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IAU Minor Planet Center

Minor Planet Center

MPEC 2005-B13 : COMET C/2005 B1 (CHRISTENSEN)

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M.P.E.C. 2005-B13                                Issued 2005 Jan. 17, 17:33 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/2005 B1 (CHRISTENSEN)

Observations:
    CK05B010  C2005 01 16.46322 14 28 27.36 +19 00 31.6          17.4 T EB013703
    CK05B010  C2005 01 16.47279 14 28 27.59 +19 00 38.2          17.1 T EB013703
    CK05B010  C2005 01 16.48240 14 28 27.90 +19 00 44.7          17.1 T EB013703
    CK05B010  C2005 01 16.49201 14 28 28.14 +19 00 51.2          17.2 T EB013703
    CK05B010  C2005 01 16.52118 14 28 29.13 +19 01 11.6          18.0 T EB013673
    CK05B010  C2005 01 16.52303 14 28 29.18 +19 01 13.1                 EB013673
    CK05B010  C2005 01 16.52463 14 28 29.12 +19 01 13.6          18.0 N EB013734
    CK05B010  C2005 01 16.52798 14 28 29.15 +19 01 15.3          18.4 N EB013734
    CK05B010  C2005 01 16.53218 14 28 29.44 +19 01 19.6                 EB013673
    CK05B010  C2005 01 16.53565 14 28 29.50 +19 01 21.7                 EB013673
    CK05B010  C2005 01 16.54248 14 28 29.67 +19 01 26.3                 EB013673
    CK05B010  C2005 01 17.03163 14 28 42.78 +19 06 59.3                 EB013246
    CK05B010  C2005 01 17.03215 14 28 42.77 +19 07 00.3                 EB013246
    CK05B010  C2005 01 17.03343 14 28 42.82 +19 07 00.8                 EB013246
    CK05B010  C2005 01 17.03495 14 28 42.85 +19 07 01.6                 EB013246
    CK05B010  C2005 01 17.03560 14 28 42.87 +19 07 02.1                 EB013246
    CK05B010  C2005 01 17.03617 14 28 42.91 +19 07 02.8                 EB013246
    CK05B010  C2005 01 17.05308 14 28 43.29 +19 07 14.4          18.7 N EB013198
    CK05B010  C2005 01 17.05415 14 28 43.32 +19 07 15.1          18.7 N EB013198
    CK05B010  C2005 01 17.05630 14 28 43.38 +19 07 16.7          18.7 N EB013198
    CK05B010  C2005 01 17.05899 14 28 43.45 +19 07 18.6          18.7 N EB013198
    CK05B010  C2005 01 17.06598 14 28 43.65 +19 07 23.2          18.7 N EB013198
    CK05B010  C2005 01 17.48793 14 28 54.71 +19 12 13.9          17.2 T EB013703
    CK05B010  C2005 01 17.49763 14 28 54.95 +19 12 20.3          17.4 T EB013703
    CK05B010  C2005 01 17.50732 14 28 55.20 +19 12 26.9          17.0 T EB013703
    CK05B010  C2005 01 17.51701 14 28 55.47 +19 12 33.6          17.2 T EB013703

Observer details:
198 Wildberg.  Observer R. Apitzsch.  0.35-m f/4.2 reflector + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.6-m
    reflector + CCD.
703 Catalina Sky Survey.  Observer E. J. Christensen.  Measurers E. C. Beshore,
    C. M. Casey, E. J. Christensen, G. J. Garradd, R. E. Hill, S. M. Larson,
    R. H. McNaught.  0.68-m Schmidt + CCD.
734 Farpoint Observatory.  Observer G. Hug.  0.4-m f/6 Schmidt-Cassegrain
    + CCD.

Orbital elements:
    C/2005 B1 (Christensen)
T 2005 Feb. 14.399 TT                                   MPC
q   5.28914              (2000.0)            P               Q
                   Peri.   34.624       -0.794410       +0.566786
                   Node   192.641       -0.425656       -0.263100
e   1.0            Incl.   86.060       +0.433277       +0.780726
From 22 observations 2005 Jan. 16-17.

Ephemeris:
    C/2005 B1 (Christensen)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2005 01 10    14 25.38   +17 50.1    5.316    5.296    83.5    10.6  16.9
2005 01 20    14 29.98   +19 41.5    5.167    5.293    91.9    10.7  16.8
2005 01 30    14 33.58   +21 46.2    5.026    5.290   100.2    10.6  16.7
2005 02 09    14 36.02   +24 03.0    4.897    5.289   108.2    10.2  16.7
2005 02 19    14 37.16   +26 29.7    4.786    5.289   115.6     9.7  16.6
2005 03 01    14 36.91   +29 02.6    4.695    5.290   122.2     9.1  16.6

Brian G. Marsden             (C) Copyright 2005 MPC           M.P.E.C. 2005-B13

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