Nouvelle comète P10kNSr= COMET C/2015 H2 (PANSTARRS)

M.P.E.C. 2015-J04                                Issued 2015 May 2, 02:22 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.net/    ISSN 1523-6714


                          COMET C/2015 H2 (PANSTARRS)

Observations:
    CK15H020 IC2015 04 20.08742 13 41 35.24 -44 04 05.9                qEJ004W98
    CK15H020  C2015 04 20.10186 13 41 34.67 -44 04 06.6          19.7 TqEJ004W98
    CK15H020  C2015 04 24.39562 13 39 03.400-44 06 21.87         19.7 TLEJ004F51
    CK15H020  C2015 04 24.40359 13 39 03.085-44 06 21.98         19.5 TLEJ004F51
    CK15H020  C2015 04 24.41161 13 39 02.826-44 06 22.10         19.6 TLEJ004F51
    CK15H020  C2015 04 24.41963 13 39 02.519-44 06 22.34         19.8 TLEJ004F51
    CK15H020 |C2015 04 25.08752 13 38 39.02 -44 06 30.6          19.4 TuEJ004807
    CK15H020 |C2015 04 25.09227 13 38 38.89 -44 06 30.6          20.0 TuEJ004807
    CK15H020 |C2015 04 25.09690 13 38 38.70 -44 06 30.9          20.1 TuEJ004807
    CK15H020 KC2015 04 25.25855 13 38 32.92 -44 06 32.1          19.2 TqEJ004W96
    CK15H020 KC2015 04 25.27387 13 38 32.34 -44 06 32.5          19.4 TqEJ004W96
    CK15H020 KC2015 04 25.29140 13 38 31.70 -44 06 33.5          19.2 TqEJ004W96
    CK15H020 KC2015 04 25.30598 13 38 31.17 -44 06 34.1          19.2 TqEJ004W96
    CK15H020 KC2015 04 26.25672 13 37 57.81 -44 06 42.6          19.1 TqEJ004W96
    CK15H020 KC2015 04 26.27276 13 37 57.19 -44 06 41.2          19.3 TqEJ004W96
    CK15H020 KC2015 04 26.30011 13 37 56.20 -44 06 40.8          19.2 TqEJ004W96
    CK15H020  C2015 04 27.05023 13 37 30.04 -44 06 44.0          19.5 TrEJ004Y00
    CK15H020  C2015 04 27.06673 13 37 29.43 -44 06 44.1          19.5 TrEJ004Y00
    CK15H020  C2015 04 27.08303 13 37 28.88 -44 06 44.7          19.2 TrEJ004Y00
    CK15H020 KC2015 04 27.29382 13 37 21.42 -44 06 44.1          19.8 TqEJ004W96
    CK15H020 KC2015 04 27.30841 13 37 20.86 -44 06 44.2          19.3 TqEJ004W96
    CK15H020 KC2015 04 27.34269 13 37 19.68 -44 06 43.1          19.6 TqEJ004W96
    CK15H020 _C2015 04 27.41137013 37 17.347-44 06 45.40         19.7 TtEJ004568
    CK15H020 _C2015 04 27.41267013 37 17.301-44 06 45.47         19.3 TtEJ004568
    CK15H020 _C2015 04 27.41396913 37 17.264-44 06 45.47         19.3 TtEJ004568
    CK15H020 1C2015 04 27.58157 13 37 11.41 -44 06 44.3                vEJ004Q62
    CK15H020 1C2015 04 27.58412 13 37 11.34 -44 06 44.3                vEJ004Q62
    CK15H020 1C2015 04 27.58667 13 37 11.25 -44 06 43.9          18.9 TvEJ004Q62
    CK15H020 KC2015 04 30.24076 13 35 38.74 -44 06 14.9          19.0 TqEJ004W96
    CK15H020 KC2015 04 30.26222 13 35 38.02 -44 06 15.0          19.2 TqEJ004W96

Observer details:
568 Mauna Kea.  Observers R. J. Wainscoat, L. Wells.  Measurers M. Micheli,
    R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
    Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers R. Anderson, B. Gibson, T. Goggia,
    N. Primak, A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel,
    L. Denneau, H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat,
    C. Waters, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
Q62 iTelescope Observatory, Siding Spring.  Observer H. Sato.  0.70-m f/6.6
    astrograph + CCD.
W96 CAO, San Pedro de Atacama (since 2013).  Observers A. Maury, J.-F. Soulier,
    J.-G. Bosch.  Measurers J.-F. Soulier, J.-G. Bosch.  0.4-m f/8
    Ritchey-Chretien + CCD.
W98 Polonia Observatory, San Pedro de Atacama.  Observers M. Gedek,
    M. Zolnowski, M. Kusiak, R. Reszelewski.  Measurers M. Kusiak,
    R. Reszelewski.  0.25-m f/3.6 astrograph + 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:
    C/2015 H2 (PANSTARRS)
T 2016 Sept. 6.95438 TT                                 MPCW
q   4.9727346            (2000.0)            P               Q
                   Peri.  287.58100     +0.16484180     +0.98197461
                   Node   350.36656     -0.55546064     +0.01494160
e   1.0            Incl.   33.54894     -0.81504028     +0.18842135
From 30 observations 2015 Apr. 20-30.

Ephemeris:
    C/2015 H2 (PANSTARRS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2015 04 02    13 51 36.5 -43 32 14   5.5690  6.3496   138.3     6.0  19.3
...
2015 04 17    13 43 23.4 -44 01 13   5.4240  6.2827   146.2     5.1  19.2
...
2015 04 25    13 38 42.1 -44 06 29   5.3699  6.2474   148.2     4.9  19.1
...
2015 05 01    13 35 12.7 -44 05 59   5.3402  6.2211   148.4     4.9  19.1
2015 05 02    13 34 38.4 -44 05 32   5.3362  6.2167   148.4     4.9  19.1
2015 05 03    13 34 04.2 -44 05 00   5.3324  6.2123   148.3     4.9  19.1
...
2015 05 09    13 30 45.4 -43 59 51   5.3150  6.1863   147.0     5.1  19.0
...
2015 05 17    13 26 41.8 -43 48 16   5.3059  6.1517   143.9     5.6  19.0
...
2015 06 01    13 20 44.3 -43 15 59   5.3291  6.0879   135.0     6.8  19.0

Gareth V. Williams           (C) Copyright 2015 MPC           M.P.E.C. 2015-J04