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    • MPEC 2015-R02 : COMET P/2015 Q2 (PIMENTEL)

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    M.P.E.C. 2015-R02                                Issued 2015 Sept. 1, 22:50 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
    on behalf of Division F 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 P/2015 Q2 (PIMENTEL)

Observations:
    PK15Q020  C2015 08 24.19727 02 58 53.29 -29 26 01.5          18.8 TqER002Y00
    PK15Q020  C2015 08 24.21071 02 58 51.53 -29 27 05.1          19.0 TqER002Y00
    PK15Q020  C2015 08 24.22264 02 58 50.16 -29 28 02.4          18.8 TqER002Y00
    PK15Q020  C2015 08 27.27769 02 51 31.21 -33 38 55.0          18.6 TqER002Y00
    PK15Q020  C2015 08 27.28752 02 51 29.48 -33 39 43.4          18.6 TqER002Y00
    PK15Q020  C2015 08 27.29737 02 51 27.78 -33 40 33.8          18.8 TqER002Y00
    PK15Q020  C2015 08 31.25581 02 39 06.94 -39 27 44.5          18.3 TqER002Y00
    PK15Q020  C2015 08 31.26493 02 39 04.95 -39 28 32.1          18.4 TqER002Y00
    PK15Q020  C2015 08 31.27399 02 39 02.92 -39 29 21.9          18.6 TqER002Y00
    PK15Q020 5C2015 08 31.55230 02 38 02.44 -39 54 25.1          17.1 TqER002Q62
    PK15Q020 5C2015 08 31.55399 02 38 02.08 -39 54 33.9          17.4 TqER002Q62
    PK15Q020 5C2015 08 31.55650 02 38 01.55 -39 54 48.6          17.1 TqER002Q62
    PK15Q020 0C2015 08 31.73768 02 37 20.71 -40 11 15.7          18.0 TqER002Q62
    PK15Q020 0C2015 08 31.74839 02 37 18.23 -40 12 14.3          17.8 TqER002Q62
    PK15Q020 5C2015 08 31.76828 02 37 13.61 -40 14 01.5          17.4 TqER002Q62
    PK15Q020 5C2015 08 31.77141 02 37 12.88 -40 14 18.6          17.3 TqER002Q62
    PK15Q020 5C2015 08 31.77608 02 37 11.98 -40 14 43.5          17.7 TqER002Q62
    PK15Q020  C2015 09 01.18004402 35 40.30 -40 51 22.3          18.3 TtER002W87
    PK15Q020  C2015 09 01.18093802 35 40.11 -40 51 27.2          18.6 TtER002W87
    PK15Q020  C2015 09 01.18274202 35 39.67 -40 51 36.8          18.3 TtER002W87
    PK15Q020  C2015 09 01.18363602 35 39.46 -40 51 41.4          18.3 TtER002W87
    PK15Q020  C2015 09 01.18455002 35 39.25 -40 51 46.7          18.4 TtER002W87
    PK15Q020  C2015 09 01.18636602 35 38.79 -40 51 56.4          18.6 TtER002W87
    PK15Q020  C2015 09 01.18726702 35 38.62 -40 52 01.2          18.1 TtER002W87
    PK15Q020  C2015 09 01.18907902 35 38.12 -40 52 11.7          18.7 TtER002W87
    PK15Q020  C2015 09 01.18997802 35 37.95 -40 52 16.5          18.5 TtER002W87
    PK15Q020  C2015 09 01.19088902 35 37.77 -40 52 21.2          18.2 TtER002W87
    PK15Q020 KC2015 09 01.30432 02 35 10.85 -41 02 43.4          17.9 TqER002W96
    PK15Q020 KC2015 09 01.31091 02 35 09.33 -41 03 19.9          17.6 TqER002W96
    PK15Q020 KC2015 09 01.32137 02 35 06.79 -41 04 15.4          17.8 TqER002W96
    PK15Q020 KC2015 09 01.32799 02 35 05.26 -41 04 53.3          17.8 TqER002W96
    PK15Q020 KC2015 09 01.33800 02 35 02.92 -41 05 48.1          17.9 TqER002W96
    PK15Q020 KC2015 09 01.34460 02 35 01.27 -41 06 23.8          18.0 TqER002W96
    PK15Q020 [C2015 09 01.55850 02 34 11.12 -41 25 49.7          17.7 TqER002Q62
    PK15Q020 [C2015 09 01.56271 02 34 10.13 -41 26 12.1          17.9 TqER002Q62

Observer details:
Q62 iTelescope Observatory, Siding Spring.  Observers C. Jacques, E. Pimentel,
    J. Barros, E. Guido, N. Howes, M. Suzuki.  Measurers C. Jacques, E. Guido,
    N. Howes, M. Suzuki.  0.50-m f/6.8 astrograph + CCD + f/4.5 focal reducer,
    0.50-m f/6.8 astrograph + CCD + focal reducer, 0.51-m f/6.8 astrograph
    + CCD + focal reducer, 0.70-m f/6.6 astrograph + CCD.
W87 Cerro Tololo-LCOGT C.  Observer T. Lister.  1.0-m f/8 Ritchey-Chretien
    + CCD.
W96 CAO, San Pedro de Atacama (since 2013).  Observers A. Maury, J.-F. Soulier.
    Measurer J.-F. Soulier.  0.4-m f/8 Ritchey-Chretien + CCD.
Y00 SONEAR Observatory, Oliveira.  Observers C. Jacques, E. Pimentel,
    J. Barros.  Measurer C. Jacques.  0.45-m f/2.9 reflector + CCD.

Orbital elements:
    P/2015 Q2 (Pimentel)
T 2015 Sept. 10.23325 TT                                MPCW
q   1.8203271            (2000.0)            P               Q
n   0.04625141     Peri.  244.36185     +0.84692972     -0.33208308
a   7.6863370      Node   228.25301     +0.03820882     -0.74094386
e   0.7631737      Incl.  146.18151     -0.53033021     -0.58371485
P  21.3
From 35 observations 2015 Aug. 24-Sept. 1.

Ephemeris:
    P/2015 Q2 (Pimentel)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2015 08 02    03 20 54.7 -08 01 19   1.6750  1.8718    84.4    32.7  19.3
...
2015 08 17    03 10 41.3 -20 47 55   1.3351  1.8402   102.4    32.5  18.8
...
2015 08 25    02 57 07.5 -30 30 10   1.1936  1.8293   111.9    30.9  18.5
...
2015 08 31    02 40 01.8 -39 04 36   1.1190  1.8239   117.8    29.3  18.4
2015 09 01    02 36 21.4 -40 34 57   1.1099  1.8232   118.6    29.1  18.3
2015 09 02    02 32 23.7 -42 06 05   1.1017  1.8226   119.4    28.9  18.3
...
2015 09 08    02 01 08.5 -51 13 13   1.0752  1.8205   121.8    28.1  18.3
...
2015 09 16    00 51 09.0 -61 37 53   1.1024  1.8215   119.5    28.7  18.3
...
2015 10 01    21 34 12.0 -66 51 52   1.3160  1.8349   103.9    32.0  18.7

Gareth V. Williams           (C) Copyright 2015 MPC           M.P.E.C. 2015-R02

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