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IAU Minor Planet Center

Minor Planet Center

MPEC 2002-M20 : 2002 GD11

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M.P.E.C. 2002-M20                                Issued 2002 June 21, 11:26 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

                                   2002 GD11

                           Revision to MPEC 2002-H13

Observations:
     K02G11D 2 1999 08 17.76250 02 10 50.19 -09 40 52.5                      260
     K02G11D 2 1999 08 17.80416 02 10 52.18 -09 41 08.3                      260
     K02G11D  C1999 10 16.26281 01 32 48.62 -13 46 39.2          19.0        704
     K02G11D  C1999 10 16.28295 01 32 46.97 -13 46 34.2          19.6        704
     K02G11D  C1999 10 16.29981 01 32 45.57 -13 46 28.6          19.1        704
     K02G11D  C1999 10 16.31542 01 32 44.42 -13 46 23.4          19.3        704
     K02G11D  C1999 10 16.33404 01 32 42.81 -13 46 18.7          19.2        704

Observer details:
260 Siding Spring-DSS.  Trail located and measured by ANEOPP (M. Read,
    A. Boattini, G. Forti).  1.2-m Schmidt.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, F. Shelly,
    M. Bezpalko, R. Huber, L. Manguso, S. Adams, J. Piscitelli.  Measurers
    J. Stuart, R. Sayer, J. B. Evans, H. Viggh.  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
990817 260 0.56- 0.48-    991016 704 0.72- 0.39-    MPO 30736   +0.58 day

Orbital elements:
2002 GD11
Epoch 2002 May 6.0 TT = JDT 2452400.5                   MPC
M 332.35969              (2000.0)            P               Q
n   0.31705252     Peri.  200.80864     +0.44303413     +0.88287146
a   2.1300113      Node    95.76783     -0.79882170     +0.46761953
e   0.4403772      Incl.    9.00640     -0.40694552     +0.04324303
P   3.11           H   17.7           G   0.15           U   2
Residuals in seconds of arc
990817 260  1.5+  0.1-    020508 704  0.7-  0.6-    020531 157  0.8-  0.2+
990817 260  0.7+  0.3-    020508 704  0.6-  0.1+    020531 157  0.1+  0.3+
991016 704  0.4-  0.3+    020509 670  0.7+  0.1+    020531 157  0.1-  0.5+
991016 704  0.6-  0.4-    020509 670  0.2+  0.7+    020601 151  0.4-  0.1-
991016 704  1.1-  0.4+    020509 670  0.5-  0.2-    020601 151  0.0   0.1-
991016 704  0.6+  1.1+    020510 071  1.7+  0.9-    020601 151  0.2+  0.0
991016 704  0.9-  0.4+    020510 071  1.9+  1.2-    020601 151  0.0   0.0
020408 704  0.8+  1.0+    020510 071  0.2-  1.5-    020601 118  0.1-  0.2+
020408 704  0.1-  0.6-    020513 644 (2.5+  0.8-)   020601 118  0.1-  0.1-
020408 704  0.5+  0.2-    020513 644  0.3+  0.0     020601 118  0.1-  0.2+
020410 704  0.1+  0.8+    020513 644  0.6+  0.0     020604 704  0.3+  0.3-
020410 704  0.6+  0.8+    020513 952  1.0+  0.4+    020604 704  0.4+  0.4-
020410 704  0.1+  0.4+    020513 952  0.7+  0.3+    020604 704  0.4+  0.1-
020410 704  0.1+  0.5-    020513 952  0.2-  0.3+    020604 704  0.7+  0.0
020410 704  0.6-  0.4+    020514 118  0.1-  0.1-    020607 704  0.4+  0.2-
020414 291  0.3+  0.0     020514 118  0.2+  0.0     020607 704  0.1-  0.1+
020414 291  0.2+  0.1+    020514 118  0.1+  0.1+    020607 704  0.1-  0.4-
020414 291  0.2+  0.0     020514 670  0.2+  0.2-    020607 704  0.8+  1.0-
020417 704  0.1-  1.7+    020514 670  0.6+  0.4-    020608 644  0.1-  0.2+
020417 704  0.3-  1.9+    020514 670  0.7-  0.5-    020608 644  0.0   0.5+
020417 704  0.0   1.7+    020514 670  0.8-  1.0-    020608 644  0.1-  0.2+
020417 704  0.4+  1.4+    020514 469  0.3+  0.1-    020610 704  0.4-  0.2-
020418 704  0.6+  0.3-    020514 469  0.2+  0.1-    020610 704  0.6-  0.2-
020418 704  0.1-  0.7-    020514 469  0.0   0.1-    020610 704  0.3-  0.1-
020418 704  0.3+  0.1-    020514 469  0.0   0.0     020610 704  0.2-  0.1+
020418 704  0.1+  0.3+    020514 469  0.2-  0.0     020610 704  0.3-  0.5+
020418 704  0.4+  0.7+    020515 118  0.2+  0.3+    020612 118  0.2-  0.1+
020418 704  0.5+  0.7+    020515 118  0.1-  0.1-    020612 118  0.0   0.1+
020418 704  0.5+  0.3+    020515 118  0.7-  0.3-    020612 118  0.4+  0.1+
020418 704  0.8+  1.1+    020515 322  0.3-  0.9+    020614 704  0.1-  0.3+
020421 941  1.9-  0.4-    020515 322  0.8-  0.1+    020614 704  0.1-  0.6+
020421 941  2.0-  0.9-    020515 322  1.6-  0.8-    020614 704  0.2-  0.2+
020421 941  1.6-  0.6-    020515 151  0.0   0.7+    020614 704  0.1+  0.3+
020421 941  0.4+  0.6-    020515 151  0.4+  0.0     020614 704  0.2-  0.3+
020422 691  0.5-  0.7+    020515 151  0.0   0.1-    020614 157  0.1+  0.2+
020422 691  0.4-  0.8+    020515 151  0.4-  0.2+    020614 157  0.0   0.2-
020422 691  0.9-  1.1+    020515 215  0.4+  0.1+    020614 157  0.0   0.9+
020422 413  0.1+  0.7-    020515 215  0.3+  0.0     020614 157  0.0   0.3+
020422 413  0.1-  0.7-    020515 215  0.4+  0.4+    020614 611  0.1+  0.5-
020422 413  0.1+  0.7-    020515 118  0.1+  0.2-    020614 611  0.2-  0.8-
020501 413  0.3-  0.4-    020515 118  0.7+  0.5-    020615 291  0.3-  0.0
020501 413  0.3-  0.4-    020517 704  0.9-  0.9+    020615 291  0.2-  0.1+
020501 413  0.3-  0.5-    020517 704  0.6-  0.9+    020615 291  0.3-  0.0
020501 413  0.1-  0.6-    020517 704  0.6-  0.8+    020615 941  0.4+  0.1+
020502 413  0.0   0.0     020517 704  0.6-  0.9+    020615 941  1.0+  0.0
020502 413  0.0   0.1-    020519 322  0.7-  0.7-    020615 941  0.1+  0.0
020503 670  0.8-  1.1-    020519 322  0.4-  1.3+    020615 941  0.5-  0.1+
020503 670  0.8-  0.5-    020519 322  0.8-  0.6-    020615 941  0.1+  0.1+
020503 670  0.2-  0.2-    020520 104  0.3+  0.1-    020616 291  0.1-  0.3-
020507 704  0.8+  0.5-    020520 104  0.1+  0.0     020616 291  0.1-  0.6-
020507 704  0.8+  0.4-    020520 104  0.2-  0.1+    020616 291  0.1-  0.4-
020507 704  1.0+  0.3-    020520 104  0.4+  0.3-    020616 151  0.7-  0.3+
020507 704  0.6+  0.5-    020520 611  0.3+  0.1-    020616 611  0.4-  0.2-
020507 704  0.4+  0.4-    020520 611  0.1+  0.1+    020616 151  0.3-  0.4+
020508 246  0.5+  0.6-    020530 428  0.6+  0.1-    020616 611  0.1-  0.0
020508 246  0.9+  1.2-    020530 428  0.3+  0.3-    020616 151  0.2-  0.2+
020508 246  0.1-  0.5-    020530 428  0.3+  0.2-    020616 611  0.2-  0.0
020508 246  0.3+  0.3-    020531 611  0.2+  0.6+    020616 151  0.2-  0.1+
020508 704  1.0+  0.7+    020531 611  0.3-  0.2+    020618 428  0.2-  0.1+
020508 704  0.1-  0.1+    020531 611  0.2+  0.3+    020618 428  0.5+  0.1+
020508 704  0.3+  0.4-    020531 157  0.6+  0.6+

Ephemeris:
2002 GD11                a,e,i = 2.13, 0.44, 9                   q = 1.1920
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2002 06 15    15 24.89   -05 46.0    0.317    1.287   144.6    27.2    17.0
2002 06 25    15 21.86   -10 30.0    0.300    1.253   137.0    33.6    17.0
2002 07 05    15 25.21   -16 21.1    0.291    1.225   130.3    39.3    17.0
2002 07 15    15 36.61   -22 55.5    0.289    1.205   124.9    43.8    17.1
2002 07 25    15 57.43   -29 40.6    0.294    1.194   121.1    46.8    17.2
2002 08 04    16 28.40   -35 55.4    0.307    1.192   118.7    48.3    17.3
2002 08 14    17 09.56   -40 55.6    0.327    1.200   117.5    48.5    17.5
2002 08 24    17 58.77   -44 04.0    0.356    1.215   117.1    47.8    17.7
2002 09 03    18 51.20   -45 03.5    0.395    1.240   117.1    46.4    17.9
2002 09 13    19 41.50   -44 05.1    0.444    1.271   117.0    44.8    18.2
2002 09 23    20 26.17   -41 39.2    0.504    1.309   116.6    43.2    18.5
2002 10 03    21 04.29   -38 19.7    0.575    1.353   115.7    41.8    18.8
2002 10 13    21 36.73   -34 32.8    0.657    1.401   114.0    40.6    19.1
2002 10 23    22 04.76   -30 36.5    0.751    1.452   111.8    39.5    19.5
2002 11 02    22 29.53   -26 41.4    0.855    1.506   108.9    38.6    19.8
2002 11 12    22 52.02   -22 52.8    0.970    1.561   105.6    37.6    20.1
2002 11 22    23 12.90   -19 13.5    1.095    1.618   101.8    36.7    20.4
2002 12 02    23 32.63   -15 44.8    1.229    1.675    97.7    35.7    20.7
2002 12 12    23 51.58   -12 26.5    1.371    1.733    93.3    34.6    21.0
2002 12 22    00 09.99   -09 18.5    1.520    1.791    88.7    33.3    21.3
2003 01 01    00 28.02   -06 20.6    1.674    1.848    83.9    31.9    21.5
2003 01 11    00 45.81   -03 32.1    1.831    1.905    78.9    30.4    21.7
2003 01 21    01 03.44   -00 52.9    1.991    1.961    73.9    28.8    21.9

Gareth V. Williams           (C) Copyright 2002 MPC           M.P.E.C. 2002-M20

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