• Processing (Info)

  • MPEC 2007-G20 : COMET C/2007 F1 (LONEOS)

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    Read MPEC 2007-G19 Read MPEC 2007-G21


    M.P.E.C. 2007-G20                                Issued 2007 Apr. 8, 13:21 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 C/2007 F1 (LONEOS)
    
    Observations:
        CK07F010  C2007 03 24.81626 11 14 43.56 +21 27 16.2          18.8 T EG020152
        CK07F010  C2007 03 24.82970 11 14 42.48 +21 27 28.7          18.6 T EG020152
        CK07F010  C2007 04 07.23009 10 54 42.20 +24 09 28.0          18.0 T EG020673
        CK07F010  C2007 04 07.23380 10 54 41.92 +24 09 30.7                 EG020673
        CK07F010  C2007 04 07.23819 10 54 41.49 +24 09 33.8                 EG020673
        CK07F010  C2007 04 07.24537 10 54 40.88 +24 09 37.1                 EG020673
        CK07F010  C2007 04 08.14032 10 53 23.08 +24 19 19.2          18.7 N EG020850
        CK07F010  C2007 04 08.15545 10 53 21.79 +24 19 29.2          18.8 N EG020850
        CK07F010  C2007 04 08.15579 10 53 21.51 +24 19 22.4          18.0 T EG020673
        CK07F010  C2007 04 08.16782 10 53 20.46 +24 19 29.8                 EG020673
        CK07F010  C2007 04 08.17060 10 53 20.17 +24 19 31.5          18.9 N EG020850
        CK07F010  C2007 04 08.17581 10 53 19.79 +24 19 35.7                 EG020673
        CK07F010  C2007 04 08.18299 10 53 19.18 +24 19 40.3                 EG020673
        CK07F010  C2007 04 08.18575 10 53 18.88 +24 19 40.3          19.0 N EG020850
        CK07F010  C2007 04 08.19271 10 53 18.34 +24 19 46.6                 EG020673
        CK07F010  C2007 04 08.20089 10 53 17.45 +24 19 48.8          18.9 N EG020850
        CK07F010  C2007 04 08.20486 10 53 17.27 +24 19 54.4                 EG020673
        CK07F010  C2007 04 08.21599 10 53 16.13 +24 19 58.4          19.6 N EG020850
        CK07F010  C2007 04 08.23109 10 53 14.95 +24 20 09.5          19.7 N EG020850
    
    Observer details:
    152 Moletai Astronomical Observatory.  Observers K. Cernis, J. Zdanavicius.
        Measurer K. Cernis.  0.35-m f/3.5 reflector + CCD.
    673 Table Mountain Observatory, Wrightwood.  Observers H. Rhoades, J. Young.
        Measurer J. Young.  0.61-m f/16 Cassegrain + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observers D. T. Durig, C. C. Grigsby.
        0.30-m f/9.7 Schmidt-Cassegrain + CCD.
    
    Orbital elements:
        C/2007 F1 (LONEOS)
    T 2007 Oct. 29.929 TT                                   MPC
    q   0.41096              (2000.0)            P               Q
                       Peri.  153.403       +0.911964       +0.395672
                       Node   173.028       -0.075665       -0.097638
    e   1.0            Incl.  116.677       +0.403232       -0.913187
    From 63 observations 2007 Mar. 19-Apr. 8.
    
    Ephemeris:
        C/2007 F1 (LONEOS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2007 03 31    11 05.43   +22 46.1    2.691    3.558   145.4     9.2  17.7
    2007 04 10    10 50.70   +24 38.5    2.677    3.436   132.7    12.4  17.5
    2007 04 20    10 37.14   +26 09.2    2.692    3.312   120.1    15.2  17.4
    2007 04 30    10 25.49   +27 17.4    2.727    3.186   108.0    17.5  17.2
    2007 05 10    10 16.20   +28 05.3    2.773    3.057    96.5    19.2  17.1
    2007 05 20    10 09.47   +28 36.1    2.823    2.927    85.7    20.2  16.9
    2007 05 30    10 05.29   +28 53.6    2.869    2.794    75.5    20.6  16.8
    
         Further observations of this comet are desirable.
    
    Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-G20
    

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