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  • MPEC 2019-H30 : A/2019 G2

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    M.P.E.C. 2019-H30                                Issued 2019 Apr. 22, 02:29 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
    
                                       A/2019 G2
    
    Observations:
        AK19G020* C2019 04 02.44043 13 29 10.279-04 26 38.73         21.3 wUEH030F51
        AK19G020  C2019 04 02.45326 13 29 08.692-04 26 24.69         21.4 wUEH030F51
        AK19G020  C2019 04 02.46612 13 29 07.098-04 26 11.24         21.2 wUEH030F51
        AK19G020 KC2019 04 03.26175113 27 29.38 -04 11 49.1          21.0 VuEH030H21
        AK19G020 KC2019 04 03.26784413 27 28.60 -04 11 42.3          21.3 VuEH030H21
        AK19G020 KC2019 04 03.27332813 27 27.93 -04 11 36.5          20.9 VuEH030H21
        AK19G020  C2019 04 03.32180 13 27 21.94 -04 10 43.5                VEH030I52
        AK19G020  C2019 04 03.32691 13 27 21.24 -04 10 38.0                VEH030I52
        AK19G020  C2019 04 03.32858 13 27 21.09 -04 10 35.9          21.1 GVEH030I52
        AK19G020  C2019 04 03.33024 13 27 20.93 -04 10 34.1                VEH030I52
        AK19G020 1C2019 04 03.53738 13 26 55.39 -04 06 44.1                VEH030Q62
        AK19G020 1C2019 04 03.54145 13 26 54.85 -04 06 40.1                VEH030Q62
        AK19G020 1C2019 04 03.54501 13 26 54.41 -04 06 36.0          21.4 GVEH030Q62
        AK19G020  C2019 04 07.06569 13 19 31.91 -03 01 42.1          21.8 VVEH030033
        AK19G020  C2019 04 07.06926 13 19 31.45 -03 01 38.0          21.6 VVEH030033
        AK19G020  C2019 04 07.07284 13 19 30.98 -03 01 34.3          21.5 VVEH030033
        AK19G020  C2019 04 07.07640 13 19 30.49 -03 01 30.8          21.7 VVEH030033
        AK19G020  C2019 04 07.07998 13 19 30.02 -03 01 26.8          21.5 VVEH030033
        AK19G020 |C2019 04 07.22938 13 19 11.08 -02 58 34.6          21.4 VuEH030807
        AK19G020 |C2019 04 07.23322 13 19 10.57 -02 58 30.2          21.3 VuEH030807
        AK19G020 |C2019 04 07.23681 13 19 10.11 -02 58 25.8          21.4 VuEH030807
        AK19G020  C2019 04 07.42882213 18 45.614-02 54 53.18         21.2 GVEH030F51
        AK19G020  C2019 04 07.43927413 18 44.277-02 54 41.47         21.5 GVEH030F51
        AK19G020  C2019 04 07.44973513 18 42.918-02 54 29.73         21.2 GVEH030F51
        AK19G020  C2019 04 07.46020613 18 41.602-02 54 17.82         21.0 GVEH030F51
        AK19G020  C2019 04 09.38464613 14 34.076-02 18 01.91         21.2 GVEH030F51
        AK19G020  C2019 04 09.39628813 14 32.559-02 17 48.65         21.6 GVEH030F51
        AK19G020  C2019 04 09.40795213 14 31.051-02 17 35.61         20.7 GVEH030F51
        AK19G020  C2019 04 09.41962613 14 29.517-02 17 22.39         21.3 GVEH030F51
        AK19G020 KC2019 04 11.26820 13 10 29.14 -01 42 13.3          21.6 RoEH030691
        AK19G020 KC2019 04 11.27627 13 10 28.09 -01 42 03.8          21.5 RoEH030691
        AK19G020 KC2019 04 11.28433 13 10 26.98 -01 41 55.1          21.4 RoEH030691
        AK19G020  C2019 04 11.30221 13 10 24.59 -01 41 34.7          21.8 GVEH030I52
        AK19G020  C2019 04 11.30470 13 10 24.37 -01 41 32.7          21.0 GVEH030I52
        AK19G020  C2019 04 11.30720 13 10 23.95 -01 41 28.8          21.3 GVEH030I52
        AK19G020  C2019 04 11.30970 13 10 23.65 -01 41 27.0          21.1 GVEH030I52
        AK19G020 KC2019 04 12.24042 13 08 21.74 -01 23 38.4                oEH030711
        AK19G020 KC2019 04 12.24410 13 08 21.31 -01 23 33.5                oEH030711
        AK19G020 KC2019 04 12.24779 13 08 20.82 -01 23 29.3                oEH030711
        AK19G020  C2019 04 15.40227 13 01 24.86 -00 22 58.2          21.5 GVEH030V06
        AK19G020  C2019 04 15.40423 13 01 24.63 -00 22 56.2          21.4 GVEH030V06
        AK19G020  C2019 04 15.40618 13 01 24.48 -00 22 53.8                VEH030V06
        AK19G020  C2019 04 15.40814 13 01 24.21 -00 22 51.9                VEH030V06
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    691 Steward Observatory, Kitt Peak-Spacewatch.  Observer T. H. Bressi.  0.9-m
        f/3 reflector + CCD.
    711 McDonald Observatory, Fort Davis.  Observer J. G. Ries.  2.1-m reflector
        + CCD + focal reducer.
    807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
        0.61-m f/6.5 astrograph + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman, K. Chambers, E. Magnier.  Measurers K. Chambers, S. Chastel,
        T. de Boer, L. Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin,
        E. Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
        astrograph + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observers G. J. Leonard,
        T. A. Pruyne.  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, T. A. Pruyne, R. L. Seaman, F. C. Shelly.
        1.0-m reflector + CCD.
    Q62 iTelescope Observatory, Siding Spring.  Observer H. Sato.  0.51-m f/6.8
        astrograph + CCD + f/4.5 focal reducer.
    V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  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,
        T. A. Pruyne, R. L. Seaman, F. C. Shelly.  1.55-m reflector + CCD.
    
    Orbital elements:
        A/2019 G2
    T 2019 Dec.  9.59165 TT                                 MPCW
    q   2.2974749            (2000.0)            P               Q
                       Peri.   82.42098     -0.55359594     +0.81580258
                       Node   208.15294     +0.55282415     +0.51026412
    e   1.0            Incl.  159.22908     +0.62282983     +0.27220704
    H  16.5
    From 43 observations 2019 Apr. 2-15.
    
    Ephemeris:
        A/2019 G2
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
    2019 03 23    13 49 06.0 -07 23 08   2.7213  3.6410   153.6     7.0        22.0
    ...
    2019 04 07    13 19 40.4 -03 02 54   2.5283  3.5255   174.2     1.6        21.5
    ...
    2019 04 15    13 02 18.4 -00 30 41   2.4757  3.4646   168.6     3.3        21.5
    ...
    2019 04 21    12 49 04.1 +01 24 10   2.4601  3.4192   159.5     5.9        21.6
    2019 04 22    12 46 52.2 +01 43 06   2.4594  3.4117   157.9     6.4        21.6
    2019 04 23    12 44 40.7 +02 01 57   2.4593  3.4042   156.4     6.8        21.6
    ...
    2019 04 29    12 31 44.4 +03 52 13   2.4698  3.3592   147.0     9.4        21.7
    ...
    2019 05 07    12 15 25.4 +06 08 30   2.5111  3.2999   134.7    12.5        21.8
    ...
    2019 05 22    11 49 18.6 +09 38 57   2.6547  3.1904   113.1    17.0        22.0
    
    Gareth V. Williams           (C) Copyright 2019 MPC           M.P.E.C. 2019-H30
    

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