• MPC Preparation (Info)

  • MPEC 2007-F69 : COMET C/2007 F1 (LONEOS)

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    M.P.E.C. 2007-F69                                Issued 2007 Mar. 23, 16:31 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 20.89203 11 20 33.99 +20 34 24.2          19.3 N EF069235
        CK07F010  C2007 03 21.94539 11 19 00.43 +20 48 46.1                 EF069J95
        CK07F010  C2007 03 21.95088 11 18 59.93 +20 48 50.3          19.8 N EF069J95
        CK07F010  C2007 03 22.91943 11 17 33.59 +21 01 57.9          19.4 N EF069213
        CK07F010  C2007 03 22.92033 11 17 33.51 +21 01 58.7          19.4 N EF069213
        CK07F010  C2007 03 22.92922 11 17 32.69 +21 02 05.6          19.4 N EF069213
        CK07F010  C2007 03 22.93270 11 17 32.37 +21 02 08.4          19.4 N EF069213
        CK07F010  C2007 03 22.93793 11 17 31.86 +21 02 12.5          19.4 N EF069213
        CK07F010  C2007 03 22.96828 11 17 28.62 +21 02 31.4          19.6 N EF069J70
        CK07F010  C2007 03 22.96875 11 17 28.76 +21 02 31.1          19.3 N EF069J70
        CK07F010  C2007 03 23.13378 11 17 14.46 +21 04 49.3          19.7 N EF069850
        CK07F010  C2007 03 23.17174 11 17 11.06 +21 05 19.5          19.7 N EF069850
        CK07F010  C2007 03 23.20981 11 17 07.66 +21 05 52.0          19.7 N EF069850
    
    Observer details:
    213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
        f/10 Schmidt-Cassegrain + CCD.
    235 CAST Observatory, Talmassons.  Observer R. Ligustri.  0.35-m f/5 reflector
        + CCD.
    850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.30-m f/9.7
        Schmidt-Cassegrain + 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:
        C/2007 F1 (LONEOS)
    T 2007 Nov. 8.790 TT                                    MPC
    q   0.48869              (2000.0)            P               Q
                       Peri.  150.660       +0.893031       +0.441297
                       Node   174.105       -0.019013       -0.158495
    e   1.0            Incl.  120.987       +0.449594       -0.883253
    From 40 observations 2007 Mar. 19-23.
    
    Ephemeris:
        C/2007 F1 (LONEOS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2007 03 21    11 20.41   +20 35.9    2.798    3.737   157.3     5.9  18.0
    2007 03 31    11 05.45   +22 46.0    2.752    3.618   145.4     9.0  17.8
    2007 04 10    10 50.75   +24 38.5    2.741    3.499   132.7    12.1  17.6
    2007 04 20    10 37.21   +26 09.3    2.759    3.377   120.1    14.9  17.5
    2007 04 30    10 25.57   +27 17.9    2.798    3.254   108.0    17.1  17.4
    2007 05 10    10 16.27   +28 06.3    2.848    3.128    96.5    18.7  17.2
    2007 05 20    10 09.47   +28 38.0    2.902    3.001    85.7    19.6  17.1
    2007 05 30    10 05.17   +28 56.5    2.953    2.871    75.5    20.0  16.9
    
         Further observations of this comet are desirable.
    
    Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-F69
    

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