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  • MPEC 2015-W07 : COMET C/2015 T4 (PANSTARRS)

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    M.P.E.C. 2015-W07                                Issued 2015 Nov. 17, 01:52 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 C/2015 T4 (PANSTARRS)
    
    Observations:
        CK15T040 5C2015 10 22.53595 05 51 21.16 +00 29 43.4                vEW007U69
        CK15T040 5C2015 10 22.53795 05 51 21.12 +00 29 41.0                vEW007U69
        CK15T040 5C2015 10 22.53994 05 51 21.07 +00 29 38.6          18.3 TvEW007U69
        CK15T040  C2015 10 25.51472 05 49 52.551-00 30 57.00         18.8 TLEW007F51
        CK15T040  C2015 10 25.52857 05 49 52.090-00 31 14.21         18.9 TLEW007F51
        CK15T040  C2015 10 25.54246 05 49 51.623-00 31 31.47         18.7 TLEW007F51
        CK15T040  C2015 10 25.55639 05 49 51.160-00 31 48.74         18.7 TLEW007F51
        CK15T040  C2015 11 04.15815 05 43 24.78 -03 59 20.9          17.5 NqEW007J22
        CK15T040  C2015 11 04.16122 05 43 24.63 -03 59 25.4          17.5 NqEW007J22
        CK15T040  C2015 11 04.16399 05 43 24.48 -03 59 28.6          17.5 NqEW007J22
        CK15T040  C2015 11 07.40561 05 40 38.34 -05 13 07.0          17.8 TREW007G45
        CK15T040  C2015 11 07.40568 05 40 38.33 -05 13 07.2          17.9 TREW007G45
        CK15T040  C2015 11 07.41066 05 40 38.05 -05 13 14.0          17.8 TREW007G45
        CK15T040  C2015 11 07.41073 05 40 38.04 -05 13 13.9          17.8 TREW007G45
        CK15T040  C2015 11 07.41575 05 40 37.76 -05 13 21.0          17.8 TREW007G45
        CK15T040  C2015 11 07.41581 05 40 37.75 -05 13 20.9          17.4 TREW007G45
        CK15T040  C2015 11 07.42073 05 40 37.49 -05 13 27.8          17.6 TREW007G45
        CK15T040  C2015 11 07.43484 05 40 36.69 -05 13 47.4          16.7 TqEW007703
        CK15T040  C2015 11 07.43986 05 40 36.44 -05 13 53.9          16.9 TqEW007703
        CK15T040  C2015 11 07.44489 05 40 36.18 -05 14 01.6                qEW007703
        CK15T040  C2015 11 07.44992 05 40 35.88 -05 14 08.7          17.6 TqEW007703
        CK15T040 KC2015 11 08.04843 05 40 03.25 -05 27 54.4          17.5 NqEW007157
        CK15T040 KC2015 11 08.05265 05 40 03.01 -05 28 00.5          17.9 NqEW007157
        CK15T040 KC2015 11 08.05686 05 40 02.80 -05 28 05.7          17.5 NqEW007157
        CK15T040  C2015 11 08.40273 05 39 43.53 -05 36 03.9          17.8 TREW007G45
        CK15T040  C2015 11 08.41051 05 39 43.10 -05 36 14.7          17.7 TREW007G45
        CK15T040  C2015 11 08.41577 05 39 42.81 -05 36 21.8          17.7 TREW007G45
        CK15T040  C2015 11 08.42342 05 39 42.37 -05 36 32.3          17.7 TREW007G45
        CK15T040  C2015 11 08.42355 05 39 42.37 -05 36 32.7          17.8 TREW007G45
        CK15T040  C2015 11 08.42840 05 39 42.08 -05 36 38.9          17.7 TREW007G45
        CK15T040  C2015 11 08.42847 05 39 42.09 -05 36 39.4          17.6 TREW007G45
        CK15T040 KC2015 11 08.93707 05 39 13.58 -05 48 24.9          17.6 TqEW007215
        CK15T040 KC2015 11 08.93836 05 39 13.51 -05 48 26.6          17.6 TqEW007215
        CK15T040 KC2015 11 08.93965 05 39 13.44 -05 48 28.3          17.6 TqEW007215
        CK15T040  C2015 11 10.41024 05 37 48.00 -06 22 37.8          17.9 TREW007G45
        CK15T040  C2015 11 10.41509 05 37 47.71 -06 22 44.5          17.8 TREW007G45
        CK15T040  C2015 11 10.42011 05 37 47.41 -06 22 51.6          17.6 TREW007G45
        CK15T040  C2015 11 10.42018 05 37 47.40 -06 22 51.7          17.8 TREW007G45
        CK15T040  C2015 11 10.42530 05 37 47.08 -06 22 58.9          17.7 TREW007G45
        CK15T040  C2015 11 10.42536 05 37 47.08 -06 22 58.8          17.8 TREW007G45
        CK15T040 KC2015 11 12.01086 05 36 10.88 -07 00 04.5          18.0 NoEW007461
        CK15T040 KC2015 11 12.01411 05 36 10.68 -07 00 09.2          18.0 NoEW007461
        CK15T040 KC2015 11 12.01902 05 36 10.37 -07 00 16.0          17.7 NoEW007461
        CK15T040  C2015 11 14.38580 05 33 38.60 -07 56 01.7          17.5 TREW007G45
        CK15T040  C2015 11 14.39068 05 33 38.28 -07 56 08.7          17.6 TREW007G45
        CK15T040  C2015 11 14.39159 05 33 38.23 -07 56 09.9          17.6 TREW007G45
        CK15T040  C2015 11 14.39533 05 33 37.96 -07 56 15.4          17.5 TREW007G45
        CK15T040  C2015 11 14.39614 05 33 37.93 -07 56 16.5          17.5 TREW007G45
        CK15T040  C2015 11 14.39998 05 33 37.66 -07 56 21.9          17.4 TREW007G45
        CK15T040  C2015 11 14.40079 05 33 37.60 -07 56 23.1          17.5 TREW007G45
        CK15T040  C2015 11 14.40537 05 33 37.30 -07 56 29.2          17.4 TREW007G45
    
    Observer details:
    157 Frasso Sabino.  Observer R. Haver.  0.37-m f/6.85 Cassegrain + CCD.
    215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
    461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observer K. Sarneczky.
        0.60-m Schmidt + CCD.
    703 Catalina Sky Survey.  Observer R. G. Matheny.  Measurers E. J. Christensen,
        D. C. Fuls, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, R. G. Matheny, F. C. Shelly.  0.68-m Schmidt
        + 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.
    G45 Space Surveillance Telescope, Atom Site.  Observers M. Blythe, R. Brungard,
        P. Festler, T. McVey, J. Paige, G. Spitz.  Measurers M. Cornell, A. Klein,
        J. Ruprecht, G. Ushomirsky, J. Varey, D. Woods.  3.5-m f/1 reflector + CCD.
    J22 Tacande Observatory, La Palma.  Observer K. Hills.  0.5-m f/2.9 astrograph
        + CCD.
    U69 iTelescope SRO Observatory, Auberry.  Observer H. Sato.  0.61-m f/6.5
        astrograph + CCD.
    
    Orbital elements:
        C/2015 T4 (PANSTARRS)
    Epoch 2016 June 21.0 TT = JDT 2457560.5
    T 2016 June 19.02715 TT                                 MPCW
    q   2.2958618            (2000.0)            P               Q
    z  +0.0118087      Peri.  270.16320     -0.03550942     -0.31247829
     +/-0.0001074      Node   251.78533     +0.40548077     -0.87266744
    e   0.9728890      Incl.   87.91137     -0.91341361     -0.37524505
    From 106 observations 2015 Oct. 14-Nov. 14, mean residual 0".4.
    
        C/2015 T4 (PANSTARRS)
    Epoch 2016 Jan. 13.0 TT = JDT 2457400.5
    T 2016 June 19.01810 TT                                 MPCW
    q   2.2958995            (2000.0)            P               Q
    z  +0.0118055      Peri.  270.15938     -0.03550457     -0.31250388
     +/-0.0001074      Node   251.78393     +0.40554448     -0.87263336
    e   0.9728958      Incl.   87.91039     -0.91338552     -0.37530300
    From 106 observations 2015 Oct. 14-Nov. 14, mean residual 0".4.
    
    Ephemeris:
        C/2015 T4 (PANSTARRS)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2015 10 18    05 53 09.7 +01 58 34   2.9587  3.4850   114.0    15.1  18.8
    ...
    2015 11 02    05 45 05.3 -03 11 12   2.6737  3.3737   127.7    13.5  18.4
    ...
    2015 11 10    05 38 12.2 -06 13 01   2.5475  3.3151   134.2    12.4  18.2
    ...
    2015 11 16    05 31 49.7 -08 34 13   2.4673  3.2716   138.2    11.6  18.1
    2015 11 17    05 30 40.1 -08 57 59   2.4552  3.2644   138.7    11.5  18.1
    2015 11 18    05 29 28.8 -09 21 46   2.4435  3.2572   139.3    11.4  18.1
    ...
    2015 11 24    05 21 47.8 -11 44 27   2.3815  3.2142   141.6    11.0  18.0
    ...
    2015 12 02    05 10 14.1 -14 50 38   2.3213  3.1575   142.0    11.1  17.8
    ...
    2015 12 17    04 45 54.7 -20 03 02   2.2778  3.0535   134.9    13.2  17.6
    
    Gareth V. Williams           (C) Copyright 2015 MPC           M.P.E.C. 2015-W07
    

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