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IAU Minor Planet Center

Minor Planet Center

MPEC 2010-F88 : COMET C/2010 F4 (MACHHOLZ)

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M.P.E.C. 2010-F88                                Issued 2010 Mar. 27, 23:32 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.org/iau/mpc.html  ISSN 1523-6714

                          COMET C/2010 F4 (MACHHOLZ)

Observations:
    CK10F040  C2010 03 26.80750 23 25 47.20 +32 13 14.8          13.9 T EF088900
    CK10F040  C2010 03 26.81116 23 25 49.37 +32 13 16.8               T EF088900
    CK10F040  C2010 03 26.81482 23 25 51.44 +32 13 19.0               T EF088900
    CK10F040  C2010 03 26.82056 23 25 54.80 +32 13 22.6                 EF088900
    CK10F040  C2010 03 26.82158 23 25 55.40 +32 13 23.3          12.3 T EF088349
    CK10F040  C2010 03 26.82296 23 25 56.18 +32 13 23.6                 EF088349
    CK10F040  C2010 03 26.82734 23 25 58.73 +32 13 26.3          14.7 N EF088900
    CK10F040  C2010 03 27.15502 23 29 07.78 +32 16 14.6          14   N EF088204
    CK10F040  C2010 03 27.15677 23 29 08.78 +32 16 14.7                 EF088204
    CK10F040  C2010 03 27.15822 23 29 09.63 +32 16 15.7                 EF088204
    CK10F040  C2010 03 27.16527 23 29 13.50 +32 16 19.4                 EF088213
    CK10F040  C2010 03 27.16624 23 29 14.16 +32 16 20.2                 EF088213
    CK10F040  C2010 03 27.16846 23 29 15.58 +32 16 22.2                 EF088213
    CK10F040  C2010 03 27.17229 23 29 17.70 +32 16 20.9                 EF088213
    CK10F040  C2010 03 27.17516 23 29 19.38 +32 16 23.9                 EF088204
    CK10F040  C2010 03 27.17742 23 29 20.51 +32 16 26.4                 EF088213
    CK10F040  C2010 03 27.17904 23 29 21.56 +32 16 27.3                 EF088213
    CK10F040  C2010 03 27.18325 23 29 24.00 +32 16 28.5          15.5 N EF088213
    CK10F040  C2010 03 27.18487 23 29 25.08 +32 16 29.6          15.0 N EF088213
    CK10F040  C2010 03 27.18649 23 29 25.93 +32 16 30.4          15.1 N EF088213
    CK10F040  C2010 03 27.20407 23 29 36.11 +32 16 39.1          15.2 T EF088C12
    CK10F040  C2010 03 27.49275 23 32 21.89 +32 18 46.1          12.4 N EF088854
    CK10F040  C2010 03 27.49428 23 32 23.01 +32 18 45.0          12.4 N EF088854
    CK10F040  C2010 03 27.50972 23 32 31.69 +32 18 50.9          12.2 N EF088854
    CK10F040  C2010 03 27.51010 23 32 31.91 +32 18 50.5          12.1 N EF088854
    CK10F040  C2010 03 27.51050 23 32 32.04 +32 18 53.0          12.2 N EF088854
    CK10F040  C2010 03 27.80035 23 35 17.85 +32 20 34.4          12.4 T EF088D95
    CK10F040  C2010 03 27.80249 23 35 19.00 +32 20 36.2          12.4 T EF088D95
    CK10F040  C2010 03 27.80499 23 35 20.71 +32 20 37.0          16.0 N EF088D95
    CK10F040  C2010 03 27.80644 23 35 21.20 +32 20 37.5          15.6 N EF088D95
    CK10F040  C2010 03 27.80788 23 35 22.59 +32 20 37.1          15.6 N EF088D95
    CK10F040  C2010 03 27.80933 23 35 22.91 +32 20 38.9          15.6 N EF088D95
    CK10F040  C2010 03 27.81171 23 35 24.42 +32 20 38.9                 EF088D95
    CK10F040  C2010 03 27.81395 23 35 25.71 +32 20 39.4                 EF088D95

Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.38-m f/6.8 reflector
    + CCD.
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m
    f/10 Schmidt-Cassegrain + CCD.
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
C12 Berta Observatory, Sabadell.  Observer M. Duran.  0.3-m f/4.46 Newtonian
    reflector + CCD.
D95 Kurihara.  Observer T. Takahashi.  0.15-m f/6.7 refractor + CCD.

Orbital elements:
    C/2010 F4 (Machholz)
T 2010 Apr. 5.412 TT                                    MPC
q   0.61432              (2000.0)            P               Q
                   Peri.  118.532       +0.271464       +0.488551
                   Node   236.022       +0.011150       +0.859932
e   1.0            Incl.   89.645       +0.962384       -0.147770
From 28 observations 2010 Mar. 26-27.

Ephemeris:
    C/2010 F4 (Machholz)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2010 03 25    23 08.18   +31 49.7    1.183    0.663    34.1    57.4  12.1
2010 03 27    23 27.63   +32 15.0    1.206    0.648    32.5    55.8  12.0
2010 03 29    23 46.58   +32 24.4    1.232    0.635    30.9    53.8  12.0
2010 03 31    00 04.85   +32 18.9    1.261    0.626    29.3    51.4  12.0
2010 04 02    00 22.28   +31 59.9    1.293    0.619    27.7    48.7  12.0
2010 04 04    00 38.77   +31 29.1    1.327    0.615    26.1    45.7  12.0
2010 04 06    00 54.27   +30 48.3    1.362    0.614    24.6    42.6  12.1
2010 04 08    01 08.75   +29 59.3    1.399    0.617    23.0    39.3  12.1
2010 04 10    01 22.23   +29 03.9    1.437    0.622    21.4    35.9  12.2
2010 04 12    01 34.77   +28 03.6    1.474    0.631    19.8    32.6  12.3
2010 04 14    01 46.41   +26 59.8    1.512    0.642    18.3    29.3  12.5

Brian G. Marsden             (C) Copyright 2010 MPC           M.P.E.C. 2010-F88

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