MPEC 2007-V75 : COMET P/2007 V2 (HILL)

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M.P.E.C. 2007-V75                                Issued 2007 Nov. 10, 15:30 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.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                            COMET P/2007 V2 (HILL)

Observations:
    PK07V020  C2007 10 14.31763 02 55 17.41 +13 15 25.7          20.3 N EV075691
    PK07V020  C2007 10 14.33529 02 55 16.79 +13 15 23.2          20.1 N EV075691
    PK07V020  C2007 10 14.35295 02 55 16.14 +13 15 21.2          20.1 N EV075691
    PK07V020  C2007 11 09.29539 02 38 15.99 +12 05 51.8                 EV075G96
    PK07V020  C2007 11 09.30196 02 38 15.66 +12 05 51.3          18.9 T EV075G96
    PK07V020  C2007 11 09.30859 02 38 15.41 +12 05 50.2          18.6 T EV075G96
    PK07V020  C2007 11 09.31517 02 38 15.12 +12 05 48.9                 EV075G96
    PK07V020  C2007 11 09.39976 02 38 11.43 +12 05 35.7          19.6 T EV075G96
    PK07V020  C2007 11 09.40065 02 38 11.40 +12 05 35.7          19.2 T EV075G96
    PK07V020  C2007 11 09.40154 02 38 11.36 +12 05 35.4          19.9 T EV075G96
    PK07V020  C2007 11 09.40242 02 38 11.36 +12 05 35.2          19.7 T EV075G96
    PK07V020  C2007 11 09.41965 02 38 10.63 +12 05 32.4          19.0 T EV075G96
    PK07V020  C2007 11 09.82895 02 37 53.85 +12 04 29.0          19.6 T EV075235
    PK07V020  C2007 11 09.85259 02 37 52.94 +12 04 26.0          19.5 T EV075235
    PK07V020  C2007 11 09.90252 02 37 50.73 +12 04 16.7          20.1 N EV075473
    PK07V020  C2007 11 09.91954 02 37 49.99 +12 04 13.2          20.0 N EV075473
    PK07V020  C2007 11 09.99171 02 37 46.75 +12 04 03.5          20.1 N EV075147
    PK07V020  C2007 11 10.00462 02 37 46.26 +12 04 01.6          20.1 N EV075147
    PK07V020  C2007 11 10.01754 02 37 45.74 +12 03 59.8          19.6 N EV075147
    PK07V020  C2007 11 10.24322 02 37 36.66 +12 03 28.1          19.2 T EV075673
    PK07V020  C2007 11 10.25938 02 37 36.09 +12 03 25.8                 EV075673
    PK07V020  C2007 11 10.26600 02 37 35.61 +12 03 25.0                 EV075G96
    PK07V020  C2007 11 10.26688 02 37 35.61 +12 03 24.9                 EV075G96
    PK07V020  C2007 11 10.26701 02 37 35.61 +12 03 24.7                 EV075673
    PK07V020  C2007 11 10.26775 02 37 35.61 +12 03 24.8          19.0 T EV075G96
    PK07V020  C2007 11 10.26863 02 37 35.50 +12 03 24.5                 EV075G96
    PK07V020  C2007 11 10.27731 02 37 35.26 +12 03 23.7                 EV075673
    PK07V020  C2007 11 10.37527 02 37 30.92 +12 03 08.7                 EV075711
    PK07V020  C2007 11 10.38790 02 37 30.45 +12 03 06.4                 EV075711
    PK07V020  C2007 11 10.40052 02 37 29.86 +12 03 04.3                 EV075711
    PK07V020  C2007 11 10.50930 02 37 25.55 +12 02 53.8          20.1 N EV075474
    PK07V020  C2007 11 10.51329 02 37 25.38 +12 02 53.1          19.5 N EV075474
    PK07V020  C2007 11 10.51651 02 37 25.29 +12 02 52.4          19.0 N EV075474

Observer details:
147 Osservatorio Astronomico di Suno.  Observers D. Crespi, S. Foglia,
    G. Galli, S. Minuto, P. Concari.  Measurers S. Foglia, G. Galli.  0.40-m
    f/4 reflector + CCD.
235 CAST Observatory, Talmassons.  Observer R. Ligustri.  Measurers
    R. Ligustri, D. Da Rio.  0.35-m f/5 reflector + CCD.
473 Remanzacco.  Observers L. Donato, M. Gonano, V. Gonano, E. Guido,
    V. Santini, G. Sostero.  0.45-m f/4.4 Newtonian reflector + CCD.
474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  1.0-m f/7.7
    reflector + CCD.
673 Table Mountain Observatory, Wrightwood.  Observer W. Young.  Measurer
    J. Young.  0.61-m f/16 Cassegrain + CCD.
691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
    + CCD.
711 McDonald Observatory.  Observer J. G. Ries.  0.76-m reflector + CCD.
G96 Mt. Lemmon Survey.  Observer R. E. Hill.  Measurers E. C. Beshore,
    A. Boattini, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson.  1.5-m reflector + CCD.

Orbital elements:
    P/2007 V2 (Hill)
T 2007 July 31.744 TT                                   MPC
q   2.74859              (2000.0)            P               Q
n   0.120248       Peri.  277.971       +0.948994       -0.312477
a   4.06522        Node   100.245       +0.303492       +0.869165
e   0.32388        Incl.    2.449       +0.085455       +0.383288
P   8.20
From 31 observations 2007 Oct. 14-Nov. 10.

Ephemeris:
    P/2007 V2 (Hill)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 11 06    02 40.58   +12 14.5    1.817    2.807   176.4     1.3  18.8
2007 11 16    02 33.76   +11 50.0    1.849    2.820   166.4     4.7  18.8
2007 11 26    02 28.01   +11 32.6    1.908    2.833   155.0     8.5  18.9
2007 12 06    02 23.98   +11 24.9    1.991    2.848   144.0    11.7  19.0
2007 12 16    02 22.07   +11 28.6    2.096    2.863   133.4    14.5  19.2
2007 12 26    02 22.45   +11 43.9    2.218    2.880   123.5    16.6  19.3

Brian G. Marsden             (C) Copyright 2007 MPC           M.P.E.C. 2007-V75

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