MPEC 2005-X19 : 2005 XB1

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M.P.E.C. 2005-X19                                Issued 2005 Dec. 5, 16:39 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
                  Supported in part by the TABASGO Foundation
             Prepared using the Tamkin Foundation Computer Network

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

                                   2005 XB1

Observations:
     K05X01B* C2005 12 04.27690 04 09 56.34 +18 42 04.0          19.1 V EX019G96
     K05X01B  C2005 12 04.28354 04 09 54.82 +18 42 13.6          19.3 V EX019G96
     K05X01B  C2005 12 04.29016 04 09 53.28 +18 42 23.3          19.3 V EX019G96
     K05X01B  C2005 12 04.29682 04 09 51.73 +18 42 32.9          19.3 V EX019G96
     K05X01B  C2005 12 04.35702 04 09 37.87 +18 43 59.1          19.3 V EX019G96
     K05X01B  C2005 12 04.35881 04 09 37.47 +18 44 01.8          19.3 V EX019G96
     K05X01B  C2005 12 04.36060 04 09 37.04 +18 44 03.9          19.3 V EX019G96
     K05X01B  C2005 12 04.36240 04 09 36.64 +18 44 06.9          19.1 V EX019G96
     K05X01B  C2005 12 05.07667 04 07 05.20 +19 00 43.6                 EX019J95
     K05X01B  C2005 12 05.08201 04 07 04.07 +19 00 51.1                 EX019J95
     K05X01B  C2005 12 05.08486 04 07 03.43 +19 00 55.1          19.9 R EX019J95
     K05X01B  C2005 12 05.20469 04 06 40.54 +19 03 50.1                 EX019682
     K05X01B  C2005 12 05.22781 04 06 35.44 +19 04 22.4                 EX019682
     K05X01B  C2005 12 05.25091 04 06 30.34 +19 04 54.1                 EX019682
     K05X01B  C2005 12 05.25988 04 06 28.61 +19 05 07.3          19.5 R EX019854
     K05X01B  C2005 12 05.26564 04 06 27.41 +19 05 15.6          19.5 R EX019854
     K05X01B  C2005 12 05.27139 04 06 26.00 +19 05 21.6          19.5 R EX019854
     K05X01B  C2005 12 05.27266 04 06 25.77 +19 05 25.0          19.7 V EX019G96
     K05X01B  C2005 12 05.27627 04 06 24.98 +19 05 30.2          19.4 V EX019G96
     K05X01B  C2005 12 05.27991 04 06 24.19 +19 05 34.8          19.3 V EX019G96
     K05X01B  C2005 12 05.28352 04 06 23.40 +19 05 39.8          19.3 V EX019G96
     K05X01B  C2005 12 05.31349 04 06 16.84 +19 06 20.3          19.7 V EX019G96
     K05X01B  C2005 12 05.31709 04 06 16.09 +19 06 24.8          19.6 V EX019G96
     K05X01B  C2005 12 05.32073 04 06 15.30 +19 06 29.9          19.7 V EX019G96
     K05X01B  C2005 12 05.32433 04 06 14.50 +19 06 34.8          19.6 V EX019G96

Observer details:
682 Kanab.  Observer E. Sheridan.  0.36-m Schmidt-Cassegrain + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  Measurers E. C. Beshore,
    E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2005 XB1
Epoch 2005 Nov. 26.0 TT = JDT 2453700.5                 MPC
M  66.96386              (2000.0)            P               Q
n   0.79754253     Peri.  233.22687     +0.58670653     +0.79550875
a   1.1515960      Node    73.38247     -0.68347580     +0.58676024
e   0.4436699      Incl.    9.09462     -0.43432278     +0.15125559
P   1.24           H   21.5           G   0.15
From 24 observations 2005 Dec. 4-5.

Ephemeris:
2005 XB1                 a,e,i = 1.15, 0.44, 9                   q = 0.6407
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2005 12 06    04 04.01   +19 21.6    0.259    1.240   168.8     8.9    19.6
2005 12 16    03 40.59   +22 03.7    0.345    1.303   153.8    19.5    20.7
2005 12 26    03 30.80   +23 41.8    0.444    1.360   141.7    26.6    21.6
2006 01 05    03 29.87   +24 52.7    0.553    1.413   131.6    31.4    22.3

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-X19

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