MPEC 2004-S55 : 2004 ST26

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M.P.E.C. 2004-S55                                Issued 2004 Sept. 24, 16:07 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

                                   2004 ST26

Observations:
     K04S26T*tC2004 09 23.28461 23 03 39.17 +02 56 31.7                 ES055691
     K04S26T tC2004 09 23.31118 23 04 08.26 +03 02 25.4                 ES055691
     K04S26T tC2004 09 23.39030 23 05 30.38 +03 18 41.6          18.8 V ES055291
     K04S26T tC2004 09 23.39646 23 05 36.55 +03 19 52.9          18.7 V ES055291
     K04S26T tC2004 09 23.40066 23 05 40.78 +03 20 41.7          18.8 V ES055291
     K04S26T bC2004 09 23.84698 23 12 29.12 +04 24 33.8          18.7 R ES055J95
     K04S26T bC2004 09 23.86001 23 12 36.45 +04 26 02.5          18.9 R ES055J95
     K04S26T  C2004 09 23.87439 23 12 44.33 +04 27 37.7          19.3 R ES055J95
     K04S26T 2C2004 09 24.03120 23 14 21.41 +04 50 49.6          18.2 R ES055I05
     K04S26T 2C2004 09 24.03182 23 14 21.73 +04 50 51.2          18.5 R ES055I05
     K04S26T 2C2004 09 24.03243 23 14 22.00 +04 50 56.0          18.0 R ES055I05
     K04S26T 2C2004 09 24.03338 23 14 22.40 +04 51 01.3          18.1 R ES055I05
     K04S26T  C2004 09 24.16947 23 15 27.89 +04 57 06.1          19.3 V ES055291
     K04S26T  C2004 09 24.17568 23 15 30.07 +04 57 35.0          19.4 V ES055291
     K04S26T  C2004 09 24.18182 23 15 32.31 +04 58 05.0          19.4 V ES055291
     K04S26T  C2004 09 24.19004 23 15 34.82 +04 58 45.2          18.8 R ES055854
     K04S26T  C2004 09 24.19711 23 15 37.56 +04 59 18.5          18.8 R ES055854
     K04S26T  C2004 09 24.20418 23 15 40.05 +04 59 51.7          18.9 R ES055854
     K04S26T  C2004 09 24.27283 23 16 01.75 +05 05 08.4          19.4 R ES055448
     K04S26T  C2004 09 24.28020 23 16 04.11 +05 05 40.4          19.4 R ES055448
     K04S26T  C2004 09 24.28955 23 16 07.17 +05 06 21.8          19.2 R ES055448
     K04S26T  C2004 09 24.35522 23 16 27.86 +05 10 56.8          18.9 R ES055H06
     K04S26T  C2004 09 24.36071 23 16 29.61 +05 11 18.1          18.8 R ES055H06
     K04S26T  C2004 09 24.36619 23 16 31.42 +05 11 41.1          19.0 R ES055H06
     K04S26T  C2004 09 24.39240 23 16 41.06 +05 13 30.7          20.1 V ES055291
     K04S26T  C2004 09 24.39891 23 16 43.14 +05 13 56.2          19.8 V ES055291
     K04S26T  C2004 09 24.40533 23 16 45.22 +05 14 21.2          19.5 V ES055291

Observer details:
291 LPL/Spacewatch II.  Observers R. S. McMillan, T. H. Bressi.  1.8-m f/2.7
    reflector + CCD.
448 Desert Moon Observatory.  Observer B. L. Stevens.  0.3-m
    Schmidt-Cassegrain + CCD.
691 Steward Observatory, Kitt Peak.  Observers T. H. Bressi, M. Kuczewski.
    Measurer T. H. Bressi.  0.9-m f/3 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
H06 New Mexico Skies Observatory.  Observer R. Hutsebaut.  0.25-m reflector
    + CCD.
I05 Las Campanas Observatory-TIE.  Observers G. Masi, F. Mallia.  Measurer
    G. Masi.  0.36-m SoTIE reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.30-m f/6.3 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2004 ST26
Epoch 2004 July 14.0 TT = JDT 2453200.5                 MPC
M 350.99424              (2000.0)            P               Q
n   0.43069791     Peri.  265.59782     -0.08868242     +0.99605881
a   1.7365510      Node   359.30893     -0.85703387     -0.07707661
e   0.6711868      Incl.    7.18931     -0.50757106     -0.04388675
P   2.29           H   26.3           G   0.15           U   7
Residuals in seconds of arc
040923 691  0.3+  0.0     040924 I05  0.2-  1.1-    040924 448  0.1-  0.2-
040923 691  0.1+  1.2-    040924 I05  0.1-  0.3+    040924 448  0.4-  0.8-
040923 291  0.1+  0.1+    040924 I05  0.4-  0.4+    040924 448  0.5+  0.4-
040923 291  0.2-  0.3+    040924 291 (2.3+  2.3+)   040924 H06  0.0   0.5+
040923 291  0.1+  1.0+    040924 291  0.4+  0.4+    040924 H06  0.3-  0.5-
040923 J95  0.3-  0.2+    040924 291  0.1+  0.2+    040924 H06  0.2+  0.4+
040923 J95  0.2+  0.4+    040924 854 (3.1-  1.7+)   040924 291  0.3+  0.1-
040923 J95  0.4+  0.6-    040924 854  0.1+  0.7+    040924 291  0.2+  0.1-
040924 I05  0.9-  0.7+    040924 854  0.0   0.2-    040924 291  0.3+  0.0

Ephemeris:
2004 ST26                a,e,i = 1.74, 0.67, 7                   q = 0.5710
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2004 09 22    18 19.92   -32 28.1    0.0025   1.004    94.9    84.9    16.2
2004 09 23    22 55.89   +01 39.1    0.013    1.016   163.7    16.1    17.7
2004 09 24    23 13.83   +04 44.8    0.025    1.027   166.7    13.0    19.1
2004 09 25    23 20.05   +05 47.8    0.037    1.039   167.0    12.5    20.0
2004 09 26    23 23.23   +06 19.4    0.050    1.051   166.9    12.5    20.6
2004 09 27    23 25.17   +06 38.2    0.062    1.063   166.6    12.7    21.1
2004 09 28    23 26.51   +06 50.6    0.074    1.074   166.1    13.0    21.6
2004 09 29    23 27.49   +06 59.3    0.087    1.086   165.6    13.3    21.9
2004 09 30    23 28.26   +07 05.6    0.099    1.098   165.0    13.7    22.3
2004 10 01    23 28.90   +07 10.3    0.112    1.109   164.3    14.1    22.6
2004 10 02    23 29.44   +07 14.0    0.124    1.121   163.7    14.5    22.8

Kyle E. Smalley              (C) Copyright 2004 MPC           M.P.E.C. 2004-S55

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