[Iaude] MPEC P10: COMET C/2020 O2 (Amaral)

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Aug 2 16:36:47 EDT 2020


M.P.E.C. 2020-P10                                Issued 2020 August 2, 20:18 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                            COMET C/2020 O2 (Amaral)                            

     L. S. Amaral reports the discovery of a comet on exposures taken on
July 23 UT at Campo dos Amarais Observatory (X74).  Reports of cometary features
are as follows:

OC   Date        Reporter           Coma    Tail    PA          Exposures
X74  2020-07-23  L. S. Amaral        13"                          3x60s
X02  2020-07-27  E. Guido             8"                         16x90s
X31  2020-07-28  C. N. Fornari      18".5
Q62  2020-07-30  H. Sato              8"                          9x60s

Observations:
    CK20O020* C2020 07 23.97256 14 20 47.55 -53 18 20.9          18.1 RqEP010X74
    CK20O020  C2020 07 23.98569 14 20 47.94 -53 18 12.3          18.2 RqEP010X74
    CK20O020  C2020 07 23.99894 14 20 48.18 -53 18 03.4          18.3 RqEP010X74
    CK20O020  C2020 07 24.06568 14 20 49.49 -53 17 19.7          17.9 RqEP010X74
    CK20O020  C2020 07 24.07609 14 20 49.74 -53 17 12.5          18.4 RqEP010X74
    CK20O020  C2020 07 24.08656 14 20 50.00 -53 17 06.6          18.5 RqEP010X74
    CK20O020 KC2020 07 24.32637 14 20 55.25 -53 14 31.2          17.6 RqEP010E94
    CK20O020 KC2020 07 24.33189 14 20 55.23 -53 14 27.5          17.6 RqEP010E89
    CK20O020 KC2020 07 24.33732 14 20 55.40 -53 14 24.4          17.6 RqEP010E94
    CK20O020 KC2020 07 24.34822 14 20 55.61 -53 14 16.7          17.5 RqEP010E94
    CK20O020 KC2020 07 24.34865 14 20 55.62 -53 14 15.8          17.6 RqEP010E89
    CK20O020 KC2020 07 24.35915 14 20 55.87 -53 14 09.2          17.5 RqEP010E94
    CK20O020 KC2020 07 24.36957 14 20 56.19 -53 14 02.6          17.5 RqEP010E94
    CK20O020 KC2020 07 24.42661 14 20 57.15 -53 13 24.6          17.7 RqEP010E89
    CK20O020 KC2020 07 24.44271 14 20 57.79 -53 13 16.1          17.6 RqEP010E89
    CK20O020 KC2020 07 24.45854 14 20 58.08 -53 13 05.6          18.3 RqEP010E89
    CK20O020 KC2020 07 24.47463 14 20 58.36 -53 12 54.2          17.5 RqEP010E89
    CK20O020 KC2020 07 24.49066 14 20 58.73 -53 12 45.3          17.5 RqEP010E89
    CK20O020 KC2020 07 24.50504 14 20 59.14 -53 12 36.3          18.2 VqEP010323
    CK20O020 KC2020 07 24.56086 14 21 00.31 -53 12 00.3          17.6 VqEP010323
    CK20O020  C2020 07 24.96544 14 21 09.30 -53 07 39.8          18.1 RqEP010X74
    CK20O020  C2020 07 24.98181 14 21 09.67 -53 07 28.6          18.0 RqEP010X74
    CK20O020  C2020 07 24.99920 14 21 09.99 -53 07 17.3          18.0 RqEP010X74
    CK20O020 KC2020 07 25.27722 14 21 16.48 -53 04 17.6          18.1 RqEP010E89
    CK20O020 KC2020 07 25.28954 14 21 16.63 -53 04 09.6          18.5 RqEP010E89
    CK20O020 KC2020 07 25.32874 14 21 17.50 -53 03 45.0          17.6 RqEP010E89
    CK20O020 KC2020 07 25.34161 14 21 17.77 -53 03 36.3          17.8 RqEP010E89
    CK20O020  C2020 07 25.99116 14 21 32.81 -52 56 41.6          18.2 RqEP010X74
    CK20O020  C2020 07 26.00163 14 21 32.93 -52 56 33.7          18.2 RqEP010X74
    CK20O020  C2020 07 26.01221 14 21 33.15 -52 56 26.8          18.2 RqEP010X74
    CK20O020  C2020 07 26.01399 14 21 33.12 -52 56 26.0          18.2 RqEP010X74
    CK20O020  C2020 07 26.02455 14 21 33.51 -52 56 18.5          18.2 RqEP010X74
    CK20O020  C2020 07 26.03512 14 21 33.75 -52 56 12.0          18.3 RqEP010X74
    CK20O020 KC2020 07 26.30776 14 21 40.17 -52 53 17.8          17.4 RqEP010E94
    CK20O020 KC2020 07 26.32238 14 21 40.43 -52 53 08.5          17.4 RqEP010E94
    CK20O020 KC2020 07 26.35326 14 21 41.21 -52 52 48.3          17.4 RqEP010E94
    CK20O020 KC2020 07 26.36320 14 21 41.45 -52 52 42.7          17.4 RqEP010E94
    CK20O020 KC2020 07 26.36780 14 21 41.51 -52 52 39.2          17.4 RqEP010E94
    CK20O020 KC2020 07 26.37175 14 21 41.59 -52 52 36.9          17.4 RqEP010E94
    CK20O020 KC2020 07 26.94556 14 21 55.41 -52 46 31.3          18.0 GVEP010X31
    CK20O020 KC2020 07 27.00880 14 21 56.75 -52 45 50.7          18.5 GVEP010X31
    CK20O020 KC2020 07 27.04369 14 21 57.64 -52 45 28.4          17.8 GVEP010X02
    CK20O020 KC2020 07 27.05596 14 21 57.96 -52 45 20.3          18.0 GVEP010X02
    CK20O020  C2020 07 28.92260 14 22 44.66 -52 25 40.4          17.7 RqEP010X74
    CK20O020  C2020 07 28.93451 14 22 44.88 -52 25 33.9          17.7 RqEP010X74
    CK20O020  C2020 07 28.94699 14 22 45.20 -52 25 26.3          17.9 RqEP010X74
    CK20O020 KC2020 07 28.94839 14 22 45.31 -52 25 24.2          18.4 VqEP010X31
    CK20O020 KC2020 07 28.96917 14 22 45.82 -52 25 11.0          18.2 VqEP010X31
    CK20O020 KC2020 07 28.98729 14 22 46.24 -52 24 59.5          18.0 VqEP010X31
    CK20O020 KC2020 07 29.00464 14 22 46.68 -52 24 48.5          18.3 VqEP010X31
    CK20O020 KC2020 07 29.73404 14 23 05.81 -52 17 11.8          18.4 RtEP010K91
    CK20O020 KC2020 07 29.74744 14 23 06.12 -52 17 03.3          17.8 RtEP010K91
    CK20O020 KC2020 07 29.74811 14 23 06.14 -52 17 03.0          18.2 RtEP010K91
    CK20O020 KC2020 07 29.93641 14 23 11.12 -52 15 05.6          18.0 VqEP010X31
    CK20O020 KC2020 07 29.95960 14 23 11.84 -52 14 51.2          17.9 VqEP010X31
    CK20O020 KC2020 07 29.96365 14 23 11.93 -52 14 47.9          18.6 VqEP010X31
    CK20O020 KC2020 07 29.97382 14 23 12.19 -52 14 41.7          18.9 VqEP010X31
    CK20O020 1C2020 07 30.42309 14 23 24.15 -52 10 02.3                VEP010Q62
    CK20O020 1C2020 07 30.42593 14 23 24.23 -52 10 00.3                VEP010Q62
    CK20O020 1C2020 07 30.42873 14 23 24.30 -52 09 58.3          17.9 GVEP010Q62
    CK20O020 KC2020 07 31.96268 14 24 06.69 -51 54 08.8          19.8 VqEP010X31
    CK20O020 KC2020 07 31.97138 14 24 07.04 -51 54 03.6          17.8 VqEP010X31
    CK20O020 KC2020 07 31.98079 14 24 07.26 -51 53 57.8          18.9 VqEP010X31

Observer details:
323 Perth Observatory, Bickley.  Observers P. Camilleri, J. Oey, R. Groom.
    Measurer P. Camilleri.  0.34-m f/5 reflector + CCD.
E89 Geyserland Observatory, Pukehangi.  Observer R. Carstens.  0.25-m f/4.6
    Schmidt-Cassegrain + CCD.
E94 Possum Observatory, Gisborne.  Observer J. Drummond.  0.35-m f/10 Schmidt-
    Cassegrain + CCD.
K91 Sutherland-LCO A.  Observers P. Breitenstein, L. Broering.  1.0-m Ritchey-
    Chretien + CCD.
Q62 iTelescope Observatory, Siding Spring.  Observer H. Sato.  0.51-m f/6.8
    astrograph + CCD + f/4.5 focal reducer.
X02 Telescope Live, El Sauce.  Observers E. Guido, M. Rocchetto, E. Bryssinck,
    M. Fulle, G. Milani, C. Nassef, G. Savini, A. Valvasori.  Measurer E.
    Guido.  0.6-m f/6.5 astrograph + CCD.
X31 Galileo Galilei Observatory, Oro Verde.  Observer C. Fornari.  0.40-m f/8
    Ritchey-Chretien + CCD.
X74 Observatorio Campo dos Amarais.  Observer L. S. Amaral.  0.3-m f/4
    reflector + CCD.

Orbital elements:
    C/2020 O2 (Amaral)                                                          
T 2021 Aug. 23.83721 TT                                 Rudenko                 
q   4.9044268            (2000.0)            P               Q                  
                   Peri.    9.38910     -0.17882316     +0.33605906             
                   Node   256.62923     -0.95309134     -0.29245252             
e   1.0            Incl.   71.89202     -0.24421133     +0.89528533             
>From 63 observations 2020 July 23-31.                                           
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2020 07 03    14 16 57.4 -57 14 27   5.2598  5.8484   121.0     8.6  17.7
...
2020 07 18    14 18 56.2 -54 23 50   5.3445  5.7884   111.1     9.4  17.7
...
2020 07 26    14 21 33.0 -52 56 35   5.4044  5.7570   105.3     9.8  17.7
...
2020 08 01    14 24 07.8 -51 53 46   5.4547  5.7337   100.9    10.0  17.8
2020 08 02    14 24 36.5 -51 43 33   5.4634  5.7298   100.1    10.0  17.8
2020 08 03    14 25 05.9 -51 33 24   5.4723  5.7260    99.4    10.1  17.8
...
2020 08 09    14 28 18.4 -50 34 08   5.5273  5.7030    94.8    10.2  17.8
...
2020 08 17    14 33 14.0 -49 19 36   5.6046  5.6727    88.7    10.3  17.8
...
2020 09 01    14 44 11.6 -47 14 33   5.7553  5.6171    77.1    10.1  17.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-P10




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