• MPC Preparation (Info)

  • MPEC 2012-Y01 : COMET C/2012 X2 (PANSTARRS)

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    Read MPEC 2012-X103 Read MPEC 2012-Y02


    M.P.E.C. 2012-Y01                                Issued 2012 Dec. 16, 03:45 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 https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                              COMET C/2012 X2 (PANSTARRS)
    
    Observations:
        CK12X020  C2012 12 12.52892 07 43 03.667+06 29 07.92         20.0 TLEY001F51
        CK12X020  C2012 12 12.54241 07 43 03.353+06 29 03.05         20.0 TLEY001F51
        CK12X020  C2012 12 12.55557 07 43 03.048+06 28 58.49         19.6 TLEY001F51
        CK12X020  C2012 12 12.56790 07 43 02.750+06 28 54.09         19.6 TLEY001F51
        CK12X020 |C2012 12 13.20290 07 42 48.26 +06 25 13.9          19.5 TuEY001807
        CK12X020 |C2012 12 13.20695 07 42 48.16 +06 25 13.1          19.4 TuEY001807
        CK12X020 |C2012 12 13.21100 07 42 48.08 +06 25 11.7          19.3 TuEY001807
        CK12X020 |C2012 12 13.21503 07 42 47.96 +06 25 10.4          19.4 TuEY001807
        CK12X020 |C2012 12 13.23997 07 42 47.45 +06 24 59.9                cEY001H06
        CK12X020 |C2012 12 13.24295 07 42 47.40 +06 24 58.7                cEY001H06
        CK12X020 |C2012 12 13.24593 07 42 47.34 +06 24 57.6          18.9 TcEY001H06
        CK12X020  C2012 12 13.26631 07 42 46.80 +06 24 50.1          18.3 ToEY001H01
        CK12X020  C2012 12 13.27017 07 42 46.71 +06 24 48.8          18.2 ToEY001H01
        CK12X020  C2012 12 13.28104 07 42 46.45 +06 24 45.0          18.2 ToEY001H01
        CK12X020  C2012 12 13.29039 07 42 46.23 +06 24 41.7          18.2 ToEY001H01
        CK12X020 2C2012 12 13.51034507 42 41.037+06 23 25.80         19.0 TtEY001568
        CK12X020 2C2012 12 13.51270507 42 40.982+06 23 24.98         18.9 TtEY001568
        CK12X020 2C2012 12 13.51504307 42 40.929+06 23 24.17         19.0 TtEY001568
        CK12X020 2C2012 12 13.62989907 42 38.141+06 22 44.31         19.0 TtEY001568
        CK12X020 2C2012 12 13.63084707 42 38.118+06 22 43.98         18.9 TtEY001568
        CK12X020 |C2012 12 14.22712 07 42 24.12 +06 19 19.9          19.5 TuEY001807
        CK12X020 |C2012 12 14.23056 07 42 24.05 +06 19 18.6          19.5 TuEY001807
        CK12X020 |C2012 12 14.23319 07 42 23.99 +06 19 17.6          19.5 TuEY001807
        CK12X020 |C2012 12 14.23642 07 42 23.92 +06 19 16.4          19.5 TuEY001807
        CK12X020 |C2012 12 14.23925 07 42 23.85 +06 19 15.5          19.5 TuEY001807
        CK12X020  C2012 12 14.28666407 42 22.67 +06 18 59.2          18.9 TtEY001W85
        CK12X020  C2012 12 14.29031507 42 22.58 +06 18 58.0          18.9 TtEY001W85
        CK12X020  C2012 12 14.29395007 42 22.48 +06 18 56.7          18.9 TtEY001W85
        CK12X020  C2012 12 14.29758407 42 22.41 +06 18 55.5          18.8 TtEY001W85
        CK12X020  C2012 12 14.30121707 42 22.32 +06 18 54.3          18.9 TtEY001W85
        CK12X020 KC2012 12 14.34003607 42 21.41 +06 18 38.6          18.5 TrEY001H21
        CK12X020 KC2012 12 14.34365307 42 21.32 +06 18 37.3          18.6 TrEY001H21
        CK12X020 KC2012 12 14.34727207 42 21.22 +06 18 36.3          18.7 TrEY001H21
        CK12X020 KC2012 12 14.94361 07 42 06.99 +06 15 11.5          18.5 TtEY001J04
        CK12X020 KC2012 12 14.94963 07 42 06.82 +06 15 09.4          18.5 TtEY001J04
        CK12X020 KC2012 12 14.95566 07 42 06.67 +06 15 07.3          18.5 TtEY001J04
        CK12X020 |C2012 12 15.23323 07 41 59.82 +06 13 34.8          19.6 TuEY001807
        CK12X020 |C2012 12 15.23669 07 41 59.71 +06 13 33.5          19.5 TuEY001807
        CK12X020 |C2012 12 15.23933 07 41 59.66 +06 13 32.6          19.4 TuEY001807
        CK12X020 |C2012 12 15.24259 07 41 59.56 +06 13 31.5          19.6 TuEY001807
        CK12X020 |C2012 12 15.24543 07 41 59.51 +06 13 30.6          19.2 TuEY001807
        CK12X020  C2012 12 15.34995 07 41 56.98 +06 12 52.0          19.1 TcEY001704
        CK12X020  C2012 12 15.37693 07 41 56.25 +06 12 43.0          19.5 TcEY001704
        CK12X020  C2012 12 15.39028 07 41 55.98 +06 12 40.4          19.8 TcEY001704
        CK12X020 KC2012 12 15.94613 07 41 42.28 +06 09 30.4          17.9 TtEY001J04
        CK12X020 KC2012 12 15.95215 07 41 42.13 +06 09 28.0          18.3 TtEY001J04
        CK12X020 KC2012 12 15.95817 07 41 41.97 +06 09 25.8          18.4 TtEY001J04
    
    Observer details:
    568 Mauna Kea.  Observers M. Micheli, G. T. Elliott.  Measurer D. J. Tholen.
        2.24-m University of Hawaii reflector.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
        R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
        f/2.15 reflector + CCD.
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        T. Goggia.  Measurer PS1 Science Consortium.  1.8-m Ritchey-Chretien
        + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H06 iTelescope Observatory, Mayhill.  Observer H. Sato.  0.43-m f/6.8
        astrograph + CCD + f/4.5 focal reducer.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers L. Buzzi, H. Devore, S. Foglia, T. Vorobjov.  0.61-m f/4.0
        astrograph + CCD.
    J04 ESA Optical Ground Station, Tenerife.  Observer P. Ruiz.  Measurers
        D. Koschny, M. Busch, A. Knoefel, E. Schwab.  1.0-m f/4.4 reflector + CCD.
    W85 Cerro Tololo-LCOGT A.  Observer T. Lister.  1.0-m f/8 Ritchey-Chretien
        + CCD.
    
    Orbital elements:
        C/2012 X2 (PANSTARRS)
    T 2013 Oct. 29.91035 TT                                 MPC
    q   4.3745987            (2000.0)            P               Q
                       Peri.  244.26913     -0.73659612     -0.28277789
                       Node   273.72976     +0.57573091     -0.73885039
    e   1.0            Incl.   38.00164     -0.35490854     -0.61166720
    From 47 observations 2012 Dec. 12-15.
    
    Ephemeris:
        C/2012 X2 (PANSTARRS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2012 11 16    07 48 50.2 +09 13 06   4.6952  5.2027   115.8     9.9  19.5
    ...
    2012 12 01    07 46 39.6 +07 38 25   4.4449  5.1398   130.5     8.4  19.3
    ...
    2012 12 09    07 44 19.8 +06 49 53   4.3293  5.1069   138.3     7.4  19.3
    ...
    2012 12 15    07 42 05.5 +06 14 54   4.2526  5.0826   144.1     6.5  19.2
    2012 12 16    07 41 40.9 +06 09 12   4.2407  5.0786   145.0     6.4  19.2
    2012 12 17    07 41 15.6 +06 03 33   4.2290  5.0745   146.0     6.2  19.2
    ...
    2012 12 23    07 38 32.3 +05 30 40   4.1650  5.0506   151.4     5.3  19.1
    ...
    2012 12 31    07 34 28.1 +04 49 46   4.0956  5.0192   157.7     4.3  19.1
    ...
    2013 01 15    07 26 03.8 +03 43 53   4.0177  4.9618   161.8     3.5  19.0
    
                           (Last issue was M.P.E.C. 2012-X103)
    
    Gareth V. Williams           (C) Copyright 2012 MPC           M.P.E.C. 2012-Y01
    

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