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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-B40 : COMET C/2004 T3 (SIDING SPRING)

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M.P.E.C. 2005-B40                                Issued 2005 Jan. 21, 22:48 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

                        COMET C/2004 T3 (SIDING SPRING)

Observations:
    CK04T030  C2005 01 14.50329 02 22 39.68 -52 41 09.4          19.5 N EB040415
    CK04T030  C2005 01 14.51269 02 22 39.73 -52 41 05.6          19.6 N EB040415
    CK04T030  C2005 01 18.48722 02 22 22.97 -52 09 15.3          19.7 N EB040415
    CK04T030  C2005 01 18.49675 02 22 22.87 -52 09 11.5          19.6 N EB040415
    CK04T030  C2005 01 19.47637 02 22 20.57 -52 01 18.1          19.6 N EB040415
    CK04T030  C2005 01 19.48350 02 22 20.56 -52 01 15.2          18.6 N EB040415

Observer details:
415 Kambah, near Canberra.  Observer D. Herald.  0.36-m
    f/3.9 Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2004 T3 (Siding Spring)
Epoch 2003 May 1.0 TT = JDT 2452760.5
T 2003 Apr. 14.99387 TT                                 MPC
q   8.8639802            (2000.0)            P               Q
z  +0.0002755      Peri.  259.66317     +0.12032441     +0.66998230
 +/-0.0000170      Node    50.39301     +0.06705228     +0.73075239
e   0.9975582      Incl.   71.95996     -0.99046758     +0.13086126
Residuals in seconds of arc
041012 E12  0.1+  0.1-    041021 I05  0.6+  0.2-    041117 I05  0.4+  0.5-
041012 E12  0.3+  0.2+    041021 I05  0.2-  0.2+    041218 415  0.8-  0.2-
041012 E12  0.2+  0.0     041021 I05  0.7-  0.5-    041218 415  0.3-  0.2+
041012 E12  0.3+  0.0     041023 E12  0.0   0.5+    041220 415  0.2-  0.1+
041013 I05  1.0-  0.1-    041023 E12  0.0   0.4+    041220 415  0.4+  0.1+
041013 I05  0.6-  0.3-    041023 E12  0.1-  0.7+    041229 415  0.5-  0.1-
041013 E12  0.6+  0.8-    041023 E12  0.3+  1.0+    041230 415  0.2+  0.3-
041013 E12  0.6-  0.4+    041024 415  1.0+  1.2-    041230 415  0.1-  0.2-
041013 E12  0.0   0.3+    041024 415  1.0-  1.4+    050102 415  0.5-  0.1-
041013 E12  0.3-  0.4+    041024 415  0.1-  0.7+    050102 415  0.3+  0.3+
041013 E12  0.0   0.2-    041030 415  0.2+  0.4-    050106 415  0.8+  0.2-
041013 E12  0.3+  0.4-    041101 413  0.2+  0.2+    050106 415  0.0   0.4+
041013 E12  0.2-  0.2+    041103 415  0.7-  0.6+    050111 415  0.5+  0.5+
041015 E12  0.1-  0.1-    041103 415  0.5-  0.1+    050112 415  0.4-  0.3+
041015 E12  0.3-  1.0-    041106 415  0.4+  0.3-    050113 415  0.6-  0.7+
041015 E12  0.3-  0.6-    041106 415  0.1-  0.6+    050113 415  0.3-  0.6-
041015 E12  0.2+  0.5+    041108 413  0.1-  0.0     050114 415  0.4-  0.0
041017 I05  0.1-  0.2-    041108 413  0.0   0.1-    050114 415  0.6+  0.7-
041017 I05  0.4+  0.3-    041108 413  0.0   0.1-    050118 415  0.1-  0.4+
041017 I05  0.0   0.6+    041112 415  0.1+  0.1-    050118 415  0.8-  0.4-
041017 I05  0.1+  0.1+    041115 413  0.1+  0.1+    050119 415  0.6+  0.2+
041017 I05  0.9+  0.0     041115 413  0.3+  0.3-    050119 415  0.6+  0.4-
041017 I05  0.0   0.0     041117 I05  0.6+  0.4-
041021 I05  0.4+  0.2-    041117 I05  0.3+  0.2-

     The "original" and "future" barycentric values of 1/a are +0.000038
and +0.000067 (+/- 0.000017) AU^-1, respectively.

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-B40

Read MPEC 2005-B39 Read MPEC 2005-B41


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