• Processing (Info)

  • MPEC 2011-L33 : COMET C/2011 L4 (PANSTARRS)

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.


    Read MPEC 2011-L32 Read MPEC 2011-L34


    M.P.E.C. 2011-L33                                Issued 2011 June 8, 18:06 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://www.minorplanetcenter.net/    ISSN 1523-6714
    
                              COMET C/2011 L4 (PANSTARRS)
    
    Observations:
        CK11L040  C2011 05 24.30898 16 18 15.48 -16 47 17.8          19.1 TrEL033G96
        CK11L040  C2011 05 24.31484 16 18 15.26 -16 47 17.7          19.0 TrEL033G96
        CK11L040  C2011 05 24.32077 16 18 15.04 -16 47 17.5          18.9 TrEL033G96
        CK11L040  C2011 05 24.32660 16 18 14.86 -16 47 17.3          19.2 TrEL033G96
        CK11L040  C2011 06 06.38910 16 10 41.089-16 38 39.86         19.4 TLEL033F51
        CK11L040  C2011 06 06.40357 16 10 40.579-16 38 39.34         19.5 TLEL033F51
        CK11L040  C2011 06 06.41801 16 10 40.067-16 38 38.81         19.6 TLEL033F51
        CK11L040  C2011 06 06.43244 16 10 39.557-16 38 38.19         19.6 TLEL033F51
        CK11L040 KC2011 06 07.24743816 10 11.24 -16 38 08.5          19.1 TrEL033H21
        CK11L040 KC2011 06 07.25185516 10 11.09 -16 38 08.3          19.1 TrEL033H21
        CK11L040 KC2011 06 07.25642416 10 10.95 -16 38 08.1          19.1 TrEL033H21
        CK11L040  C2011 06 07.31225 16 10 08.97 -16 38 06.1          19.0 TrEL033G96
        CK11L040  C2011 06 07.31729 16 10 08.79 -16 38 05.8          18.9 TrEL033G96
        CK11L040  C2011 06 07.32229 16 10 08.61 -16 38 05.6          19.2 TrEL033G96
        CK11L040  C2011 06 07.32731 16 10 08.47 -16 38 05.6          19.7 TrEL033G96
        CK11L040 KC2011 06 07.34834 16 10 07.71 -16 38 04.6          19.3 TrEL033H10
        CK11L040 KC2011 06 07.35623 16 10 07.41 -16 38 04.3          19.8 TrEL033H10
        CK11L040 KC2011 06 07.36412 16 10 07.13 -16 38 03.8          19.9 TrEL033H10
        CK11L040 KC2011 06 07.38842 16 10 06.32 -16 38 04.6          19.2 TrEL033H10
        CK11L040 KC2011 06 07.39689 16 10 06.03 -16 38 03.9          18.8 TrEL033H10
        CK11L040 KC2011 06 07.40537 16 10 05.72 -16 38 03.1          19.0 TrEL033H10
        CK11L040 2C2011 06 07.44387216 10 04.403-16 38 00.98         19.2 ToEL033568
        CK11L040 2C2011 06 07.44477716 10 04.371-16 38 00.94         19.2 ToEL033568
        CK11L040 2C2011 06 07.44567916 10 04.339-16 38 00.91         19.2 ToEL033568
        CK11L040 %C2011 06 07.53026616 10 01.37 -16 37 57.8          19.0 ToEL033F65
        CK11L040 %C2011 06 07.53177916 10 01.31 -16 37 57.7          19.0 ToEL033F65
        CK11L040 %C2011 06 07.53326616 10 01.26 -16 37 57.7          19.0 ToEL033F65
        CK11L040  C2011 06 08.28686 16 09 35.24 -16 37 30.5          18.9 TrEL033G96
        CK11L040  C2011 06 08.29444 16 09 34.95 -16 37 30.0          18.8 TrEL033G96
        CK11L040  C2011 06 08.30198 16 09 34.70 -16 37 30.1          18.9 TrEL033G96
        CK11L040  C2011 06 08.30957 16 09 34.41 -16 37 29.6          18.7 TrEL033G96
        CK11L040 |C2011 06 08.31727 16 09 34.22 -16 37 29.2                cEL033H06
        CK11L040 |C2011 06 08.31917 16 09 34.13 -16 37 29.2                cEL033H06
        CK11L040 |C2011 06 08.32108 16 09 34.06 -16 37 29.1          18.5 TcEL033H06
    
    Observer details:
    568 Mauna Kea.  Observer L. Wells.  Measurers D. J. Tholen, R. J. Wainscoat.
        3.6-m Canada-France-Hawaii Telescope.
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        J. Thiel, T. Goggia.  Measurer PS1 Science Consortium.  1.8-m
        Ritchey-Chretien + CCD.
    F65 Haleakala-Faulkes Telescope North.  Observer T. Lister.  2.0-m f/10
        Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observers S. M. Larson, A. D. Grauer, A. Boattini.
        Measurers J. D. Ahern, E. C. Beshore, A. Boattini, G. J. Garradd,
        A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson,
        R. H. McNaught.  1.5-m reflector + CCD.
    H06 RAS Observatory, Mayhill.  Observer H. Sato.  0.50-m f/4.5 reflector + CCD.
    H10 Tzec Maun Observatory, Mayhill.  Observers G. Sostero, E. Guido.  0.2-m
        f/7.9 refractor + CCD, 0.35-m f/3.8 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, T. Vorobjov.  0.61-m f/4.0 astrograph + CCD.
    
    Orbital elements:
        C/2011 L4 (PANSTARRS)
    T 2013 Apr. 17.12358 TT                                 MPC
    q   0.3643742            (2000.0)            P               Q
                       Peri.  331.66357     +0.27396023     +0.40808751
                       Node    64.22546     +0.95797994     -0.03578873
    e   1.0            Incl.  104.74223     -0.08497190     +0.91224106
    From 34 observations 2011 May 24-June 8.
    
    Ephemeris:
        C/2011 L4 (PANSTARRS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2011 05 09    16 26 39.0 -16 57 41   7.4462  8.4002   159.7     2.4  19.1
    ...
    2011 05 24    16 18 26.1 -16 47 30   7.2683  8.2766   174.4     0.7  19.0
    ...
    2011 06 01    16 13 48.9 -16 42 06   7.2030  8.2103   173.0     0.9  18.9
    ...
    2011 06 07    16 10 19.9 -16 38 17   7.1677  8.1605   167.2     1.6  18.9
    2011 06 08    16 09 45.2 -16 37 40   7.1630  8.1521   166.2     1.7  18.9
    2011 06 09    16 09 10.6 -16 37 04   7.1585  8.1438   165.1     1.8  18.9
    ...
    2011 06 15    16 05 45.5 -16 33 40   7.1384  8.0937   158.8     2.6  18.8
    ...
    2011 06 23    16 01 22.2 -16 29 52   7.1283  8.0268   150.3     3.6  18.8
    ...
    2011 07 08    15 53 59.3 -16 25 46   7.1561  7.9004   134.4     5.3  18.7
    
    Gareth V. Williams           (C) Copyright 2011 MPC           M.P.E.C. 2011-L33
    

    Read MPEC 2011-L32 Read MPEC 2011-L34


    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)