• MPC Preparation (Info)

  • MPEC 2019-C14 : COMET P/2018 Y2 (Africano)

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    M.P.E.C. 2019-C14                                Issued 2019 Feb. 3, 03:55 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/2018 Y2 (Africano)
    
    Observations:
        PK18Y020  C2019 01 04.58190 06 41 57.62 +27 41 14.5          18.8 TmEC014349
        PK18Y020  C2019 01 04.59050 06 41 57.31 +27 41 12.9                mEC014349
        PK18Y020  C2019 01 06.43545106 40 46.87 +27 37 38.0          18.89oVEC014T08
        PK18Y020  C2019 01 06.44621806 40 46.53 +27 37 35.6          18.79oVEC014T08
        PK18Y020  C2019 01 06.44898006 40 46.38 +27 37 36.9          19.10oVEC014T08
        PK18Y020  C2019 01 06.46507006 40 45.78 +27 37 33.9          18.96oVEC014T08
        PK18Y020 KC2019 01 06.91411 06 40 28.99 +27 36 38.8          18.0 NqEC014157
        PK18Y020 KC2019 01 06.92255 06 40 28.62 +27 36 38.1          17.9 NqEC014157
        PK18Y020 KC2019 01 06.93103 06 40 28.31 +27 36 36.6          18.5 NqEC014157
        PK18Y020  C2019 01 08.23081 06 39 39.46 +27 33 58.4          19.7 GVEC014G96
        PK18Y020  C2019 01 08.23647 06 39 39.27 +27 33 57.6          19.3 GVEC014G96
        PK18Y020  C2019 01 08.24213 06 39 39.03 +27 33 56.8          19.4 GVEC014G96
        PK18Y020  C2019 01 08.24780 06 39 38.80 +27 33 56.2          19.1 GVEC014G96
        PK18Y020  C2019 01 15.27322 06 35 26.05 +27 18 32.8                VEC014G96
        PK18Y020  C2019 01 15.27834 06 35 25.85 +27 18 32.2          19.2 GVEC014G96
        PK18Y020  C2019 01 15.28345 06 35 25.66 +27 18 31.6          20.2 GVEC014G96
        PK18Y020  C2019 01 15.31827 06 35 24.44 +27 18 26.8          19.5 GVEC014G96
        PK18Y020 KC2019 01 29.84718 06 28 23.44 +26 42 01.2          19.5 VqEC014A71
        PK18Y020 KC2019 01 29.85345 06 28 23.28 +26 41 59.9          19.5 VqEC014A71
        PK18Y020 KC2019 01 29.86151 06 28 23.05 +26 41 58.9          19.7 VqEC014A71
    
    Observer details:
    157 Frasso Sabino.  Observers R. Haver, R. Gorelli.  Measurer R. Haver.
        0.37-m f/6.70 Cassegrain + CCD.
    349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
    A71 Stixendorf.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
        Measurer M. Jaeger.  0.3-m f/4 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observers A. D. Grauer, H. Groeller.  Measurers
        B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
        A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard,
        R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.
    T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, J. Tonry, A. Heinze,
        H. Weiland.  Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland,
        B. Stalder, D. Young, N. Erasmus.  0.5-m reflector + CCD.
    
    Orbital elements:
        P/2018 Y2 (Africano)
    Epoch 2018 Dec. 28.0 TT = JDT 2458480.5
    T 2019 Jan. 2.19609 TT                                  MPCW
    q   3.8944104            (2000.0)            P               Q
    n   0.04820911     Peri.  162.44322     -0.17405459     -0.96813364
    a   7.4768147      Node   297.25716     +0.87743247     -0.06946979
    e   0.4791351      Incl.   11.68631     +0.44700923     -0.24060590
    P  20.44
    From 63 observations 2018 Dec. 10-2019 Jan. 29, mean residual 0".4.
    
        P/2018 Y2 (Africano)
    Epoch 2039 May 12.0 TT = JDT 2465920.5
    T 2039 May 22.32918 TT                                  MPCW
    q   3.8948985            (2000.0)            P               Q
    n   0.04812535     Peri.  162.23503     -0.16948493     -0.96893814
    a   7.4854884      Node   297.19620     +0.87785615     -0.06536985
    e   0.4796734      Incl.   11.68193     +0.44793240     -0.23850717
    P  20.48
    From 63 observations 2018 Dec. 10-2019 Jan. 29, mean residual 0".4.
    
        P/2018 Y2 (Africano)
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5
    T 2019 Jan. 2.11539 TT                                  MPCW
    q   3.8943684            (2000.0)            P               Q
    n   0.04823525     Peri.  162.43187     -0.17385006     -0.96816742
    a   7.4741133      Node   297.25638     +0.87744601     -0.06927600
    e   0.4789524      Incl.   11.68728     +0.44706225     -0.24052583
    P  20.43
    From 63 observations 2018 Dec. 10-2019 Jan. 29, mean residual 0".4.
    
    Ephemeris:
        P/2018 Y2 (Africano)
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2019 01 04    06 42 20.0 +27 42 21   2.9150  3.8944   174.1     1.5  19.7
    ...
    2019 01 19    06 33 22.8 +27 09 44   2.9625  3.8957   158.7     5.3  19.8
    ...
    2019 01 27    06 29 32.2 +26 49 33   3.0139  3.8973   149.9     7.3  19.8
    ...
    2019 02 02    06 27 16.3 +26 33 34   3.0632  3.8988   143.4     8.7  19.8
    2019 02 03    06 26 57.1 +26 30 51   3.0722  3.8991   142.3     8.9  19.8
    2019 02 04    06 26 38.9 +26 28 08   3.0815  3.8994   141.3     9.1  19.9
    ...
    2019 02 10    06 25 12.6 +26 11 38   3.1418  3.9014   134.9    10.3  19.9
    ...
    2019 02 18    06 24 20.1 +25 49 27   3.2332  3.9046   126.7    11.7  20.0
    ...
    2019 03 05    06 25 56.8 +25 08 16   3.4311  3.9122   112.0    13.6  20.1
    
    Gareth V. Williams           (C) Copyright 2019 MPC           M.P.E.C. 2019-C14
    

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