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IAU Minor Planet Center

Minor Planet Center

MPEC 2004-E39 : S/2003 J 20

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M.P.E.C. 2004-E39                                Issued 2004 Mar. 13, 04:20 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

                                  S/2003 J 20

                           Revision to MPEC 2003-G67

Additional Observations:
    SK03J200  C2003 12 24.56891 11 23 46.75 +05 10 17.5                 EE039568
    SK03J200  C2003 12 24.60456 11 23 47.03 +05 10 13.0                 EE039568
    SK03J200  C2003 12 25.53734 11 23 55.36 +05 08 43.3                 EE039568
    SK03J200  C2003 12 25.56854 11 23 55.60 +05 08 40.3                 EE039568
    SK03J200  C2003 12 25.59973 11 23 55.84 +05 08 37.4                 EE039568
    SK03J200  C2004 01 24.35099 11 22 38.86 +04 55 12.2                 EE039675
    SK03J200  C2004 01 24.35621 11 22 38.79 +04 55 12.4                 EE039675
    SK03J200  C2004 01 24.36059 11 22 38.72 +04 55 13.0                 EE039675
    SK03J200  C2004 01 24.36613 11 22 38.66 +04 55 12.9                 EE039675
    SK03J200  C2004 01 24.41664 11 22 37.96 +04 55 15.1                 EE039675
    SK03J200  C2004 01 24.42146 11 22 37.87 +04 55 15.5                 EE039675

Observer details:
568 Mauna Kea.  Observers B. Gladman, J. Kavelaars, L. Allen.  Measurers
    L. Allen, B. Gladman, J. Kavelaars.  3.5-m Canada-France-Hawaii
    Telescope + CCD.
675 Palomar.  Observers B. Gladman, R. L. Allen, M. Cuk, C. Van Laerhoven
    (this last name was printed incorrectly on MPEC 2004-D41).  Measurer
    B. Gladman.  5-m Hale reflector + CCD.

Orbital elements:
S/2003 J 20
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M 229.38429              (2000.0)            P               Q
n   0.78495534     Peri.   80.69591     -0.25935658     -0.78189898
a   0.1146064      Node    43.14033     +0.14541639     -0.61190281
e   0.2735965      Incl.   56.00118     +0.95477130     -0.11920126
P   1.26           H   16.1           P/d   458.62
Residuals in seconds of arc
030209 568  0.1+  0.2+    030325 568  0.1+  0.6+    031224 568  0.4+  0.6+
030209 568  0.1+  0.1+    030325 568  0.0   0.4+    031224 568  0.0   0.4-
030209 568  0.1+  0.3+    030325 568  0.0   0.4+    031225 568  0.0   0.3+
030225 568  0.2+  0.2-    030327 568  0.1+  0.3+    031225 568  0.1-  0.2+
030225 568  0.1-  0.3-    030327 568  0.1+  0.3+    031225 568  0.2-  0.3+
030225 568  0.1+  0.2-    030327 568  0.1+  0.3+    040124 675  0.1-  0.4-
030226 568  0.5-  0.3-    030402 568  0.1+  0.4-    040124 675  0.1-  0.4-
030226 568  0.3-  0.3-    030402 568  0.5+  0.3-    040124 675  0.2-  0.0
030227 568  0.1+  0.0     030427 568  0.1+  0.1+    040124 675  0.1+  0.3-
030227 568  0.2+  0.0     030427 568  0.0   0.1+    040124 675  0.4+  0.2-
030227 568  0.2+  0.2-    030427 568  0.0   0.3+    040124 675  0.0   0.0
030305 568  0.5-  0.2-    030527 568  0.3-  0.2-
030305 568  0.2-  0.3-    030527 568  0.2-  0.2-

Ephemeris:
    S/2003 J 20                                                  q = 0.0833
Date    TT    R. A. (2000) Decl.     Delta     r_J   dR.A. ("/m)  dDecl.m1"/')
2004 03 06    11 05.53   +06 10.9    4.423    0.138  3132+/3.50+  5613-/ 93.5-
2004 03 16    11 00.38   +06 36.9    4.432    0.140  2801+/3.13+  5840-/ 97.3-
2004 03 26    10 55.54   +07 01.5    4.472    0.142  2410+/2.70+  5960-/ 99.3-
2004 04 05    10 51.32   +07 22.8    4.541    0.143  1978+/2.22+  5981-/ 99.7-
2004 04 15    10 47.99   +07 39.6    4.634    0.145  1524+/1.71+  5914-/ 98.6-
2004 04 25    10 45.70   +07 50.9    4.748    0.145  1067+/1.20+  5774-/ 96.2-
2004 05 05    10 44.57   +07 56.0    4.879    0.146   624+/0.70+  5575-/ 92.9-
2004 05 15    10 44.61   +07 55.0    5.022    0.146   205+/0.23+  5331-/ 88.9-
2004 05 25    10 45.79   +07 47.9    5.172    0.146   181-/0.20-  5052-/ 84.2-
2004 06 04    10 48.05   +07 34.9    5.324    0.145   530-/0.59-  4747-/ 79.1-
2004 06 14    10 51.30   +07 16.6    5.476    0.144   841-/0.94-  4422-/ 73.7-
2004 06 24    10 55.43   +06 53.3    5.623    0.143  1113-/1.25-  4081-/ 68.0-
2004 07 04    11 00.35   +06 25.7    5.763    0.141  1347-/1.51-  3729-/ 62.2-
2004 07 14    11 05.95   +05 54.1    5.892    0.139  1544-/1.72-  3367-/ 56.1-
2004 07 24    11 12.14   +05 19.1    6.009    0.136  1707-/1.90-  2995-/ 49.9-
2004 08 03    11 18.82   +04 41.3    6.111    0.134  1836-/2.05-  2614-/ 43.6-
2004 08 13    11 25.90   +04 01.1    6.197    0.131  1934-/2.15-  2225-/ 37.1-

Brian G. Marsden             (C) Copyright 2004 MPC           M.P.E.C. 2004-E39

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