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Minor Planet Center

MPEC 2005-L61 : 2003 SW222

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M.P.E.C. 2005-L61                                Issued 2005 June 13, 18:45 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 Brinson Foundation
             Prepared using the Tamkin Foundation Computer Network

                              MPC@CFA.HARVARD.EDU
          URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                  2003 SW222

                           Revision to MPEC 2003-T12

Additional Observations:
     K03SM2W 7C2005 06 12.41906 23 49 50.31 +12 06 53.8                 EL061696
     K03SM2W 7C2005 06 12.43535 23 49 51.85 +12 07 14.6                 EL061696
     K03SM2W  C2005 06 13.44648 23 51 33.80 +12 28 25.3          20.7 V EL061G96
     K03SM2W  C2005 06 13.45164 23 51 34.30 +12 28 31.8          20.5 V EL061G96
     K03SM2W  C2005 06 13.45679 23 51 34.84 +12 28 38.1          20.5 V EL061G96
     K03SM2W  C2005 06 13.46194 23 51 35.35 +12 28 44.7          20.8 V EL061G96

Observer details:
696 Whipple Observatory, Mt. Hopkins.  Observers M. Calkins, T. B. Spahr.
    Measurer T. B. Spahr.  1.2-m reflector + CCD.
G96 Mt. Lemmon Survey.  Observer E. J. Christensen.  Measurers E. C. Beshore,
    C. M. Casey, E. J. Christensen, G. J. Garradd, A. Grauer, R. E. Hill,
    S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
050612 696  8.7+  4.6+    050613 G96  8.0+  4.0+    MPO 66314   -0.0071 day

Orbital elements:
2003 SW222
Epoch 2005 Jan. 30.0 TT = JDT 2453400.5                 MPC
M 205.68963              (2000.0)            P               Q
n   0.46057718     Peri.  164.80401     +0.01397954     -0.96292536
a   1.6606105      Node   283.82239     +0.88603528     +0.13679827
e   0.2479934      Incl.   16.10747     +0.46340700     -0.23251018
P   2.14           H   17.2           G   0.15           U   2
Residuals in seconds of arc
030930 704  0.8+  1.3+    031128 699  0.6-  0.1+    040127 704  0.1-  0.1-
030930 704  0.5+  0.0     031128 699  0.5-  0.0     040127 704  0.1+  0.4+
030930 704  1.3+  0.4+    031128 699  0.4+  0.1-    040127 704  0.0   0.3-
030930 704  0.4+  0.5+    031128 699  1.3-  0.6-    040127 704  0.2-  0.2-
030930 704  0.5+  0.2-    031128 699  0.4-  0.6-    040311 735  0.2-  0.4+
031001 G90  0.3+  0.3+    031128 699  0.2-  0.9-    040311 735  0.1-  0.3+
031001 673  0.8+  0.2-    031128 699  1.1-  0.0     040311 735  0.1-  0.3+
031001 G90  0.6+  0.3+    031128 699  0.1-  0.6-    040311 474  0.1-  0.4+
031001 673  1.6+  0.2-    031130 704  0.4+  0.1+    040311 474  0.1-  0.3+
031001 G90  0.2+  0.2-    031130 704  1.3+  0.3+    040311 474  0.3-  0.3+
031001 673  0.5+  0.3+    031130 704  0.6+  0.7+    040316 644  0.5-  0.3+
031001 673  0.3-  0.2+    031130 703  1.1+  0.4+    040316 644  0.2-  0.0
031002 854 (2.8+  0.2+)   031130 704  0.2+  0.2-    040316 644  0.1-  0.2-
031002 854  1.7-  0.1-    031130 703  0.0   1.6-    040326 704  0.2+  0.7+
031002 854  1.0+  0.4-    031130 704  0.1+  0.2+    040326 704  0.1-  0.4+
031002 G90  1.4+  0.3+    031130 691  0.1-  0.2+    040326 704  0.1+  0.2+
031002 G90  0.8+  0.7+    031130 703  1.0+  1.0-    040326 704  0.0   0.4+
031002 333  0.2+  0.4-    031130 703  0.6+  0.9-    040326 704  0.5-  0.3+
031002 333  0.6+  0.0     031130 691  0.2+  0.1-    040412 428  0.2-  0.9-
031002 333  0.2+  0.2-    031130 691  0.0   0.1+    040412 428  0.1-  0.1-
031005 J95  0.2+  0.4-    031205 703  0.3-  0.5-    040412 E12  0.1+  0.3-
031005 J95  0.5-  0.6-    031205 703  1.2-  0.2-    040412 E12  0.2+  0.6-
031005 J95  0.4-  0.4-    031205 703  0.6-  0.5-    040412 E12  0.4+  0.6-
031006 926  0.1-  0.3-    031205 703  0.3+  0.3+    040412 E12  0.1+  0.2-
031006 926  0.4+  0.1-    031213 703  0.3+  0.6+    040416 E17  0.0   0.2+
031006 926  0.0   0.0     031213 703  0.1-  0.4-    040416 E17  0.3+  0.4+
031022 704  0.2+  1.2+    031213 703  0.6+  0.9+    040416 E17  0.1+  0.2+
031022 704  1.4+  1.1+    031213 703  0.5-  0.1+    040420 428  0.7+  0.7-
031022 704  0.5-  1.1+    031221 703  0.0   0.3+    040420 428  0.4+  0.3+
031022 704  0.5-  0.1-    031221 703  0.5+  0.3-    040420 428  0.9-  0.2+
031029 568  0.1-  0.1+    031221 703  0.1+  0.0     040423 E12  0.4-  0.9+
031029 568  0.2-  0.1+    031221 703  0.6+  0.2-    040423 E12  0.3-  0.0
031102 448  0.2-  0.4-    040101 E14  0.1-  0.5+    040423 E12  0.0   0.3+
031102 448  0.1-  0.4-    040101 E14  0.2-  0.3-    040423 E12  0.8+  0.2+
031102 448  0.1-  0.3-    040101 E14  0.1+  0.3-    040424 E17  0.6+  0.2+
031120 704  0.2-  0.2-    040111 670  0.9+  0.6-    040424 E17  0.5+  0.4-
031120 704  0.2+  0.5+    040111 670  0.8+  0.6-    040424 E17 (1.4+  2.2+)
031120 704  0.1-  0.1+    040116 703  0.0   0.5+    040524 926  0.7-  0.4+
031120 704  0.8+  0.1+    040116 703  0.5-  0.2+    040524 926  0.4-  0.9-
031121 699  0.6-  0.5+    040116 703  0.2+  0.4+    040524 926  0.4-  0.2-
031121 699  0.2-  0.8-    040116 703  0.2-  0.3+    050612 696  0.8+  0.5+
031121 699  0.2-  0.0     040126 699  0.3+  0.3-    050612 696  0.5-  0.8+
031121 699  0.0   0.4-    040126 699  0.2+  0.0     050613 G96  0.2-  0.1+
031123 704  1.0+  0.5+    040126 699  0.2+  0.6-    050613 G96  0.4-  0.1+
031123 704  1.4+  0.9+    040126 699  0.2-  0.9-    050613 G96  0.1+  0.1-
031123 704  1.3+  0.4-    040127 704  0.7-  0.8+    050613 G96  0.0   0.1-

Ephemeris:
2003 SW222               a,e,i = 1.66, 0.25, 16                  q = 1.2488
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 06 09    23 44.07   +10 55.9    1.703    1.788    77.7    33.7    21.0
2005 06 19    00 00.86   +14 26.4    1.584    1.758    81.9    34.9    20.9
2005 06 29    00 17.53   +18 05.8    1.467    1.727    86.1    36.0    20.7
2005 07 09    00 34.09   +21 54.3    1.353    1.695    90.2    36.9    20.5
2005 07 19    00 50.52   +25 51.5    1.244    1.662    94.2    37.6    20.3
2005 07 29    01 06.85   +29 57.1    1.139    1.629    98.1    38.1    20.1
2005 08 08    01 22.98   +34 10.4    1.039    1.595   101.9    38.5    19.8
2005 08 18    01 38.82   +38 29.4    0.946    1.561   105.6    38.6    19.6
2005 08 28    01 54.23   +42 51.7    0.860    1.527   109.2    38.7    19.3
2005 09 07    02 08.84   +47 13.3    0.779    1.493   112.7    38.5    19.1
2005 09 17    02 22.18   +51 28.0    0.706    1.460   116.0    38.2    18.8
2005 09 27    02 33.58   +55 28.1    0.639    1.427   119.2    37.8    18.5
2005 10 07    02 41.92   +59 02.1    0.578    1.396   122.3    37.2    18.2
2005 10 17    02 46.11   +61 54.8    0.523    1.367   125.3    36.5    18.0
2005 10 27    02 45.50   +63 47.5    0.473    1.340   128.4    35.5    17.7
2005 11 06    02 40.87   +64 15.8    0.429    1.316   131.7    34.3    17.4
2005 11 16    02 35.85   +62 56.2    0.391    1.295   134.9    32.7    17.1
2005 11 26    02 34.93   +59 33.1    0.360    1.277   138.0    31.1    16.8
2005 12 06    02 40.91   +54 03.6    0.338    1.263   140.2    30.0    16.7
2005 12 16    02 53.91   +46 50.3    0.328    1.254   140.3    30.1    16.6
2005 12 26    03 12.03   +38 41.3    0.332    1.250   137.8    31.9    16.6
2006 01 05    03 33.38   +30 38.9    0.351    1.250   133.0    35.1    16.9
2006 01 15    03 56.61   +23 35.3    0.384    1.254   127.3    38.6    17.2
2006 01 25    04 20.70   +17 53.3    0.430    1.263   121.6    41.6    17.5
2006 02 04    04 45.25   +13 32.0    0.485    1.277   116.4    43.8    17.8
2006 02 14    05 10.04   +10 17.7    0.547    1.294   111.8    45.1    18.2
2006 02 24    05 34.91   +07 54.0    0.616    1.316   107.7    45.8    18.5
2006 03 06    05 59.89   +06 06.3    0.691    1.340   104.1    45.9    18.8
2006 03 16    06 24.93   +04 42.0    0.770    1.367   100.8    45.6    19.0
2006 03 26    06 49.98   +03 32.0    0.853    1.396    97.7    45.1    19.3
2006 04 05    07 15.03   +02 29.5    0.940    1.427    94.7    44.3    19.5
2006 04 15    07 40.03   +01 29.0    1.030    1.459    91.7    43.4    19.8
2006 04 25    08 04.88   +00 27.4    1.123    1.493    88.8    42.4    20.0
2006 05 05    08 29.59   -00 37.8    1.220    1.526    85.9    41.2    20.2
2006 05 15    08 54.07   -01 48.0    1.319    1.561    83.0    40.0    20.4
2006 05 25    09 18.29   -03 03.5    1.422    1.595    79.9    38.7    20.5
2006 06 04    09 42.24   -04 24.7    1.526    1.629    76.8    37.3    20.7
2006 06 14    10 05.91   -05 51.0    1.632    1.662    73.6    35.9    20.8
2006 06 24    10 29.30   -07 21.8    1.740    1.695    70.4    34.4    21.0
2006 07 04    10 52.45   -08 56.4    1.848    1.727    67.0    32.8    21.1
2006 07 14    11 15.38   -10 33.6    1.957    1.757    63.5    31.2    21.2
2006 07 24    11 38.14   -12 12.4    2.065    1.787    60.0    29.5    21.3

Gareth V. Williams           (C) Copyright 2005 MPC           M.P.E.C. 2005-L61

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