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  • MPEC 2001-R33 : 1999 RK45

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    M.P.E.C. 2001-R33                                Issued 2001 Sept. 12, 21:52 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://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                                       1999 RK45
    
                               Revision to MPEC 1999-S06
    
    Observations:
         J99R45K  C2001 09 11.26954 00 05 16.90 -17 11 55.7          18.6        704
         J99R45K  C2001 09 11.28347 00 05 14.61 -17 12 36.8          18.6        704
         J99R45K  C2001 09 11.29845 00 05 12.07 -17 13 21.0          18.8        704
         J99R45K  C2001 09 11.31322 00 05 09.56 -17 14 04.4          18.9        704
         J99R45K  C2001 09 11.32718 00 05 07.22 -17 14 46.2          19.4        704
         J99R45K  C2001 09 12.63044 00 01 25.23 -18 20 46.3          17.8 R      474
         J99R45K  C2001 09 12.63218 00 01 24.90 -18 20 51.9          17.7 R      474
         J99R45K  C2001 09 12.63403 00 01 24.56 -18 20 57.6          17.9 R      474
         J99R45K  C2001 09 12.63796 00 01 23.84 -18 21 09.9          18.0 R      474
    
    Observer details:
    474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  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, S. Adams.  Measurers J. Stuart,
        R. Sayer, J. B. Evans, H. Viggh.  1.0-m f/2.15 reflector + CCD.
    
    Orbital elements:
    1999 RK45
    Epoch 2001 Oct. 18.0 TT = JDT 2452200.5                 Spahr
    M 341.53796              (2000.0)            P               Q
    n   0.48790876     Peri.    3.98482     -0.55990509     -0.82378098
    a   1.5980007      Node   120.08639     +0.75731989     -0.55230874
    e   0.7731195      Incl.    5.89261     +0.33611438     -0.12782781
    P   2.02           H   19.6           G   0.15           U   3
    Residuals in seconds of arc
    990913 704  0.2+  0.2-    990914 046  0.4+  0.2+    990916 426  0.2+  0.6-
    990913 704  0.3+  0.3-    990914 046  0.1+  0.0     990916 428  0.5+  0.8+
    990913 704  0.2-  0.8-    990914 046  0.3+  0.5+    990916 428  0.0   1.4+
    990913 704  0.5+  0.0     990914 118  0.4-  0.1+    990917 848  0.3+  0.7-
    990913 704  0.1-  0.1+    990914 595 (3.4+  2.0-)   990917 848  0.3+  0.1-
    990913 046  0.2+  0.4+    990914 118  0.4+  0.2+    990918 428  0.9+  0.1+
    990913 046  0.2-  0.5+    990914 118  0.2+  0.0     990918 428  0.7+  1.7+
    990913 046  0.2+  0.8+    990915 859  0.7+  0.7-    990919 848  0.5-  1.0-
    990913 046  0.3-  0.1+    990915 859  0.1+  0.5-    990919 848  0.7-  0.1-
    990914 557  0.2+  0.5-    990915 859  0.5+  0.4-    990919 848  0.6+  0.5-
    990914 557  1.1-  0.1-    990915 859  0.1+  0.9-    990921 428  0.4+  0.7+
    990914 595  0.2-  1.3+    990915 711  0.3-  0.5-    990921 428  0.1+  0.4+
    990914 557  0.2+  0.1-    990915 711  1.2-  1.3-    990921 428  0.5-  0.3-
    990914 557  0.6-  0.6+    990915 711  0.7-  1.3-    990928 413  0.4+  0.1-
    990914 557  0.3+  0.5-    990915 848  0.5+  0.4-    990928 413  0.4+  0.1-
    990914 595  1.7-  0.8+    990915 848  0.1+  0.0     990928 413  0.4+  0.1+
    990914 595  1.1-  0.3-    990915 848  0.3+  0.5-    990928 413  0.1+  0.0
    990914 595  0.5-  1.0+    990915 848  0.1-  0.3-    990928 413  0.2+  0.1-
    990914 704  0.3-  0.0     990915 848  0.0   0.3+    991007 413  0.3+  0.2-
    990914 704  0.6-  0.2+    990915 428  0.3-  0.7-    991007 413  0.1-  0.7+
    990914 704  0.6-  0.1+    990915 428  1.3-  0.6-    991007 413  0.9+  0.1-
    990914 658  0.2+  0.6+    990916 118  0.3-  0.3+    010911 704  0.5-  0.0
    990914 658  0.6+  0.3+    990916 118  0.0   0.6+    010911 704  0.3+  0.1+
    990914 658  0.7+  0.9+    990916 118  0.3-  0.2+    010911 704  0.1+  0.2+
    990914 704  0.0   0.0     990916 595  0.9+  0.8+    010911 704  0.1-  0.5+
    990914 704  0.7-  0.0     990916 595 (0.5+  2.2-)   010911 704  0.3+  0.0
    990914 413  0.0   0.3-    990916 595 (1.1-  2.1-)   010912 474  0.0   0.0
    990914 413  0.1+  0.3-    990916 848  0.0   0.2+    010912 474  0.1-  0.2-
    990914 413  0.3+  0.0     990916 848  0.3+  1.0-    010912 474  0.1-  0.0
    990914 413  0.0   0.1+    990916 848  0.3+  0.1+    010912 474  0.1+  0.1+
    990914 595  0.1+  0.0     990916 426  0.1+  0.3-
    990914 595 (1.0+  2.8-)   990916 426  0.0   0.3-
    
    Ephemeris:
    1999 RK45                a,e,i = 1.60, 0.77, 6                   q = 0.3626
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2001 09 08    00 12.96   -14 44.3    0.431    1.422   161.3    13.1    19.3
    2001 09 13    00 00.31   -18 40.6    0.369    1.363   162.8    12.6    18.9
    2001 09 18    23 41.36   -23 47.8    0.314    1.301   158.1    16.7    18.5
    2001 09 23    23 12.62   -30 17.7    0.267    1.237   147.7    25.7    18.4
    2001 09 28    22 28.14   -37 58.9    0.231    1.171   132.7    39.0    18.3
    2001 10 03    21 19.49   -45 32.1    0.209    1.103   114.1    55.9    18.4
    2001 10 08    19 44.43   -50 00.7    0.202    1.031    93.5    75.2    18.8
    2001 10 13    18 04.60   -49 07.5    0.211    0.958    73.1    94.7    19.5
    2001 10 18    16 46.81   -44 17.9    0.234    0.881    54.5   113.0    20.5
    
    Timothy B. Spahr             (C) Copyright 2001 MPC           M.P.E.C. 2001-R33
    

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