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  • MPEC 2006-U66 : COMET P/2006 U1 (LINEAR)

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    M.P.E.C. 2006-U66                                Issued 2006 Oct. 28, 22:05 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.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
              URL http://cfa-www.harvard.edu/iau/mpc.html  ISSN 1523-6714
    
                               COMET P/2006 U1 (LINEAR)
    
    Observations:
        PK06U010  C2006 10 20.71474 07 20 35.07 +27 30 06.2          18.1 T EU066D35
        PK06U010  C2006 10 21.42598 07 16 46.95 +27 25 40.3          18.0 T EU066704
        PK06U010  C2006 10 21.42946 07 16 45.77 +27 25 41.2          17.0 N EU066H06
        PK06U010  C2006 10 21.43652 07 16 43.46 +27 25 38.4          17.1 N EU066H06
        PK06U010  C2006 10 21.45129 07 16 38.65 +27 25 33.5          17.8 T EU066704
        PK06U010  C2006 10 21.46370 07 16 34.58 +27 25 28.8          17.7 T EU066704
        PK06U010  C2006 10 21.75305 07 15 02.12 +27 23 57.3          17.2 N EU066415
        PK06U010  C2006 10 21.75737 07 15 00.74 +27 23 56.1          17.5 N EU066415
        PK06U010  C2006 10 22.05336 07 13 26.72 +27 21 27.0                 EU066J95
        PK06U010  C2006 10 22.05934 07 13 24.81 +27 21 24.4                 EU066J95
        PK06U010  C2006 10 22.06456 07 13 23.10 +27 21 22.9          16.9 N EU066J95
        PK06U010  C2006 10 22.10917 07 13 08.85 +27 21 10.1          17.3 N EU066941
        PK06U010  C2006 10 22.11221 07 13 07.85 +27 21 08.9          17.3 N EU066941
        PK06U010  C2006 10 22.11395 07 13 07.28 +27 21 08.2          17.4 N EU066941
        PK06U010  C2006 10 22.11657 07 13 06.43 +27 21 07.2          17.4 N EU066941
        PK06U010  C2006 10 22.21992 07 12 32.60 +27 20 27.5          16.7 N EU066J70
        PK06U010  C2006 10 22.22160 07 12 32.12 +27 20 25.6          16.9 N EU066J70
        PK06U010  C2006 10 22.22258 07 12 31.60 +27 20 25.7          16.8 N EU066J70
        PK06U010  C2006 10 22.22719 07 12 30.17 +27 20 24.7          16.7 N EU066J70
        PK06U010  C2006 10 22.22872 07 12 29.64 +27 20 23.6          16.4 N EU066J70
        PK06U010  C2006 10 22.23024 07 12 29.21 +27 20 21.9          16.9 N EU066J70
        PK06U010  C2006 10 23.36422 07 06 28.86 +27 12 16.1          17.2 N EU066850
        PK06U010  C2006 10 23.36882 07 06 27.36 +27 12 13.4          17.1 N EU066850
        PK06U010  C2006 10 23.37360 07 06 25.87 +27 12 11.2          17.4 N EU066850
        PK06U010  C2006 10 23.37824 07 06 24.32 +27 12 09.8          17.2 N EU066850
        PK06U010  C2006 10 23.38291 07 06 22.80 +27 12 07.9          17.0 N EU066850
        PK06U010  C2006 10 23.38542 07 06 22.55 +27 12 04.5          16.8 N EU066673
        PK06U010  C2006 10 23.38751 07 06 21.46 +27 12 05.4          17.2 N EU066850
        PK06U010  C2006 10 23.39448 07 06 19.02 +27 12 03.3          17.1 N EU066850
        PK06U010  C2006 10 23.39902 07 06 17.54 +27 12 02.2          16.2 N EU066850
        PK06U010  C2006 10 23.40354 07 06 16.06 +27 11 59.1          17.5 N EU066850
        PK06U010  C2006 10 23.42546 07 06 09.57 +27 11 47.9                 EU066673
        PK06U010  C2006 10 23.43264 07 06 07.24 +27 11 44.9                 EU066673
        PK06U010  C2006 10 23.44572 07 06 02.97 +27 11 39.3                 EU066673
        PK06U010  C2006 10 23.45564 07 05 59.52 +27 11 36.4          17.1 N EU066H06
        PK06U010  C2006 10 23.46083 07 05 57.81 +27 11 33.9          17.0 N EU066H06
        PK06U010  C2006 10 23.46558 07 05 56.28 +27 11 32.0          17.0 N EU066H06
        PK06U010  C2006 10 23.46869 07 05 55.28 +27 11 30.4          17.3 N EU066H06
        PK06U010  C2006 10 23.47354 07 05 53.68 +27 11 28.2          17.3 N EU066H06
        PK06U010   2006 10 23.68542 07 04 47.35 +27 09 48.3          17.8 T EU066372
        PK06U010  C2006 10 24.43596 07 00 47.82 +27 03 56.7          17.4 N EU066850
        PK06U010  C2006 10 24.44054 07 00 46.35 +27 03 54.5          17.2 N EU066850
        PK06U010  C2006 10 24.44510 07 00 44.84 +27 03 51.7          17.5 N EU066850
        PK06U010  C2006 10 24.44966 07 00 43.37 +27 03 50.2          17.4 N EU066850
        PK06U010  C2006 10 24.45426 07 00 41.83 +27 03 48.0          17.0 N EU066850
        PK06U010  C2006 10 24.45884 07 00 40.37 +27 03 45.7          17.2 N EU066850
        PK06U010  C2006 10 24.46342 07 00 38.88 +27 03 43.6          17.0 N EU066850
        PK06U010  C2006 10 25.13657 06 57 06.06 +26 58 03.6          17.2 N EU066A11
        PK06U010  C2006 10 25.13809 06 57 05.46 +26 58 02.9          17.2 N EU066A11
        PK06U010  C2006 10 25.13959 06 57 05.04 +26 58 02.3          17.2 N EU066A11
        PK06U010  C2006 10 25.14110 06 57 04.71 +26 58 01.0          17.0 N EU066A11
        PK06U010  C2006 10 25.34320 06 56 01.07 +26 56 24.7          16.0 N EU066850
        PK06U010  C2006 10 25.34803 06 55 59.40 +26 56 20.3          16.6 N EU066850
        PK06U010  C2006 10 25.35799 06 55 56.14 +26 56 14.8          17.0 N EU066850
        PK06U010  C2006 10 25.36203 06 55 55.00 +26 56 12.9          17.3 N EU066850
        PK06U010  C2006 10 25.73313 06 53 57.59 +26 53 00.2                 EU066349
        PK06U010  C2006 10 25.73783 06 53 56.06 +26 52 58.0                 EU066349
        PK06U010  C2006 10 25.74252 06 53 54.54 +26 52 55.4          17.2 T EU066349
        PK06U010  C2006 10 27.05503 06 47 00.98 +26 40 52.5          17.1 N EU066585
        PK06U010  C2006 10 27.06241 06 46 58.38 +26 40 48.1          17.1 N EU066585
        PK06U010  C2006 10 27.06672 06 46 56.71 +26 40 45.3          17.1 N EU066585
        PK06U010  C2006 10 27.07103 06 46 55.37 +26 40 43.0          17.0 N EU066585
        PK06U010  C2006 10 27.07535 06 46 53.94 +26 40 40.5          17.1 N EU066585
        PK06U010  C2006 10 27.07999 06 46 52.58 +26 40 38.0          17.2 N EU066585
        PK06U010  C2006 10 27.08618 06 46 50.69 +26 40 34.7          16.9 N EU066585
        PK06U010  C2006 10 27.08922 06 46 49.87 +26 40 33.5          17.2 N EU066585
        PK06U010  C2006 10 27.09490 06 46 47.86 +26 40 29.7          16.9 N EU066585
        PK06U010  C2006 10 27.15801 06 46 27.63 +26 39 55.2          16.9 T EU066A41
        PK06U010  C2006 10 27.16778 06 46 24.84 +26 39 47.5          16.9 N EU066A11
        PK06U010  C2006 10 27.16940 06 46 24.24 +26 39 46.7          16.8 N EU066A11
        PK06U010  C2006 10 27.17102 06 46 23.75 +26 39 46.0          16.8 N EU066A11
        PK06U010  C2006 10 27.17264 06 46 23.15 +26 39 44.9          16.8 N EU066A11
        PK06U010  C2006 10 27.17426 06 46 22.67 +26 39 44.1          16.9 N EU066A11
        PK06U010  C2006 10 27.18047 06 46 20.72 +26 39 40.4                 EU066J95
        PK06U010  C2006 10 27.18373 06 46 19.36 +26 39 39.9          17.7 T EU066A41
        PK06U010  C2006 10 27.18457 06 46 19.46 +26 39 38.1                 EU066J95
        PK06U010  C2006 10 27.18860 06 46 18.14 +26 39 35.6          17.1 N EU066J95
        PK06U010  C2006 10 27.39343 06 45 14.47 +26 37 43.0          16.9 T EU066703
        PK06U010  C2006 10 27.39998 06 45 12.38 +26 37 39.2          16.9 T EU066703
        PK06U010  C2006 10 27.40656 06 45 10.26 +26 37 35.7          16.9 T EU066703
        PK06U010  C2006 10 27.41312 06 45 08.13 +26 37 32.0          16.9 T EU066703
        PK06U010  C2006 10 27.44803 06 44 56.86 +26 37 11.9          16.8 T EU066703
        PK06U010  C2006 10 27.44890 06 44 56.68 +26 37 11.6          16.8 T EU066703
        PK06U010  C2006 10 28.11322 06 41 28.04 +26 30 34.3          17.0 N EU066118
        PK06U010  C2006 10 28.11478 06 41 27.55 +26 30 33.4          17.0 N EU066118
        PK06U010  C2006 10 28.13474 06 41 21.16 +26 30 21.5          16.8 N EU066118
        PK06U010  C2006 10 28.14018 06 41 19.42 +26 30 18.2          16.9 N EU066118
        PK06U010  C2006 10 28.40014 06 39 58.73 +26 27 44.7          17.0 T EU066703
        PK06U010  C2006 10 28.40710 06 39 56.51 +26 27 40.9                 EU066703
        PK06U010  C2006 10 28.41405 06 39 54.26 +26 27 36.5                 EU066703
        PK06U010  C2006 10 28.42103 06 39 52.05 +26 27 32.7                 EU066703
    
    Observer details:
    118 Modra.  Observers S. Gajdos, J. Vilagi.  0.6-m f/5.5 reflector + CCD.
    349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
    372 Geisei.  Observer T. Seki.  0.60-m f/3.5 reflector.
    415 Kambah, near Canberra.  Observer D. Herald.  0.36-m f/3.9
        Schmidt-Cassegrain + CCD.
    585 Kiev comet station.  Observer A. Baransky.  0.7-m f/4 reflector + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer J. Young.  0.61-m f/16
        Cassegrain + CCD.
    703 Catalina Sky Survey.  Observer E. J. Christensen.  Measurers E. C. Beshore,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill,
        R. A. Kowalski, S. M. Larson.  0.68-m Schmidt + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Bezpalko, L. Manguso,
        D. Torres, R. Kracke, H. Love, G. Spitz, J. Kistler.  Measurers J. Stuart,
        J. Kommers.  1.0-m f/2.15 reflector + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observers D. T. Durig, C. C. Grigsby.
        0.30-m f/5 Schmidt-Cassegrain + CCD, 0.30-m f/9.7 Schmidt-Cassegrain + CCD.
    941 Observatorio Pla D'Arguines.  Observers R. Ferrando, M. Ferrando.
        Measurer R. Ferrando.  0.36-m f/10 Schmidt-Cassegrain + CCD.
    A11 Wormhout.  Observer S. Takbou.  0.20-m f/10 Schmidt-Cassegrain + CCD.
    A41 Rezman Observatory, Kamnik.  Observer R. Palcic.  0.40-m f/3.6 reflector
        + CCD.
    D35 Lulin Observatory.  Observers H.-C. Lin, C.-S. Lin, Q.-z. Ye.  Measurer
        Q.-z. Ye.  0.41-m f/8.8 Ritchey-Chretien + CCD.
    H06 RAS Observatory, Mayhill.  Observers E. Guido, G. Sostero, R. Hutsebaut,
        M. Suzuki.  0.25-m f/3.4 reflector + CCD.
    J70 Obs. Astronomico Vega del Thader, El Palmar.  Observer J. P. Navarro P.
        0.20-m Schmidt-Cassegrain + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
        + CCD.
    
    Orbital elements:
        P/2006 U1 (LINEAR)
    T 2006 Aug. 28.514 TT                                   MPC
    q   0.51126              (2000.0)            P               Q
    n   0.214264       Peri.   64.072       +0.560921       +0.817990
    a   2.76590        Node   240.633       -0.802242       +0.499043
    e   0.81515        Incl.    8.414       -0.204391       +0.286092
    P   4.60
    From 174 observations 2006 Oct. 19-28.
    
    Ephemeris:
        P/2006 U1 (LINEAR)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2006 10 22    07 13.72   +27 22.0    0.409    1.152   101.9    57.7   8.7
    2006 10 27    06 47.30   +26 41.5    0.424    1.222   112.7    48.6   9.0
    2006 11 01    06 21.38   +25 48.2    0.443    1.291   123.5    39.9   9.3
    2006 11 06    05 56.43   +24 44.2    0.467    1.359   134.1    31.6   9.7
    2006 11 11    05 32.97   +23 32.8    0.498    1.425   144.5    23.8  10.0
    2006 11 16    05 11.53   +22 18.2    0.535    1.490   154.6    16.6  10.4
    2006 11 21    04 52.48   +21 04.8    0.580    1.554   164.1    10.0  10.7
    2006 11 26    04 36.04   +19 56.1    0.633    1.617   172.9     4.3  11.1
    2006 12 01    04 22.21   +18 54.8    0.693    1.678   176.9     1.8  11.5
    
    Brian G. Marsden             (C) Copyright 2006 MPC           M.P.E.C. 2006-U66
    

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