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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-P22 : 2000 SB25

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M.P.E.C. 2005-P22                                Issued 2005 Aug. 3, 17:29 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

                                   2000 SB25

                           Revision to MPEC 2000-T20

Additional Observations:
     K00S25B  C2005 08 02.54933 20 54 14.53 -17 06 38.8          20.9 R EP022474
     K00S25B  C2005 08 02.55318 20 54 14.21 -17 06 37.6          20.1 R EP022474
     K00S25B IC2005 08 02.55702 20 54 13.92 -17 06 36.7          19.6 R EP022474
     K00S25B  C2005 08 02.56086 20 54 13.56 -17 06 36.4          20.3 R EP022474
     K00S25B  C2005 08 02.71197 20 53 59.79 -17 06 02.5          20.1 R EP022474
     K00S25B  C2005 08 02.71697 20 53 59.30 -17 06 01.3          20.7 R EP022474
     K00S25B  C2005 08 03.39656 20 53 01.02 -17 03 37.5          20.5 R EP022474
     K00S25B  C2005 08 03.40068 20 53 00.62 -17 03 36.9          20.4 R EP022474
     K00S25B  C2005 08 03.40459 20 53 00.27 -17 03 36.0          20.5 R EP022474
     K00S25B  C2005 08 03.40844 20 52 59.92 -17 03 35.0          20.4 R EP022474

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  1.0-m f/7.7 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
050802 474 0.20+ 0.08+    050803 474 0.20+ 0.08+    MPO  7565   -0.16 day

Orbital elements:
2000 SB25
Epoch 2005 Aug. 18.0 TT = JDT 2453600.5                 MPC
M 318.97072              (2000.0)            P               Q
n   0.38986188     Peri.   87.06265     +0.79831490     -0.59653932
a   1.8557902      Node   309.54354     +0.50115630     +0.73415384
e   0.3545134      Incl.    6.15413     +0.33396958     +0.32428226
P   2.53           H   20.5           G   0.15           U   3
Residuals in seconds of arc
000922 704  0.7+  0.5+    001004 704  0.0   0.2-    001123 696  1.1+  0.5+
000922 704  0.8+  0.6+    001004 704  0.7+  0.0     001123 696  0.4-  0.3+
000922 704  0.0   0.3+    001004 118  1.2-  0.2+    050802 474  0.6-  0.1-
000925 704  0.5-  0.2+    001004 118  0.7+  1.1+    050802 474  0.1-  0.2+
000925 704  0.9-  0.4-    001004 595  0.7+  0.1-    050802 474  0.8+  0.3+
000925 704  0.0   0.5-    001004 595  0.5+  0.7+    050802 474  0.7+  0.2-
000927 704  0.7+  0.6+    001022 046  0.4+  0.3-    050802 474  0.2+  0.0
000927 704  1.0-  0.0     001022 046  0.3+  0.9+    050802 474  0.5-  0.0
000927 704  0.3+  0.3-    001022 046  0.7+  0.8-    050803 474  0.1+  0.1-
000927 704  0.6-  0.9+    001022 046  0.4+  1.7-    050803 474  0.3-  0.3-
000927 704  0.2+  1.1-    001022 046  0.5-  1.2-    050803 474  0.1-  0.2-
001004 704  0.6-  0.4+    001023 540  0.4-  0.4+    050803 474  0.1-  0.0
001004 704  0.0   0.5-    001023 540  0.7-  0.2-
001004 704  0.7-  0.1+    001023 540  0.8-  0.2-

Ephemeris:
2000 SB25                a,e,i = 1.86, 0.35, 6                   q = 1.1979
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 07 29    21 00.55   -17 22.0    0.592    1.605   173.3     4.2    20.8
2005 08 08    20 46.04   -16 46.3    0.545    1.557   173.8     4.0    20.5
2005 08 18    20 30.61   -15 59.9    0.517    1.510   160.7    12.8    20.7
2005 08 28    20 17.21   -15 01.4    0.506    1.464   148.1    21.4    20.9
2005 09 07    20 08.39   -13 53.0    0.507    1.419   136.5    29.3    21.1
2005 09 17    20 05.70   -12 36.8    0.518    1.377   126.4    36.0    21.2
2005 09 27    20 09.38   -11 13.8    0.533    1.337   117.8    41.5    21.4
2005 10 07    20 19.08   -09 42.6    0.551    1.300   110.7    46.0    21.5
2005 10 17    20 34.17   -07 59.9    0.569    1.269   105.0    49.4    21.6
2005 10 27    20 53.87   -06 03.3    0.586    1.242   100.4    51.9    21.7
2005 11 06    21 17.59   -03 50.5    0.604    1.221    96.9    53.7    21.8
2005 11 16    21 44.80   -01 20.3    0.622    1.206    94.2    54.8    21.9
2005 11 26    22 14.95   +01 25.6    0.641    1.199    92.4    55.3    21.9
2005 12 06    22 47.63   +04 24.1    0.664    1.199    91.1    55.3    22.0

Kyle E. Smalley              (C) Copyright 2005 MPC           M.P.E.C. 2005-P22

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