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  • MPEC 2022-Q201 : COMET P/2022 P2 (ZTF)

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    M.P.E.C. 2022-Q201                              Issued 2022 August 31, 03:28 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/2022 P2 (ZTF)                          
    
         B. T. Bolin, on behalf of the Zwicky Transient Facility (ZTF)
    Collaboration, reports the discovery of a comet in survey images taken Aug. 15
    UT by ZTF (I41), noting a 4" condensed coma and a straight 20" tail at position
    angle 270-280 deg. Additional reports of cometary features are as follows:
    
    OC   Date        Reporter           Coma    Tail    PA          Exposures
    
    U69  2022-08-19  H. Sato            8"                         12x60s
    950  2022-08-20  M. Masek           7"      10"     295        17x60s
    L06  2022-08-20  P. Sicoli          3"       7"     310
    D35  2022-08-20  Z.-Y. Lin          5"      95"     280-290
    Z28  2022-08-23  N. Paul            5".5                       14x50s
    G40  2022-08-24  B. Lutkenhoner    10"      15"     290        33x50s
    L01  2022-08-25  K. Korlevic       11"      39"     282        18x60s
    
    
    Observations:
        PK22P020* C2022 08 15.50171107 00 30.329+26 53 33.38         18.5 rUEQ201I41
        PK22P020  C2022 08 15.50410807 00 30.688+26 53 32.09               UEQ201I41
        PK22P020  C2022 08 15.50650507 00 31.029+26 53 31.57               UEQ201I41
        PK22P020  C2022 08 15.50889707 00 31.389+26 53 30.29               UEQ201I41
        PK22P020  C2022 08 16.50307407 03 00.055+26 46 51.98         17.8 rUEQ201I41
        PK22P020  C2022 08 16.50546907 03 00.414+26 46 50.71               UEQ201I41
        PK22P020  C2022 08 16.50786707 03 00.774+26 46 50.20               UEQ201I41
        PK22P020  C2022 08 17.50002807 05 28.475+26 40 03.62         17.7 rUEQ201I41
        PK22P020  C2022 08 17.50242107 05 28.797+26 40 02.36               UEQ201I41
        PK22P020  C2022 08 17.50481807 05 29.194+26 40 01.87               UEQ201I41
        PK22P020  C2022 08 17.50721807 05 29.516+26 40 00.36               UEQ201I41
        PK22P020  C2022 08 17.50961207 05 29.913+26 39 59.86               UEQ201I41
        PK22P020  C2022 08 18.49863707 07 56.411+26 33 06.41         17.8 rUEQ201I41
        PK22P020  C2022 08 18.50103507 07 56.770+26 33 05.64               UEQ201I41
        PK22P020  C2022 08 18.50340907 07 57.128+26 33 03.60               UEQ201I41
        PK22P020  C2022 08 18.50582907 07 57.468+26 33 03.34               UEQ201I41
        PK22P020  C2022 08 18.50822507 07 57.884+26 33 02.57               UEQ201I41
        PK22P020  C2022 08 19.50071 07 10 24.18 +26 25 58.5          18.00rUEQ201I41
        PK22P020  C2022 08 19.50314 07 10 24.50 +26 25 57.5          18.08rUEQ201I41
        PK22P020 5C2022 08 19.50512 07 10 24.87 +26 25 56.8                VEQ201U69
        PK22P020  C2022 08 19.50558 07 10 24.86 +26 25 56.4          18.08rUEQ201I41
        PK22P020 5C2022 08 19.50872 07 10 25.39 +26 25 55.2          18.1 GVEQ201U69
        PK22P020  C2022 08 19.51044 07 10 25.48 +26 25 54.1          18.07rUEQ201I41
        PK22P020 KC2022 08 20.10613 07 11 53.11 +26 21 35.1          17.5 GVEQ201204
        PK22P020 KC2022 08 20.11190 07 11 53.89 +26 21 33.0                VEQ201204
        PK22P020 KC2022 08 20.13218307 11 57.00 +26 21 24.8          17.6 GVEQ201L06
        PK22P020 KC2022 08 20.13324107 11 57.15 +26 21 24.4          17.2 GVEQ201L06
        PK22P020 KC2022 08 20.13588607 11 57.54 +26 21 23.0          17.6 GVEQ201L06
        PK22P020 KC2022 08 20.13800207 11 57.83 +26 21 22.4          17.1 GVEQ201L06
        PK22P020 :C2022 08 20.20794 07 12 07.97 +26 20 52.3          17.2 VqEQ201950
        PK22P020 :C2022 08 20.21256 07 12 08.65 +26 20 50.1          17.1 VqEQ201950
        PK22P020 :C2022 08 20.21793 07 12 09.46 +26 20 48.4          17.2 VqEQ201950
        PK22P020 KC2022 08 21.03400 07 14 08.89 +26 14 46.9          18.3 GXEQ201L51
        PK22P020 KC2022 08 21.03844 07 14 09.61 +26 14 45.4          18.7 GXEQ201L51
        PK22P020 KC2022 08 21.04279 07 14 10.28 +26 14 43.4          18.2 GXEQ201L51
        PK22P020 KC2022 08 23.16425 07 19 18.451+25 58 43.86         17.6 GVEQ201Z28
        PK22P020 KC2022 08 23.16966 07 19 19.231+25 58 41.09         17.8 GVEQ201Z28
        PK22P020 KC2022 08 24.12822907 21 37.41 +25 51 16.0          17.3 GVEQ201L06
        PK22P020 KC2022 08 24.13145507 21 37.88 +25 51 14.1          17.0 GVEQ201L06
        PK22P020 KC2022 08 24.13683007 21 38.63 +25 51 11.9          16.8 GVEQ201L06
        PK22P020 KC2022 08 24.13951907 21 39.03 +25 51 10.7          17.0 GVEQ201L06
        PK22P020 9C2022 08 24.20775 07 21 48.758+25 50 40.09         16.8 RVEQ201G40
        PK22P020 9C2022 08 24.23378 07 21 52.471+25 50 27.46         16.9 RVEQ201G40
        PK22P020 IC2022 08 25.08972307 23 55.38 +25 43 41.1          18.0 GVEQ201L01
        PK22P020 IC2022 08 25.09203007 23 55.71 +25 43 39.9          18.0 GVEQ201L01
        PK22P020 KC2022 08 25.09664007 23 56.32 +25 43 38.2          18.0 GVEQ201L01
        PK22P020 KC2022 08 25.09894607 23 56.65 +25 43 36.7          18.0 GVEQ201L01
        PK22P020 KC2022 08 25.10125207 23 56.98 +25 43 35.0          18.0 GVEQ201L01
        PK22P020 KC2022 08 26.15179 07 26 26.89 +25 35 13.2          16.6 VvEQ201A77
        PK22P020 KC2022 08 26.15422 07 26 27.18 +25 35 12.0          16.4 VvEQ201A77
        PK22P020 KC2022 08 26.15665 07 26 27.50 +25 35 10.5          17.2 VvEQ201A77
        PK22P020  C2022 08 26.60244207 27 30.775+25 31 34.46         18.23cVEQ201T05
        PK22P020  C2022 08 26.60615907 27 31.274+25 31 32.95         18.34cVEQ201T05
        PK22P020  C2022 08 26.62367407 27 33.730+25 31 25.03         18.37cVEQ201T05
        PK22P020 KC2022 08 27.12926 07 28 45.55 +25 27 15.5          18.0 GVEQ201K83
        PK22P020 KC2022 08 27.13336 07 28 46.12 +25 27 13.2          18.2 GVEQ201K83
        PK22P020 KC2022 08 27.13763 07 28 46.71 +25 27 10.9          19.0 GVEQ201K83
        PK22P020 KC2022 08 29.13021407 33 27.144+25 10 37.31         17.7 GVEQ201K74
        PK22P020 KC2022 08 29.13755807 33 28.118+25 10 34.18         17.2 GVEQ201K74
    
    Observer details:
    204 Schiaparelli Observatory.  Observer L. Buzzi.  Measurers L. Buzzi, A.
        Aletti.  0.84-m f/3.5 reflector + CCD.
    950 La Palma.  Observer M. Masek.
    A77 Observatoire Chante-Perdrix, Dauban.  Observer F. Kugel.  0.4-m f/2.8
        reflector + CCD.
    G40 Slooh.com Canary Islands Observatory.  Observer B. Lutkenhoner.  0.5-m
        f/6.8 Corrected Dall-Kirkham + CCD.
    I41 Palomar Mountain--ZTF.  Observers B. T. Bolin, G. Helou, T. A. Prince, Z.
        T. F. Collaboration, T. Prince, K. Venkataramani, B. Bolin.  Measurers D.
        A. Duev, F. J. Masci, Q.-Z. Ye, F. Masci, D. Shupe.  1.2-m f/2.4 Schmidt +
        ZTF Camera, 1.2-m f/2.44 Oschin-Schmidt + CCD.
    K74 Muensterschwarzach Observatory, Schwarzach.  Observer C. Gerhard.  0.30-m
        f/3.75 reflector + CCD.
    K83 Beppe Forti Astronomical Observatory, Montelupo.  Observers M. Tombelli,
        A. Boattini, A. Mazzanti, M. Iozzi, S. Bartolini, T. Bitossi.  Measurers
        M. Tombelli, F. Bernardi.  0.40-m f/8 Ritchey-Chretien + CCD.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, P. Dusevic, M.
        Markovic, I. Paleka, I. Perovic, E. Pettarin, V. Srdic.  Measurer M.
        Markovic.  1.0-m f/2.9 reflector + CCD.
    L06 Sormano 2 Observatory, Bellagio Via Lattea.  Observer G. Ventre.
        Measurers P. Sicoli, G. Ventre.  0.36m Schmidt Cassegrain + CCD.
    L51 MARGO, Nauchnij.  Observer G. Borisov.  0.50-m f/2 reflector + CCD.
    T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, R. Siverd, J. Tonry, H.
        Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
        J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector + CCD.
    U69 iTelescope SRO Observatory, Auberry.  Observer H. Sato.  0.61-m f/6.5
        astrograph + CCD.
    Z28 Northern Skygems Observatory, Nerpio.  Observer N. Paul.  0.5-m f/6.8
        Corrected Dall-KIrkham + CCD.
    
    Orbital elements:
        P/2022 P2 (ZTF)                                                             
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                                          
    T 2022 July 8.35708 TT                                  Rudenko                 
    q   1.9652918            (2000.0)            P               Q                  
    n   0.11990852     Peri.  136.63074     +0.36542197     -0.90864177             
    a   4.0728902      Node   290.99713     +0.78394724     +0.41746859             
    e   0.5174700      Incl.   12.50087     +0.50188993     +0.00949275             
    P   8.22                                                                        
    From 59 observations 2022 Aug. 15-29, mean residual 0".7.                       
                                                                                    
    Ephemeris:
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
    2022 08 01    06 23 13.0 +28 12 46   2.7398  1.9763    33.6    16.5  17.6
    ...
    2022 08 16    07 01 44.6 +26 50 16   2.6733  1.9945    39.2    18.7  17.6
    ...
    2022 08 24    07 21 18.6 +25 52 18   2.6350  2.0076    42.4    19.9  17.6
    ...
    2022 08 30    07 35 28.2 +25 03 17   2.6047  2.0190    44.9    20.7  17.6
    2022 08 31    07 37 47.1 +24 54 42   2.5995  2.0210    45.3    20.8  17.6
    2022 09 01    07 40 05.1 +24 45 59   2.5943  2.0230    45.7    20.9  17.6
    ...
    2022 09 07    07 53 36.1 +23 51 28   2.5622  2.0360    48.3    21.7  17.6
    ...
    2022 09 15    08 10 50.0 +22 33 21   2.5171  2.0552    51.9    22.7  17.6
    ...
    2022 09 30    08 40 33.4 +19 54 01   2.4248  2.0965    59.2    24.2  17.6
    
    M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-Q201
    


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