MPEC 2003-C55 : 2000 AD6

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M.P.E.C. 2003-C55                                Issued 2003 Feb. 10, 17:31 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

                                   2000 AD6

                           Revision to MPEC 2000-A19

Additional Observations:
     K00A06D 9C2003 01 29.05493 01 09 13.96 -18 47 44.1          21.4 R      809
     K00A06D 9C2003 01 29.05633 01 09 14.17 -18 47 41.4          21.3 R      809
     K00A06D 9C2003 01 29.05771 01 09 14.35 -18 47 39.2          21.1 R      809
     K00A06D 9C2003 01 30.03322 01 11 40.82 -18 17 06.9          21.1 R      809
     K00A06D 9C2003 01 30.03495 01 11 41.07 -18 17 03.7          21.5 R      809
     K00A06D 9C2003 01 30.03667 01 11 41.33 -18 17 00.6          21.2 R      809
     K00A06D 9C2003 01 30.03842 01 11 41.57 -18 16 57.4          21.4 R      809

Observer details:
809 European Southern Observatory, La Silla.  Observers A. Boattini,
    O. Hainaut, R. Michelsen.  Measurers A. Boattini, H. Scholl, G. Hahn,
    M. Carpino, G. Forti, G. D'Abramo.  3.58-m New Technology Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
030129 809 0.05+ 0.02+    030130 809 0.05+ 0.02+    MPC 39568   -0.13 day

Orbital elements:
2000 AD6
Epoch 2002 Nov. 22.0 TT = JDT 2452600.5                 MPC
M 324.78103              (2000.0)            P               Q
n   0.29947425     Peri.  334.92919     -0.01506875     -0.88729223
a   2.2125668      Node   112.93138     +0.98086697     -0.10260823
e   0.4251356      Incl.   30.03415     +0.19409511     +0.44964881
P   3.29           H   18.7           G   0.15           U   2
Residuals in seconds of arc
000104 704  0.6+  0.3+    000106 118  0.4-  0.8+    000127 595  0.4-  0.7-
000104 704  0.6+  0.0     000106 118  0.3-  0.5+    000127 595  0.1+  0.3-
000104 704  0.8+  0.5+    000106 118  0.6-  0.5+    000127 595  0.0   0.4-
000104 704  0.2-  0.5+    000106 651  0.6+  0.0     000130 587  0.2-  0.1-
000104 704  0.2-  0.2+    000106 704  0.1+  0.8-    000130 587  0.6-  0.2+
000105 704  0.0   0.6+    000106 651  1.6+  0.2+    000130 587  0.2-  0.5+
000105 704  0.6-  0.1-    000106 651 (2.1+  0.1-)   000227 540  0.0   0.0
000105 670  1.7-  0.1-    000106 704  0.0   0.0     000227 540  0.4-  0.4+
000105 704  0.2+  0.2+    000106 699  1.5-  0.8-    000227 540  0.2-  0.4-
000105 704  0.2-  0.5-    000106 704  0.4+  0.9-    000227 540  0.1-  0.5+
000105 670  0.5+  0.0     000106 704  0.4+  1.0-    000227 540  0.1+  0.1+
000105 670  0.4+  0.5+    000106 699  0.3+  1.3-    000227 540  0.4+  0.5+
000105 422  0.3-  0.3+    000106 704  0.1+  0.0     000228 747  0.2-  0.1+
000105 422  0.4-  0.2+    000106 704  1.2+  0.6-    000228 747  0.4+  0.2+
000105 422  0.0   0.3+    000106 699  1.0+  1.5-    000228 747  0.3+  0.1+
000105 587  0.1-  1.0-    000106 704  0.7+  0.3-    030129 809  0.2+  0.4+
000105 587  0.5+  0.1-    000113 046  0.5+  0.1-    030129 809  0.2+  0.5+
000105 557  0.2-  0.5+    000113 046  0.2+  0.6+    030129 809  0.2-  0.1+
000105 557  0.1-  0.3+    000113 046  0.0   0.5+    030130 809  0.1-  0.2+
000106 046  0.6-  0.3+    000113 046  0.1-  0.3+    030130 809  0.2-  0.1+
000106 046  0.8-  0.0     000118 402  0.5-  1.3-    030130 809  0.1-  0.0
000106 046  0.7-  1.0+    000118 402  0.3-  0.2-    030130 809  0.4-  0.1-
000106 046  0.3+  0.6+    000118 402  0.3-  0.9+

Ephemeris:
2000 AD6                 a,e,i = 2.21, 0.43, 30                  q = 1.2719
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 02 10    01 39.77   -12 23.2    1.508    1.325    59.9    40.1    21.8
2003 02 20    02 06.42   -06 48.0    1.518    1.301    58.0    40.1    21.8
2003 03 02    02 34.12   -01 08.1    1.535    1.284    56.3    39.9    21.8
2003 03 12    03 02.97   +04 28.2    1.559    1.274    54.6    39.5    21.8
2003 03 22    03 33.05   +09 51.6    1.592    1.272    53.0    38.7    21.8
2003 04 01    04 04.45   +14 53.1    1.634    1.278    51.4    37.7    21.8

A. U. Tomatic                (C) Copyright 2003 MPC           M.P.E.C. 2003-C55

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