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  • MPEC 2016-J90 : P/2016 J1 (PANSTARRS)

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    M.P.E.C. 2016-J90                                Issued 2016 May 8, 23:21 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
    
                                 P/2016 J1 (PANSTARRS)
    
    Observations:
        PK16J01a  C2016 05 05.46342 15 46 25.093-06 48 03.90         21.4 TLEJ090F51
        PK16J01a  C2016 05 05.47541 15 46 24.629-06 47 57.14         21.5 TLEJ090F51
        PK16J01a  C2016 05 05.48743 15 46 24.144-06 47 49.89         21.4 TLEJ090F51
        PK16J01a  C2016 05 05.49944 15 46 23.663-06 47 43.12         21.3 TLEJ090F51
        PK16J01a  C2016 05 06.29582 15 45 53.81 -06 40 04.7          20.6 TqEJ090I52
        PK16J01a |C2016 05 06.30919 15 45 53.17 -06 39 57.0                vEJ090H06
        PK16J01a |C2016 05 06.31501 15 45 52.91 -06 39 52.8                vEJ090H06
        PK16J01a |C2016 05 06.32083 15 45 52.67 -06 39 49.0          20.8 TvEJ090H06
        PK16J01a  C2016 05 06.32129 15 45 52.75 -06 39 49.1          21.5 TqEJ090I52
        PK16J01a _C2016 05 06.42589115 45 48.741-06 38 48.15         21.1 TtEJ090568
        PK16J01a _C2016 05 06.42716715 45 48.690-06 38 47.43         21.1 TtEJ090568
        PK16J01a _C2016 05 06.42844415 45 48.637-06 38 46.69         21.0 TtEJ090568
        PK16J01a _C2016 05 07.44503415 45 09.460-06 29 04.53         20.9 TtEJ090568
        PK16J01a _C2016 05 07.44700815 45 09.376-06 29 03.42         21.0 TtEJ090568
        PK16J01a _C2016 05 07.44897915 45 09.296-06 29 02.26         20.9 TtEJ090568
        PK16J01a  C2016 05 08.34928515 44 34.03 -06 20 32.4          21.1 TtEJ090H01
        PK16J01a  C2016 05 08.36053815 44 33.57 -06 20 26.0          21.3 TtEJ090H01
        PK16J01a  C2016 05 08.36308915 44 33.47 -06 20 24.8          21.4 TtEJ090H01
        PK16J01a  C2016 05 08.36802015 44 33.25 -06 20 21.5          21.3 TtEJ090H01
        PK16J01a  C2016 05 08.37113815 44 33.13 -06 20 20.0          21.1 TtEJ090H01
        PK16J01a  C2016 05 08.39026915 44 32.33 -06 20 09.3          21.5 TtEJ090H01
        PK16J01a HC2016 05 08.44485 15 44 30.11 -06 19 38.1          21.5 ToEJ090691
        PK16J01a HC2016 05 08.45654 15 44 29.65 -06 19 31.4          21.1 ToEJ090691
        PK16J01a HC2016 05 08.46822 15 44 29.05 -06 19 23.9          21.5 ToEJ090691
        PK16J01b _C2016 05 06.42589115 45 56.315-06 38 47.74         21.6 TtEJ090568
        PK16J01b _C2016 05 06.42716715 45 56.262-06 38 47.00         21.8 TtEJ090568
        PK16J01b _C2016 05 07.44503415 45 17.041-06 29 04.07         21.5 TtEJ090568
        PK16J01b _C2016 05 07.44700815 45 16.964-06 29 03.06         21.4 TtEJ090568
        PK16J01b _C2016 05 07.44897915 45 16.883-06 29 01.88         21.4 TtEJ090568
        PK16J01b  C2016 05 08.34928515 44 41.63 -06 20 31.9          21.3 TtEJ090H01
        PK16J01b  C2016 05 08.36053815 44 41.17 -06 20 25.6          21.6 TtEJ090H01
        PK16J01b  C2016 05 08.36308915 44 41.07 -06 20 24.0          21.6 TtEJ090H01
        PK16J01b  C2016 05 08.36802015 44 40.87 -06 20 21.6          21.7 TtEJ090H01
        PK16J01b  C2016 05 08.37113815 44 40.74 -06 20 19.9          21.7 TtEJ090H01
    
    Observer details:
    568 Mauna Kea.  Observers R. J. Wainscoat, D. Woodworth.  Measurers M. Micheli,
        R. J. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    691 Steward Observatory, Kitt Peak.  Observer A. F. Tubbiolo.  0.9-m f/3
        reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, N. Primak,
        A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
        H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
        R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    H06 iTelescope Observatory, Mayhill.  Observer H. Sato.  0.43-m f/6.8
        astrograph + CCD + f/4.5 focal reducer.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
        Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    
    Orbital elements:
        P/2016 J1-A (PANSTARRS)
    T 2016 Aug. 25.57147 TT                                 MPCW
    q   2.3265518            (2000.0)            P               Q
    n   0.17892609     Peri.   68.29287     -0.07443061     +0.99466429
    a   3.1190351      Node   197.88809     -0.97915147     -0.08647061
    e   0.2540796      Incl.   13.44834     -0.18900393     +0.05626525
    P   5.51
    From 24 observations 2016 May 5-8.
    
        P/2016 J1-B (PANSTARRS)
    T 2016 Aug. 25.21488 TT                                 MPCW
    q   2.3265518            (2000.0)            P               Q
    n   0.17892609     Peri.   68.20686     -0.07592361     +0.99455144
    a   3.1190351      Node   197.88809     -0.97902057     -0.08794031
    e   0.2540796      Incl.   13.44834     -0.18908817     +0.05598147
    P   5.51
    From 10 observations 2016 May 6-8.  Very preliminary elements, based on
    fragment A, with T and Peri. varied.
    
    Ephemeris:
        P/2016 J1-A (PANSTARRS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2016 04 08    15 56 09.9 -11 08 43   1.6138  2.4535   138.3    15.8  21.4
    ...
    2016 04 23    15 52 54.3 -08 50 03   1.4905  2.4289   152.8    10.9  21.2
    ...
    2016 05 01    15 49 03.5 -07 31 30   1.4451  2.4168   160.0     8.2  21.1
    ...
    2016 05 07    15 45 26.7 -06 33 17   1.4211  2.4081   164.3     6.5  21.1
    2016 05 08    15 44 47.8 -06 23 47   1.4180  2.4067   164.8     6.3  21.1
    2016 05 09    15 44 08.3 -06 14 21   1.4151  2.4053   165.3     6.1  21.1
    ...
    2016 05 15    15 40 02.0 -05 19 58   1.4033  2.3971   166.2     5.8  21.0
    ...
    2016 05 23    15 34 26.3 -04 15 18   1.4016  2.3868   162.5     7.3  21.0
    ...
    2016 06 07    15 25 15.7 -02 48 18   1.4391  2.3696   149.4    12.6  21.0
    
        P/2016 J1-B (PANSTARRS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2016 04 08    15 56 16.3 -11 08 46   1.6134  2.4529   138.3    15.8  21.9
    ...
    2016 04 23    15 53 01.4 -08 50 04   1.4901  2.4284   152.8    10.9  21.7
    ...
    2016 05 01    15 49 10.9 -07 31 30   1.4446  2.4162   160.0     8.2  21.6
    ...
    2016 05 07    15 45 34.3 -06 33 17   1.4207  2.4076   164.3     6.5  21.6
    2016 05 08    15 44 55.4 -06 23 46   1.4176  2.4062   164.8     6.3  21.6
    2016 05 09    15 44 15.9 -06 14 21   1.4147  2.4048   165.2     6.1  21.6
    ...
    2016 05 15    15 40 09.7 -05 19 57   1.4029  2.3966   166.2     5.8  21.5
    ...
    2016 05 23    15 34 34.1 -04 15 16   1.4011  2.3864   162.6     7.3  21.5
    ...
    2016 06 07    15 25 23.3 -02 48 14   1.4386  2.3692   149.4    12.6  21.5
    
    Gareth V. Williams           (C) Copyright 2016 MPC           M.P.E.C. 2016-J90
    

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