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  • MPEC 2023-J102 : COMET C/2019 M4 (TESS)

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    M.P.E.C. 2023-J102                                 Issued 2023 May 12, 00:17 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets, routine data on comets and natural satellites,
             and occasional editorial announcements.  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/2019 M4 (TESS)                          
    
         S. Deen reports cometary activity of a PCCP candidate (discovered by TESS
    - C57 on June 27, 2019 UT) in archival images taken on  Aug. 19, 2019 UT from
    Cerro Tololo-DECam (W84), noting a condensed 3" coma and a straight 7" tail
    at position angle 225. Additional reports of cometary features are as follows:
    
    OC   Date        Reporter           Coma    Tail    PA          Exposures
    
    W84  2019-08-09  S. Deen            3".5     12"    224 
    W84  2019-09-14  S. Deen            4".5      7"    250-275
    W84  2019-12-09  S. Deen            4"       10"    231
    W84  2019-12-22  S. Deen            6"       18"    228
    
    Observations:
        CK19M040* S2019 06 27.11424501 19 29.254-79 21 12.49         18.9 GVEJ102C57
        CK19M040  s2019 06 27.1142451 -105316.298 +392868.837 - 5918.0260   EJ102C57
        CK19M040  S2019 06 27.13507801 19 30.182-79 21 21.35         19.0 GVEJ102C57
        CK19M040  s2019 06 27.1350781 -106242.589 +392440.782 - 6298.8970   EJ102C57
        CK19M040  S2019 06 27.17674501 19 34.538-79 21 32.83         18.9 GVEJ102C57
        CK19M040  s2019 06 27.1767451 -108089.141 +391562.074 - 7060.1170   EJ102C57
        CK19M040  S2019 06 27.34341101 19 45.528-79 21 59.11         19.5 GVEJ102C57
        CK19M040  s2019 06 27.3434111 -115391.872 +387745.669 -10096.9560   EJ102C57
        CK19M040  S2019 06 27.40591101 19 49.846-79 22 17.47         19.5 GVEJ102C57
        CK19M040  s2019 06 27.4059111 -118094.434 +386189.955 -11231.9130   EJ102C57
        CK19M040  S2019 06 28.13507801 20 41.081-79 24 45.18         18.9 GVEJ102C57
        CK19M040  s2019 06 28.1350781 -147942.803 +362980.996 -24236.9070   EJ102C57
        CK19M040  S2019 06 28.17674401 20 43.925-79 24 50.44         18.9 GVEJ102C57
        CK19M040  s2019 06 28.1767441 -149542.790 +361370.657 -24962.7680   EJ102C57
        CK19M040  S2019 06 28.26007701 20 49.790-79 25 07.79         18.9 GVEJ102C57
        CK19M040  s2019 06 28.2600771 -152704.180 +358056.719 -26407.4170   EJ102C57
        CK19M040  S2019 06 28.30174401 20 52.145-79 25 20.21         18.7 GVEJ102C57
        CK19M040  s2019 06 28.3017441 -154265.129 +356352.988 -27126.0520   EJ102C57
        CK19M040  S2019 06 28.36424401 20 57.437-79 25 28.70         19.0 GVEJ102C57
        CK19M040  s2019 06 28.3642441 -156581.213 +353738.746 -28199.1730   EJ102C57
        CK19M040  S2019 06 28.38507701 20 59.494-79 25 37.63         18.9 GVEJ102C57
        CK19M040  s2019 06 28.3850771 -157346.365 +352851.657 -28555.5510   EJ102C57
        CK19M040  S2019 06 28.40591101 20 59.568-79 25 40.26         19.2 GVEJ102C57
        CK19M040  s2019 06 28.4059111 -158108.028 +351956.715 -28911.2490   EJ102C57
        CK19M040  S2019 06 28.42674401 21 02.582-79 25 42.49         19.0 GVEJ102C57
        CK19M040  s2019 06 28.4267441 -158866.173 +351053.911 -29266.2550   EJ102C57
        CK19M040  S2019 06 28.44757701 21 02.628-79 25 51.06         19.1 GVEJ102C57
        CK19M040  s2019 06 28.4475771 -159620.768 +350143.235 -29620.5590   EJ102C57
        CK19M040  S2019 06 29.15591001 21 52.829-79 28 18.05         18.9 GVEJ102C57
        CK19M040  s2019 06 29.1559101 -182925.439 +314418.329 -41169.4300   EJ102C57
        CK19M040  S2019 06 29.19757701 21 54.629-79 28 24.02         18.9 GVEJ102C57
        CK19M040  s2019 06 29.1975771 -184137.693 +312023.250 -41813.2330   EJ102C57
        CK19M040  S2019 06 29.23924401 21 58.481-79 28 31.04         19.1 GVEJ102C57
        CK19M040  s2019 06 29.2392441 -185330.268 +309594.843 -42452.4020   EJ102C57
        CK19M040  S2019 06 29.28091001 22 01.855-79 28 39.50         19.2 GVEJ102C57
        CK19M040  s2019 06 29.2809101 -186502.803 +307132.984 -43086.8180   EJ102C57
        CK19M040  S2019 06 29.30174401 22 02.734-79 28 47.17         19.0 GVEJ102C57
        CK19M040  s2019 06 29.3017441 -187081.442 +305889.470 -43402.2050   EJ102C57
        CK19M040  S2019 06 30.63507601 23 36.458-79 33 16.99         18.9 GVEJ102C57
        CK19M040  s2019 06 30.6350761 -210853.274 +207989.490 -60161.0710   EJ102C57
        CK19M040  S2019 06 30.65591001 23 36.802-79 33 28.84         18.8 GVEJ102C57
        CK19M040  s2019 06 30.6559101 -210965.175 +206158.451 -60351.6470   EJ102C57
        CK19M040  S2019 06 30.69757601 23 41.021-79 33 35.78         19.0 GVEJ102C57
        CK19M040  s2019 06 30.6975761 -211158.732 +202466.998 -60724.0600   EJ102C57
        CK19M040  S2019 06 30.88507601 23 52.886-79 34 20.93         18.8 GVEJ102C57
        CK19M040  s2019 06 30.8850761 -211505.751 +185365.986 -62247.0540   EJ102C57
        CK19M040  S2019 06 30.90591001 23 54.535-79 34 18.73         18.9 GVEJ102C57
        CK19M040  s2019 06 30.9059101 -211488.709 +183415.960 -62399.9010   EJ102C57
        CK19M040  S2019 06 30.96841001 23 59.532-79 34 32.81         18.9 GVEJ102C57
        CK19M040  s2019 06 30.9684101 -211367.138 +177505.389 -62837.4840   EJ102C57
        CK19M040  S2019 06 30.98924301 24 01.481-79 34 39.94         19.0 GVEJ102C57
        CK19M040  s2019 06 30.9892431 -211302.623 +175514.962 -62976.1800   EJ102C57
        CK19M040  S2019 07 01.01007601 24 01.939-79 34 42.67         19.1 GVEJ102C57
        CK19M040  s2019 07 01.0100761 -211225.851 +173514.379 -63111.2010   EJ102C57
        CK19M040  S2019 07 01.05174301 24 04.678-79 34 48.61         19.0 GVEJ102C57
        CK19M040  s2019 07 01.0517431 -211034.883 +169482.669 -63369.9880   EJ102C57
        CK19M040  S2019 07 01.09341001 24 08.760-79 35 03.30         19.0 GVEJ102C57
        CK19M040  s2019 07 01.0934101 -210792.897 +165410.095 -63613.3700   EJ102C57
        CK19M040  S2019 07 01.17674301 24 14.460-79 35 18.02         18.8 GVEJ102C57
        CK19M040  s2019 07 01.1767431 -210150.256 +157141.753 -64051.9270   EJ102C57
        CK19M040  S2019 07 01.19757601 24 14.633-79 35 20.15         18.8 GVEJ102C57
        CK19M040  s2019 07 01.1975761 -209955.468 +155048.900 -64151.1410   EJ102C57
        CK19M040  S2019 07 01.28091001 24 21.000-79 35 40.92         18.7 GVEJ102C57
        CK19M040  s2019 07 01.2809101 -209033.970 +146573.954 -64504.2080   EJ102C57
        CK19M040  S2019 07 01.34341001 24 26.316-79 35 54.02         19.1 GVEJ102C57
        CK19M040  s2019 07 01.3434101 -208187.581 +140108.676 -64720.9460   EJ102C57
        CK19M040  S2019 07 01.36424301 24 27.403-79 35 56.29         19.1 GVEJ102C57
        CK19M040  s2019 07 01.3642431 -207874.718 +137932.754 -64783.6190   EJ102C57
        CK19M040  S2019 07 01.40590901 24 30.943-79 36 06.19         19.0 GVEJ102C57
        CK19M040  s2019 07 01.4059091 -207201.512 +133549.622 -64894.1080   EJ102C57
        CK19M040  S2019 07 01.42674301 24 32.304-79 36 12.49         18.7 GVEJ102C57
        CK19M040  s2019 07 01.4267431 -206840.692 +131342.403 -64941.7500   EJ102C57
        CK19M040  S2019 07 01.46840901 24 34.222-79 36 23.08         18.7 GVEJ102C57
        CK19M040  s2019 07 01.4684091 -206069.385 +126896.647 -65021.3820   EJ102C57
        CK19M040  S2019 07 01.51007601 24 37.447-79 36 31.07         19.0 GVEJ102C57
        CK19M040  s2019 07 01.5100761 -205230.142 +122409.140 -65079.5200   EJ102C57
        CK19M040  S2019 07 01.63507601 24 45.449-79 36 57.49         18.6 GVEJ102C57
        CK19M040  s2019 07 01.6350761 -202282.893 +108696.645 -65116.9390   EJ102C57
        CK19M040  S2019 07 01.65590901 24 47.410-79 37 02.39         18.7 GVEJ102C57
        CK19M040  s2019 07 01.6559091 -201725.979 +106374.915 -65102.0680   EJ102C57
        CK19M040  S2019 07 01.67674301 24 49.457-79 37 12.07         18.8 GVEJ102C57
        CK19M040  s2019 07 01.6767431 -201149.465 +104042.865 -65080.8600   EJ102C57
        CK19M040  S2019 07 01.78090901 24 57.245-79 37 28.81         19.1 GVEJ102C57
        CK19M040  s2019 07 01.7809091 -197961.154 +92228.9030 -64875.4040   EJ102C57
        CK19M040  S2019 07 01.94757601 25 08.568-79 38 06.04         18.9 GVEJ102C57
        CK19M040  s2019 07 01.9475761 -191710.384 +72805.3930 -64168.4240   EJ102C57
        CK19M040  S2019 07 01.98924301 25 11.383-79 38 13.63         18.7 GVEJ102C57
        CK19M040  s2019 07 01.9892431 -189906.185 +67852.7970 -63911.1970   EJ102C57
        CK19M040  S2019 07 02.01007601 25 11.506-79 38 20.94         18.8 GVEJ102C57
        CK19M040  s2019 07 02.0100761 -188965.365 +65362.5260 -63769.5580   EJ102C57
        CK19M040  S2019 07 02.03090901 25 14.323-79 38 22.85         19.0 GVEJ102C57
        CK19M040  s2019 07 02.0309091 -187998.077 +62863.1020 -63618.9830   EJ102C57
        CK19M040  S2019 07 02.13507601 25 22.250-79 38 47.47         19.4 GVEJ102C57
        CK19M040  s2019 07 02.1350761 -182746.360 +50233.7710 -62725.0070   EJ102C57
        CK19M040  S2019 07 02.17674201 25 25.310-79 38 53.92         19.1 GVEJ102C57
        CK19M040  s2019 07 02.1767421 -180441.521 +45123.5470 -62297.5300   EJ102C57
        CK19M040  S2019 07 02.28090901 25 32.736-79 39 16.63         19.0 GVEJ102C57
        CK19M040  s2019 07 02.2809091 -174126.543 +32217.0090 -61037.3830   EJ102C57
        CK19M040  S2019 07 02.32257601 25 35.462-79 39 25.49         19.0 GVEJ102C57
        CK19M040  s2019 07 02.3225761 -171365.358 +27007.8440 -60451.1440   EJ102C57
        CK19M040  S2019 07 02.34340901 25 35.938-79 39 30.64         19.1 GVEJ102C57
        CK19M040  s2019 07 02.3434091 -169931.500 +24394.6080 -60139.2620   EJ102C57
        CK19M040  S2019 07 02.44757601 25 43.202-79 39 54.36         19.0 GVEJ102C57
        CK19M040  s2019 07 02.4475761 -162198.211 +11258.4300 -58379.4380   EJ102C57
        CK19M040  S2019 07 02.63507601 25 56.227-79 40 37.60         18.7 GVEJ102C57
        CK19M040  s2019 07 02.6350761 -145632.252 -12504.3110 -54254.5190   EJ102C57
        CK19M040  S2019 07 02.73924201 26 03.588-79 40 59.48         19.0 GVEJ102C57
        CK19M040  s2019 07 02.7392421 -134737.585 -25595.1080 -51336.0070   EJ102C57
        CK19M040  S2019 07 02.80174201 26 09.593-79 41 15.97         18.9 GVEJ102C57
        CK19M040  s2019 07 02.8017421 -127544.524 -33333.6380 -49335.7520   EJ102C57
        CK19M040  S2019 07 02.82257601 26 10.322-79 41 19.10         19.1 GVEJ102C57
        CK19M040  s2019 07 02.8225761 -125030.236 -35884.6100 -48624.0890   EJ102C57
        CK19M040  S2019 07 15.19757001 36 36.317-80 27 02.34         18.7 GVEJ102C57
        CK19M040  s2019 07 15.1975701 -208654.018 +203868.320 -57969.7580   EJ102C57
        CK19M040  S2019 07 15.40590401 36 47.350-80 27 49.25         18.9 GVEJ102C57
        CK19M040  s2019 07 15.4059041 -208844.137 +184884.632 -59476.2600   EJ102C57
        CK19M040  S2019 07 15.59340301 36 53.275-80 28 31.22         18.9 GVEJ102C57
        CK19M040  s2019 07 15.5934031 -208023.186 +166928.615 -60543.9110   EJ102C57
        CK19M040  S2019 07 15.63507001 36 55.778-80 28 42.89         18.5 GVEJ102C57
        CK19M040  s2019 07 15.6350701 -207700.743 +162824.215 -60739.9140   EJ102C57
        CK19M040  S2019 07 15.67673701 36 57.430-80 28 50.59         18.6 GVEJ102C57
        CK19M040  s2019 07 15.6767371 -207324.260 +158677.843 -60919.8550   EJ102C57
        CK19M040  S2019 07 15.80173701 37 03.098-80 29 18.82         18.6 GVEJ102C57
        CK19M040  s2019 07 15.8017371 -205854.590 +145984.980 -61357.8520   EJ102C57
        CK19M040  S2019 07 15.84340301 37 06.022-80 29 27.35         18.9 GVEJ102C57
        CK19M040  s2019 07 15.8434031 -205245.603 +141668.866 -61467.9610   EJ102C57
        CK19M040  S2019 07 15.92673701 37 08.491-80 29 47.40         19.0 GVEJ102C57
        CK19M040  s2019 07 15.9267371 -203837.899 +132908.018 -61630.5280   EJ102C57
        CK19M040  S2019 07 15.96840301 37 09.658-80 29 58.02         18.9 GVEJ102C57
        CK19M040  s2019 07 15.9684031 -203035.178 +128463.056 -61681.6020   EJ102C57
        CK19M040  S2019 07 16.01007001 37 11.926-80 29 59.50         18.7 GVEJ102C57
        CK19M040  s2019 07 16.0100701 -202163.711 +123974.957 -61711.5540   EJ102C57
        CK19M040  S2019 07 16.05173701 37 13.702-80 30 18.47         18.9 GVEJ102C57
        CK19M040  s2019 07 16.0517371 -201221.243 +119443.672 -61719.5970   EJ102C57
        CK19M040  S2019 07 16.21840301 37 22.661-80 30 53.14         18.7 GVEJ102C57
        CK19M040  s2019 07 16.2184031 -196692.111 +100886.959 -61515.4310   EJ102C57
        CK19M040  S2019 07 16.32257001 37 26.225-80 31 17.76         18.8 GVEJ102C57
        CK19M040  s2019 07 16.3225701 -193188.695 +88940.6910 -61176.0990   EJ102C57
        CK19M040  S2019 07 16.36423601 37 29.294-80 31 21.72         19.0 GVEJ102C57
        CK19M040  s2019 07 16.3642361 -191629.002 +84088.2280 -60989.9830   EJ102C57
        CK19M040  S2019 07 16.44757001 37 32.515-80 31 41.59         19.2 GVEJ102C57
        CK19M040  s2019 07 16.4475701 -188219.011 +74258.9100 -60524.4860   EJ102C57
        CK19M040  S2019 07 16.51007001 37 36.262-80 31 52.39         19.3 GVEJ102C57
        CK19M040  s2019 07 16.5100701 -185392.097 +66780.5300 -60088.2780   EJ102C57
        CK19M040  S2019 07 16.63507001 37 40.810-80 32 26.63         18.8 GVEJ102C57
        CK19M040  s2019 07 16.6350701 -178982.783 +51563.1410 -58969.0270   EJ102C57
        CK19M040  S2019 07 16.69757001 37 43.277-80 32 36.64         19.1 GVEJ102C57
        CK19M040  s2019 07 16.6975701 -175367.845 +43832.5370 -58273.9750   EJ102C57
        CK19M040  S2019 07 16.71840301 37 45.754-80 32 43.30         19.1 GVEJ102C57
        CK19M040  s2019 07 16.7184031 -174097.660 +41238.9530 -58020.5800   EJ102C57
        CK19M040  S2019 07 16.80173601 37 48.154-80 33 01.73         18.6 GVEJ102C57
        CK19M040  s2019 07 16.8017361 -168671.216 +30788.0870 -56891.0400   EJ102C57
        CK19M040  S2019 07 16.82257001 37 50.450-80 33 10.12         18.6 GVEJ102C57
        CK19M040  s2019 07 16.8225701 -167224.229 +28157.8080 -56578.1650   EJ102C57
        CK19M040  S2019 07 17.05173601 38 00.250-80 33 54.25         18.7 GVEJ102C57
        CK19M040  s2019 07 17.0517361 -148603.629 - 1083.9070 -52208.9240   EJ102C57
        CK19M040  S2019 07 17.23923601 38 09.396-80 34 46.85         18.5 GVEJ102C57
        CK19M040  s2019 07 17.2392361 -128993.687 -24976.8450 -47094.8410   EJ102C57
        CK19M040  S2019 07 17.28090301 38 11.153-80 34 54.05         18.8 GVEJ102C57
        CK19M040  s2019 07 17.2809031 -123998.106 -30193.4680 -45727.5800   EJ102C57
        CK19M040  S2019 07 17.30173601 38 11.138-80 35 00.78         18.8 GVEJ102C57
        CK19M040  s2019 07 17.3017361 -121404.620 -32779.2190 -45008.6930   EJ102C57
        CK19M040 &C2019 07 19.43798301 39 27.53 -80 43 15.2          18.9 zWEJ102W84
        CK19M040 &C2019 08 09.38022001 41 23.89 -81 58 32.3          19.8 gWEJ102W84
        CK19M040 &C2019 08 09.38375501 41 23.78 -81 58 33.0          19.7 gWEJ102W84
        CK19M040 &C2019 09 14.10354700 52 55.14 -83 09 29.8          18.7 zWEJ102W84
        CK19M040 &C2019 12 09.06466823 32 27.07 -76 11 35.0          19.4 iWEJ102W84
        CK19M040 &C2019 12 22.13379623 40 22.93 -74 30 25.8          19.6 gWEJ102W84
        CK19M040 &C2019 12 22.13722023 40 23.07 -74 30 24.2          19.0 rWEJ102W84
    
    Observer details:
    C57 TESS.  Observer R. Vanderspek.  Measurers J. Brown, E. Evans, E. Main, R.
        Rios, J. Ruprecht, J. Vaillancourt, J. Varey, H. Viggh, D. Woods.  0.105-m
        f/1.4 Refractor + CCD.
    W84 Cerro Tololo-DECam.  Observers A. Zenteno, T. Li, K. Tavangar, D. Sand, B.
        Mutlu-Pakdil.  Measurer S. Deen.  4.0-m reflector + CCD.
    
    Orbital elements:
        C/2019 M4 (TESS)                                                            
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                                         
    T 2019 Sept. 12.55589 TT                                Rudenko                 
    q   9.1872063            (2000.0)            P               Q                  
    z  -0.0004600      Peri.  260.37108     +0.22117767     +0.65298105             
     +/-0.0000226      Node    52.64252     +0.00940704     +0.74129152             
    e   1.0042259      Incl.   65.68537     -0.97518816     +0.15525023             
    From 88 observations 2019 June 27-Dec. 22, mean residual 0".3.                  
                                                                                    
    Ephemeris:
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
    2023 04 12    02 43 40.5 -22 55 34  12.4921 11.7126    37.5     3.0  21.2
    ...
    2023 04 27    02 48 41.8 -22 02 53  12.5555 11.7624    36.5     2.9  21.2
    ...
    2023 05 05    02 51 25.5 -21 38 53  12.5708 11.7890    37.7     3.0  21.2
    ...
    2023 05 11    02 53 28.1 -21 22 50  12.5738 11.8091    39.2     3.1  21.2
    2023 05 12    02 53 48.4 -21 20 19  12.5736 11.8124    39.6     3.1  21.2
    2023 05 13    02 54 08.7 -21 17 51  12.5733 11.8157    39.9     3.1  21.2
    ...
    2023 05 19    02 56 09.6 -21 04 03  12.5670 11.8358    42.1     3.3  21.2
    ...
    2023 05 27    02 58 46.8 -20 48 22  12.5480 11.8627    45.7     3.5  21.2
    ...
    2023 06 11    03 03 22.9 -20 27 16  12.4823 11.9132    54.0     4.0  21.2
    
    M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-J102
    


    Read MPEC 2023-J101 Read MPEC 2023-J103


    MPEC number:

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