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Minor Planet Center

MPEC 2003-Y95 : 2002 JS100

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M.P.E.C. 2003-Y95                                Issued 2003 Dec. 30, 21:37 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 Steven and Michele Kirsch Foundation
             Prepared using the Tamkin Foundation Computer Network

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

                                  2002 JS100

                           Revision to MPEC 2002-K03

Additional Observations:
     K02JA0S HC2003 12 19.44016 09 29 17.28 +09 21 17.8          21.6 V EY095291
     K02JA0S HC2003 12 19.44428 09 29 17.22 +09 21 18.2          22.4 V EY095291
     K02JA0S HC2003 12 19.44906 09 29 17.08 +09 21 19.2          21.8 V EY095291
     K02JA0S HC2003 12 29.42994 09 24 41.07 +09 53 17.9          22.0 V EY095291
     K02JA0S HC2003 12 29.43446 09 24 40.83 +09 53 20.3          22.3 V EY095291
     K02JA0S HC2003 12 29.44619 09 24 40.59 +09 53 21.1          22.6 V EY095291

Observer details:
291 LPL/Spacewatch II.  Observers A. S. Descour, A. E. Gleason.  1.8-m f/2.7
    reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
031219 291 24.3-  3.5+    031229 291 24.2-  3.1+    MPO 41766   -0.0015 day

Orbital elements:
2002 JS100
Epoch 2003 Dec. 27.0 TT = JDT 2453000.5                 MPC
M 113.40142              (2000.0)            P               Q
n   0.26790799     Peri.  191.26310     +0.90841537     +0.39585212
a   2.3831183      Node   144.44958     -0.36335629     +0.90665714
e   0.4868590      Incl.   13.37254     -0.20676973     +0.14585584
P   3.68           H   16.6           G   0.15           U   3
Residuals in seconds of arc
020511 644  0.3+  0.3+    020529 644  0.4+  0.0     020714 715  0.1-  0.4+
020511 644  0.4+  0.4+    020529 644  0.6+  0.1+    020714 715  0.2+  0.3+
020511 644  0.5+  0.2+    020529 046  0.4+  0.1+    020801 649  0.1+  0.0
020515 704  0.9+  0.0     020529 046  0.0   0.2-    020801 649  0.2+  0.3+
020515 704  0.7-  0.4+    020529 046  0.0   0.1-    020801 649  0.6-  0.3+
020515 704  0.2+  1.1-    020531 046  0.6+  0.3+    020906 715  1.1+  0.5+
020515 704  0.9-  0.1+    020531 046  0.2-  0.0     020906 715  0.1+  0.6+
020515 644  0.2+  0.1-    020531 046  1.0+  0.5+    021128 711  1.8+  0.0
020515 704  0.0   0.1-    020531 046  0.1+  0.5-    021128 711  1.8-  0.1+
020515 644  0.1+  0.2+    020531 046  0.4+  0.0     021128 711  0.4-  0.8-
020515 644  0.9+  0.1-    020603 704  0.5-  0.5-    021202 474  0.3-  0.7+
020515 246  0.0   0.2+    020603 704  0.6-  0.3-    021202 474  0.3-  0.2+
020515 246  0.1+  0.0     020603 704  0.8-  0.4-    021202 474  0.8-  0.2+
020515 246  0.0   0.4+    020606 699  0.6-  0.7+    030130 448  1.1+  1.5+
020515 246  0.0   0.2+    020606 699  0.6-  0.7+    030130 448  0.5-  2.3+
020516 704  0.5+  0.1+    020606 699  0.6-  1.0+    030130 448 (0.9-  3.4+)
020516 704  0.2+  0.3-    020606 699  0.1-  0.9+    031219 291  0.1-  0.3+
020516 704  0.2+  0.3+    020614 704  0.3+  0.5+    031219 291  0.3+  0.0
020516 704  0.1-  0.3-    020614 704  1.6-  0.3+    031219 291  0.2-  0.3+
020516 704  0.0   0.1-    020614 704  0.8-  0.5-    031229 291  0.2-  0.3+
020520 611  0.3+  0.7+    020708 649  0.1-  0.1-    031229 291  1.3-  1.7+
020520 611  0.1+  0.2-    020708 649  0.3-  0.7-    031229 291  1.3+  0.3-
020520 611  0.4-  0.2-    020708 649  0.4+  0.8-
020529 644  0.7+  0.2+    020714 715  0.4-  0.3-

Ephemeris:
2002 JS100               a,e,i = 2.38, 0.49, 13                  q = 1.2229
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2003 12 27    09 26.02   +09 44.2    2.423    3.183   133.8    12.9    21.8
2004 01 06    09 19.74   +10 26.7    2.353    3.212   145.6    10.0    21.6
2004 01 16    09 11.57   +11 21.2    2.307    3.240   157.8     6.6    21.5
2004 01 26    09 02.12   +12 24.2    2.292    3.266   170.0     3.0    21.3
2004 02 05    08 52.21   +13 31.0    2.308    3.291   174.6     1.6    21.2
2004 02 15    08 42.72   +14 36.6    2.357    3.315   163.3     4.9    21.5
2004 02 25    08 34.47   +15 36.9    2.436    3.337   151.2     8.2    21.7
2004 03 06    08 28.07   +16 28.9    2.542    3.359   139.5    11.1    21.9

Gareth V. Williams           (C) Copyright 2003 MPC           M.P.E.C. 2003-Y95

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