• Processing (Info)

    • MPEC 2012-Y18 : COMET C/2012 Y1 (LINEAR)

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    M.P.E.C. 2012-Y18                                Issued 2012 Dec. 21, 23:46 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 Y1 (LINEAR)

Observations:
    CK12Y010  C2012 12 18.26161 05 47 00.31 -13 28 43.3          19.1 TcEY018704
    CK12Y010  C2012 12 18.27477 05 47 00.05 -13 28 47.6          19.8 TcEY018704
    CK12Y010  C2012 12 18.28797 05 46 59.90 -13 28 52.7          19.3 TcEY018704
    CK12Y010  C2012 12 18.30164 05 46 59.72 -13 28 59.0          19.6 TcEY018704
    CK12Y010  C2012 12 18.31529 05 46 59.48 -13 29 03.9          19.2 TcEY018704
    CK12Y010 KC2012 12 19.96846 05 46 41.89 -13 38 58.9                tEY018204
    CK12Y010 KC2012 12 19.97800 05 46 41.77 -13 39 02.4          18.6 TtEY018204
    CK12Y010 KC2012 12 19.98772 05 46 41.66 -13 39 05.7                tEY018204
    CK12Y010  C2012 12 20.25628 05 46 38.91 -13 40 33.3          18.8 TcEY018704
    CK12Y010 KC2012 12 20.26516 05 46 38.78 -13 40 37.5          18.7 TqEY018448
    CK12Y010  C2012 12 20.27015 05 46 38.72 -13 40 38.1          19.1 TcEY018704
    CK12Y010  C2012 12 20.28395 05 46 38.52 -13 40 43.0          19.1 TcEY018704
    CK12Y010  C2012 12 20.29723 05 46 38.40 -13 40 47.4          19.2 TcEY018704
    CK12Y010 IC2012 12 20.29921 05 46 38.33 -13 40 46.9          19.4 TqEY018448
    CK12Y010 IC2012 12 20.30461 05 46 38.23 -13 40 49.2          19.2 TqEY018448
    CK12Y010 IC2012 12 20.30983 05 46 38.20 -13 40 50.0          18.3 TqEY018448
    CK12Y010  C2012 12 20.31048 05 46 38.18 -13 40 52.9          19.0 TcEY018704
    CK12Y010 |C2012 12 20.35572 05 46 37.59 -13 41 06.0                cEY018H06
    CK12Y010 |C2012 12 20.35817 05 46 37.55 -13 41 06.4          18.4 TcEY018H06
    CK12Y010 KC2012 12 21.09811 05 46 29.91 -13 44 52.6          18.6 TuEY018I39
    CK12Y010 KC2012 12 21.11679 05 46 29.72 -13 44 56.5          18.5 TuEY018I39
    CK12Y010 KC2012 12 21.14296 05 46 29.46 -13 45 05.5          18.6 TuEY018I39
    CK12Y010  C2012 12 21.21062 05 46 28.92 -13 45 33.7          18.1 ToEY018H01
    CK12Y010  C2012 12 21.21843 05 46 28.82 -13 45 36.1          18.2 ToEY018H01
    CK12Y010  C2012 12 21.22543 05 46 28.73 -13 45 38.3          18.2 ToEY018H01
    CK12Y010  C2012 12 21.23701 05 46 28.58 -13 45 41.8          18.3 ToEY018H01
    CK12Y010 |C2012 12 21.37893 05 46 26.69 -13 46 25.3                cEY018H06
    CK12Y010 |C2012 12 21.38075 05 46 26.67 -13 46 27.9          18.7 TcEY018H06
    CK12Y010 4C2012 12 21.51397 05 46 25.70 -13 46 55.9                tEY018E10
    CK12Y010 4C2012 12 21.51929 05 46 25.61 -13 46 57.8          19.3 TtEY018E10
    CK12Y010 4C2012 12 21.52199 05 46 25.57 -13 46 58.7                tEY018E10

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
    + CCD.
448 Desert Moon Observatory.  Observer B. L. Stevens.  0.3-m
    Schmidt-Cassegrain + CCD.
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.
E10 Siding Spring-Faulkes Telescope South.  Observers P. Miller, P. Roche,
    A. Tripp, R. Miles, R. Holmes, S. Foglia, L. Buzzi.  Measurers L. Buzzi,
    S. Foglia, T. Vorobjov.  2.0-m f/10 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.  0.51-m f/6.8
    astrograph + CCD + f/4.5 focal reducer.
I39 Observatorio Cruz del Sur, San Justo.  Observers A. Chapman, N. D. Diaz.
    Measurer A. Chapman.  0.20-m f/4 reflector + CCD.

Orbital elements:
    C/2012 Y1 (LINEAR)
T 2012 Dec. 8.59572 TT                                  MPC
q   2.1202862            (2000.0)            P               Q
                   Peri.  242.56443     +0.13525802     -0.98109896
                   Node   201.08074     +0.98918745     +0.14170371
e   1.0            Incl.   22.62749     +0.05668731     -0.13177590
From 30 observations 2012 Dec. 18-21.

Ephemeris:
    C/2012 Y1 (LINEAR)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2012 11 21    05 48 35.4 -07 58 38   1.2836  2.1305   139.0    17.7  18.8
...
2012 12 06    05 48 53.1 -11 35 47   1.2485  2.1205   143.1    16.2  18.7
...
2012 12 14    05 47 45.4 -12 57 05   1.2478  2.1212   143.5    16.0  18.7
...
2012 12 20    05 46 41.5 -13 39 03   1.2553  2.1246   142.9    16.2  18.8
2012 12 21    05 46 30.9 -13 44 24   1.2573  2.1253   142.7    16.3  18.8
2012 12 22    05 46 20.5 -13 49 17   1.2594  2.1262   142.6    16.3  18.8
...
2012 12 28    05 45 24.9 -14 08 45   1.2757  2.1326   141.1    16.8  18.8
...
2013 01 05    05 44 43.6 -14 09 23   1.3073  2.1448   138.5    17.7  18.9
...
2013 01 20    05 46 20.6 -13 02 33   1.3952  2.1784   131.8    19.7  19.1

Gareth V. Williams           (C) Copyright 2012 MPC           M.P.E.C. 2012-Y18

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