• Processing (Info)

    • MPEC 1993-U09 : 1993 TA = 1985 FF

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    M.P.E.C. 1993-U09                                Issued 1993 Oct. 27, 22:39 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.

          MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)

                               1993 TA = 1985 FF

Discovered 1993 Oct. 8 by R. H. McNaught at Siding Spring.

Available observations:
     J93T00A* A1993 10 08.57495 01 22 26.23 -29 06 52.2          15   V      413
     J93T00A  A1993 10 08.60273 01 22 25.41 -29 07 34.0                      413
     J93T00A  A1993 10 09.49890 01 22 02.40 -29 30 34.8                      413
     J93T00A  A1993 10 23.65786 01 15 25.42 -34 28 38.7          15.5 V      413
     J93T00A  C1993 10 27.61941 01 13 47.01 -35 27 02.1                      413
     J93T00A  C1993 10 27.62744 01 13 46.79 -35 27 08.3                      413
     J93T00A  C1993 10 27.70653 01 13 44.78 -35 28 09.6                      413
     J93T00A  C1993 10 27.70793 01 13 44.74 -35 28 10.7                      413

Observer details:
413 Siding Spring Observatory.  Observers R. H. McNaught, C. P. Cass.
    Measurer R. H. McNaught.  U.K. Schmidt, Uppsala Southern Schmidt,
    1.0-m reflector + CCD.

Orbital elements:
1993 TA = 1985 FF
Epoch 1994 Feb. 17.0 TT = JDT 2449400.5                 Marsden
M   5.98810              (2000.0)            P               Q
n   0.21488813     Peri.  271.62896     +0.30236267     -0.93624266
a   2.7605425      Node   158.01304     +0.94679063     +0.31671495
e   0.4200834      Incl.   28.55458     -0.11029199     +0.15212272
P   4.59           H   13.0           G   0.15
Residuals in seconds of arc
850317 511  1.0+  2.3+    931008 413  0.6+  0.9+    931027 413  1.0-  0.2-
850323 511  1.9-  2.1-    931009 413  0.0   0.9+    931027 413  0.6-  0.3-
850324 511  0.9+  0.1-    931023 413  1.8+  0.2-    931027 413  0.7-  0.3-
931008 413  0.6+  0.6-    931027 413  0.9-  0.3-

Ephemeris:
1993 TA                  a,e,i = 2.76, 0.42, 29
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
1993 10 20    01 17.10   -33 24.7    0.931    1.786   136.0    22.8    15.2
1993 10 30    01 12.93   -35 56.6    0.955    1.751   128.0    26.5    15.3
1993 11 09    01 10.73   -37 16.5    0.990    1.719   120.4    29.8    15.4
1993 11 19    01 11.54   -37 29.5    1.033    1.690   113.5    32.4    15.6
1993 11 29    01 15.91   -36 45.2    1.078    1.665   107.4    34.4    15.7
1993 12 09    01 23.80   -35 13.7    1.125    1.643   102.1    35.9    15.8
1993 12 19    01 34.93   -33 02.8    1.172    1.626    97.5    36.9    15.9
1993 12 29    01 48.91   -30 20.1    1.219    1.613    93.5    37.5    16.0
1994 01 08    02 05.27   -27 11.5    1.266    1.604    90.1    37.8    16.1

Brian G. Marsden                                              M.P.E.C. 1993-U09

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