• Processing (Info)

  • MPEC 2007-B25 : COMET P/2007 B1 (CHRISTENSEN)

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    M.P.E.C. 2007-B25                                Issued 2007 Jan. 20, 16:17 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/2007 B1 (CHRISTENSEN)
    
    Observations:
        PK07B010  C2007 01 17.27421 08 57 29.84 +32 29 41.0          18.6 T EB025703
        PK07B010  C2007 01 17.28117 08 57 29.62 +32 29 45.3          18.8 T EB025703
        PK07B010  C2007 01 17.28812 08 57 29.37 +32 29 49.0          18.6 T EB025703
        PK07B010  C2007 01 17.29506 08 57 29.26 +32 29 52.2          18.9 T EB025703
        PK07B010  C2007 01 17.32828 08 57 28.22 +32 30 08.7          18.3 T EB025703
        PK07B010  C2007 01 17.33629 08 57 28.01 +32 30 12.6                 EB025703
        PK07B010  C2007 01 17.34425 08 57 27.78 +32 30 16.7                 EB025703
        PK07B010  C2007 01 17.35222 08 57 27.49 +32 30 21.4                 EB025703
        PK07B010  C2007 01 17.44252 08 57 24.67 +32 31 04.4          18.7 T EB025703
        PK07B010  C2007 01 17.44450 08 57 24.58 +32 31 06.2                 EB025703
        PK07B010  C2007 01 18.05718 08 57 07.21 +32 36 04.6          18.9 N EB025118
        PK07B010  C2007 01 18.05983 08 57 07.24 +32 36 06.8                 EB025118
        PK07B010  C2007 01 18.06366 08 57 07.08 +32 36 08.0          18.9 N EB025118
        PK07B010  C2007 01 18.06778 08 57 06.89 +32 36 09.4          19.0 N EB025118
        PK07B010  C2007 01 19.17181 08 56 34.82 +32 45 04.3          19.5 N EB025734
        PK07B010  C2007 01 19.17839 08 56 34.62 +32 45 06.8          19.0 N EB025734
        PK07B010  C2007 01 19.18351 08 56 34.47 +32 45 09.6          19.4 N EB025734
        PK07B010  C2007 01 19.95252 08 56 11.08 +32 51 17.7          18.8 N EB025470
        PK07B010  C2007 01 19.97302 08 56 10.38 +32 51 26.9          18.6 T EB025204
        PK07B010  C2007 01 20.00207 08 56 09.46 +32 51 41.5          18.8 N EB025176
        PK07B010  C2007 01 20.00346 08 56 09.42 +32 51 42.2          18.9 N EB025176
        PK07B010  C2007 01 20.00624 08 56 09.32 +32 51 43.4          18.7 N EB025176
        PK07B010  C2007 01 20.01590 08 56 09.00 +32 51 47.9          18.9 N EB025176
        PK07B010  C2007 01 20.04280 08 56 08.09 +32 52 00.0                 EB025204
        PK07B010  C2007 01 20.04365 08 56 08.03 +32 52 00.6          18.2 T EB025473
        PK07B010  C2007 01 20.05451 08 56 07.70 +32 52 05.5          18.3 T EB025473
        PK07B010  C2007 01 20.06666 08 56 07.29 +32 52 11.1          18.4 T EB025473
        PK07B010  C2007 01 20.07621 08 56 07.02 +32 52 16.1          18.4 T EB025473
        PK07B010  C2007 01 20.08706 08 56 06.63 +32 52 20.8          18.0 T EB025473
        PK07B010  C2007 01 20.34479 08 55 58.96 +32 54 24.3          19.3 T EB025673
        PK07B010  C2007 01 20.35174 08 55 58.73 +32 54 27.3                 EB025673
        PK07B010  C2007 01 20.35868 08 55 58.49 +32 54 30.9                 EB025673
        PK07B010  C2007 01 20.36563 08 55 58.27 +32 54 34.1                 EB025673
        PK07B010  C2007 01 20.37257 08 55 58.04 +32 54 37.3                 EB025673
        PK07B010  C2007 01 20.37951 08 55 57.80 +32 54 40.8                 EB025673
    
    Observer details:
    118 Modra.  Observers J. Vilagi, L. Kornos.  0.6-m f/5.5 reflector + CCD.
    176 Observatori Astronomic de Consell.  Observers A. Lopez, R. Pacheco.
        0.41-m f/4 reflector + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
        + CCD.
    470 Ceccano.  Observers G. Masi, S. Foglia.  Measurer G. Masi.  0.28-m f/5
        reflector + CCD.
    473 Remanzacco.  Observers G. Sostero, L. Donato.  0.45-m f/4.4 Newtonian
        reflector + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observer D. Mayes.  0.6-m
        reflector + 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.
    734 Farpoint Observatory.  Observer G. Hug.  0.7-m reflector + CCD.
    
    Orbital elements:
        P/2007 B1 (Christensen)
    T 2007 Feb. 8.351 TT                                    MPC
    q   2.42086              (2000.0)            P               Q
    n   0.072969       Peri.   54.294       -0.638410       -0.742109
    a   5.67165        Node    76.702       +0.620877       -0.653334
    e   0.57317        Incl.   12.114       +0.454912       -0.149765
    P  13.5
    From 35 observations 2007 Jan. 17-20.
    
    Ephemeris:
        P/2007 B1 (Christensen)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2007 01 20    08 56.16   +32 51.7    1.467    2.426   163.2     6.7  18.2
    2007 01 30    08 50.58   +34 03.0    1.461    2.422   163.8     6.5  18.2
    2007 02 09    08 44.87   +34 54.5    1.479    2.421   157.7     8.9  18.2
    2007 02 19    08 40.23   +35 21.9    1.521    2.422   149.0    12.1  18.3
    2007 03 01    08 37.72   +35 24.8    1.585    2.427   139.8    15.3  18.4
    2007 03 11    08 37.90   +35 05.7    1.666    2.434   130.8    18.0  18.5
    2007 03 21    08 40.95   +34 28.1    1.763    2.445   122.3    20.1  18.6
    2007 03 31    08 46.73   +33 35.2    1.872    2.458   114.3    21.7  18.8
    
    Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-B25
    

    Read MPEC 2007-B24 Read MPEC 2007-B26


    MPEC number:

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    • B01 (the abbreviated form)