040327 474  0.0   0.0
    010927 704  0.4-  0.4-    011001 300 (0.9-  2.5+)   040327 474  0.4+  0.3-
    010927 333  0.1+  0.4+    011001 300 (2.5-  0.7-)   040327 474  0.5-  1.0+
    010927 333  1.0+  0.4-    011001 300  0.9+  0.3+    040327 474  0.1+  0.3-
    010927 333  0.1+  0.7+    011003 300  0.8+  1.9+
    010927 704  0.1+  0.4-    011003 300  0.3+  0.9-
    
    Ephemeris:
    2001 SY269               a,e,i = 1.68, 0.60, 2                   q = 0.6764
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2004 03 26    12 57.11   -21 49.6    0.102    1.093   158.5    19.6    17.7
    2004 03 31    12 40.70   -14 59.6    0.146    1.142   169.2     9.5    18.2
    2004 04 05    12 32.51   -11 13.6    0.192    1.191   172.1     6.7    18.8
    2004 04 10    12 28.00   -08 53.8    0.242    1.240   168.2     9.5    19.5
    2004 04 15    12 25.63   -07 21.7    0.294    1.288   163.0    13.2    20.2
    2004 04 20    12 24.72   -06 19.6    0.350    1.335   157.7    16.6    20.7
    2004 04 25    12 24.94   -05 38.3    0.408    1.381   152.8    19.5    21.2
    
    Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-F71
    

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