[Iaude] MPEC R113: COMET C/2019 Q4 (Borisov)

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Sep 13 11:03:15 EDT 2019


M.P.E.C. 2019-R113                           Issued 2019 September 13, 15:00 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/2019 Q4 (Borisov)                            


Observations:
    CK19Q040 @C2019 09 10.50637 08 48 08.23 +30 23 44.9          17.9 RVER113675
    CK19Q040 @C2019 09 10.50756 08 48 08.31 +30 23 42.7          17.9 RVER113675
    CK19Q040 @C2019 09 10.50873 08 48 08.47 +30 23 42.6          18.1 RVER113675
    CK19Q040 @C2019 09 10.50992 08 48 08.62 +30 23 41.2          18.1 RVER113675
    CK19Q040 @C2019 09 10.51110 08 48 08.71 +30 23 38.5          17.9 RVER113675
    CK19Q040 @C2019 09 11.47850 08 49 57.33 +30 05 42.3          17.7 RVER113675
    CK19Q040 @C2019 09 11.48106 08 49 57.61 +30 05 39.4          17.6 RVER113675
    CK19Q040 @C2019 09 11.48362 08 49 57.87 +30 05 36.8          17.6 RVER113675
    CK19Q040 @C2019 09 11.48618 08 49 58.16 +30 05 34.0          17.7 RVER113675
    CK19Q040 %C2019 09 11.63664808 50 15.164+30 02 44.42         19.4 GVER113F65
    CK19Q040 %C2019 09 11.63786908 50 15.371+30 02 42.78         19.5 GVER113F65
    CK19Q040 %C2019 09 11.64010708 50 15.597+30 02 40.48         19.1 GVER113F65
    CK19Q040 %C2019 09 11.64098308 50 15.650+30 02 39.76         19.3 GVER113F65
    CK19Q040 %C2019 09 11.64185708 50 15.728+30 02 38.26         18.7 GVER113F65
    CK19Q040  C2019 09 11.78848 08 50 32.26 +29 59 53.5                mER113349
    CK19Q040  C2019 09 11.80163 08 50 33.77 +29 59 39.1          17.3 TmER113349
    CK19Q040 KC2019 09 12.08695408 51 05.77 +29 54 16.2          18.5 GVER113L01
    CK19Q040 KC2019 09 12.09357308 51 06.54 +29 54 09.0          18.2 GVER113L01
    CK19Q040 KC2019 09 12.09751508 51 06.99 +29 54 04.2          18.5 GVER113L01
    CK19Q040 KC2019 09 12.09841 08 51 07.01 +29 54 03.3          18.4 VtER113A71
    CK19Q040 KC2019 09 12.09883608 51 07.12 +29 54 02.1          18.9 GVER113L01
    CK19Q040 KC2019 09 12.11314 08 51 08.71 +29 53 47.2          18.1 VtER113A71
    CK19Q040  C2019 09 12.12342 08 51 10.03 +29 53 33.1          18.5 RrER113106
    CK19Q040 KC2019 09 12.12469508 51 09.98 +29 53 33.6          18.5 GVER113C95
    CK19Q040 KC2019 09 12.12942 08 51 10.46 +29 53 27.0          18.3 VtER113A71
    CK19Q040  C2019 09 12.13102 08 51 10.68 +29 53 25.9          18.3 RrER113106
    CK19Q040 KC2019 09 12.13177008 51 10.84 +29 53 25.1          18.3 GVER113C95
    CK19Q040 KC2019 09 12.13305 08 51 10.96 +29 53 24.0          17.8 GvER113L06
    CK19Q040 KC2019 09 12.13654 08 51 11.22 +29 53 20.0          18.8 VtER113A71
    CK19Q040 KC2019 09 12.13828 08 51 11.54 +29 53 18.3          18.0 GvER113L06
    CK19Q040 KC2019 09 12.13944 08 51 11.69 +29 53 17.1          17.9 GvER113L06
    CK19Q040 KC2019 09 12.14317408 51 12.05 +29 53 12.6          18.7 GVER113L01
    CK19Q040 IC2019 09 12.14449508 51 12.17 +29 53 11.1          18.8 GVER113L01
    CK19Q040 KC2019 09 12.15771308 51 13.67 +29 52 56.7          17.8 GVER113C95
    CK19Q040 KC2019 09 12.16414 08 51 14.54 +29 52 48.3          18.0 VqER113A77
    CK19Q040 KC2019 09 12.16597408 51 14.63 +29 52 46.9          18.2 GVER113C95
    CK19Q040 KC2019 09 12.16670 08 51 14.81 +29 52 45.6          18.0 VqER113A77
    CK19Q040 KC2019 09 12.16774 08 51 14.95 +29 52 44.5          18.1 VqER113A77
    CK19Q040 3C2019 09 12.16887008 51 14.999+29 52 43.52         19.0 GVER113C65
    CK19Q040 KC2019 09 12.17077 08 51 15.23 +29 52 40.9          17.6 VqER113A77
    CK19Q040 3C2019 09 12.17333408 51 15.504+29 52 38.52         19.0 GVER113C65
    CK19Q040 3C2019 09 12.17931408 51 16.170+29 52 31.87         19.1 GVER113C65
    CK19Q040  C2019 09 12.20676 08 51 19.35 +29 51 57.3          17.4 R ER113954
    CK19Q040  C2019 09 12.21130 08 51 19.94 +29 51 52.1          17.6 R ER113954
    CK19Q040  C2019 09 12.21524 08 51 20.26 +29 51 48.3          17.2 R ER113954
    CK19Q040  C2019 09 12.22082 08 51 20.75 +29 51 44.2          17.7 R ER113954
    CK19Q040  C2019 09 12.22640 08 51 21.16 +29 51 40.4          17.6 R ER113954
    CK19Q040 KC2019 09 12.41922 08 51 43.17 +29 48 01.1          17.7 VqER113850
    CK19Q040 KC2019 09 12.42650 08 51 44.09 +29 47 52.6          18.6 VqER113850
    CK19Q040 KC2019 09 12.43378 08 51 44.77 +29 47 44.6          17.3 VqER113850
    CK19Q040 KC2019 09 12.45176 08 51 46.74 +29 47 22.9          18.0 NUER113H36
    CK19Q040 KC2019 09 12.45792 08 51 47.45 +29 47 15.6          17.5 NUER113H36
    CK19Q040 %C2019 09 12.47247 08 51 49.12 +29 46 59.9          17.1 GVER113H06
    CK19Q040 %C2019 09 12.48122 08 51 50.15 +29 46 50.5          17.5 GVER113H06
    CK19Q040 KC2019 09 13.11271 08 53 01.06 +29 34 49.2          17.9 GVER113587
    CK19Q040 KC2019 09 13.11708 08 53 01.56 +29 34 44.4                VER113204
    CK19Q040 KC2019 09 13.11770 08 53 01.64 +29 34 43.5          18.1 GVER113587
    CK19Q040 KC2019 09 13.11869 08 53 01.75 +29 34 42.3          17.7 GVER113587
    CK19Q040 KC2019 09 13.12268 08 53 02.22 +29 34 37.6          17.9 GVER113587
    CK19Q040 KC2019 09 13.12447 08 53 02.42 +29 34 35.2                VER113204
    CK19Q040 KC2019 09 13.15038 08 53 05.33 +29 34 05.7          18.9 GVER113204
    CK19Q040 KC2019 09 13.15842 08 53 06.22 +29 33 56.9          18.1 VqER113A77
    CK19Q040 KC2019 09 13.16335 08 53 06.80 +29 33 51.2          18.0 VqER113A77
    CK19Q040 KC2019 09 13.16828 08 53 07.38 +29 33 45.4          18.1 VqER113A77
    CK19Q040 KC2019 09 13.39607 08 53 32.94 +29 29 25.5          17.5 VqER113850
    CK19Q040 KC2019 09 13.41064 08 53 34.59 +29 29 07.6          18.2 VqER113850
    CK19Q040 KC2019 09 13.42520 08 53 36.24 +29 28 51.2          17.4 VqER113850

Observer details:
106 Crni Vrh.  Observer H. Mikuz.  0.6-m f/3.3 Deltagraph + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector + 
   CCD.
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
587 Sormano.  Observers A. Carcano, E. Colzani, G. Ventre.  Measurers P. Sicoli,
    G. Ventre.  0.5-m f/6.8 reflector + CCD.
675 Palomar Mountain.  Observer R. S. Walters.  Measurer B. T. Bolin.
850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.3-m f/5.0 
   Schmidt-Cassegrain + CCD.
954 Teide Observatory.  Observer M. Serra-Ricart.  Measurer S. Lemes-Perera.
A71 Stixendorf.  Observers M. Jaeger, E. Prosperi, S. Prosperi.  Measurer M. 
   Jaeger.  0.3-m f/4 reflector + CCD.
A77 Observatoire Chante-Perdrix, Dauban.  Observers C. Rinner, F. Kugel.  
    Measurer F. Kugel.  0.4-m f/2.8 reflector + CCD.
C65 Observatori Astronomic del Montsec.  Observer T. Santana-Ros.  Measurer M. 
   Micheli.  0.80-m f/9.6 Ritchey-Chretien + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m f/3.2 
   Newtonian reflector + CCD.
F65 Haleakala-Faulkes Telescope North.  Observers T. Lister, D. Bodewits.  
    Measurer T. Lister.  2.0-m f/10.0 Ritchey-Chretien + CCD.
H06 iTelescope Observatory, Mayhill.  Observer E. Guido.  0.25-m f/3.4 
   reflector + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector + 
   CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea.  Observer G. Ventre.  Measurer 
   P. Sicoli.  0.28-m Schmidt-Cassegrain + CCD.

Orbital elements:
    C/2019 Q4 (Borisov)                                                         
Epoch 2019 Dec. 23.0 TT = JDT 2458840.5                                         
T 2019 Dec.  9.42985 TT                                 Williams                
q   1.9716308            (2000.0)            P               Q                  
z  -1.1197173      Peri.  209.93599     -0.81319633     -0.18315790             
 +/-0.0404062      Node   307.82856     +0.56612326     -0.46906720             
e   3.2076692      Incl.   44.37854     -0.13496730     -0.86396131             
>From 205 observations 2019 Aug. 30-Sept. 13, mean residual 0".6.                
                                                                                
    C/2019 Q4 (Borisov)                                                         
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                                         
T 2019 Dec.  9.42683 TT                                 Williams                
q   1.9715486            (2000.0)            P               Q                  
z  -1.1198672      Peri.  209.93597     -0.81322788     -0.18314787             
 +/-0.0404062      Node   307.83092     +0.56607745     -0.46910038             
e   3.2078726      Incl.   44.37596     -0.13496939     -0.86394542             
>From 205 observations 2019 Aug. 30-Sept. 13, mean residual 0".6.                
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2019 08 14    07 56 36.5 +37 29 12   4.0367  3.2133    31.2     9.4  19.1
...
2019 08 29    08 24 40.1 +33 56 21   3.7095  2.9689    37.2    11.9  18.6
...
2019 09 06    08 39 40.8 +31 44 27   3.5329  2.8439    40.6    13.3  18.3
...
2019 09 12    08 50 55.8 +29 55 57   3.4007  2.7530    43.1    14.5  18.1
2019 09 13    08 52 48.2 +29 37 00   3.3787  2.7381    43.5    14.7  18.0
2019 09 14    08 54 40.6 +29 17 49   3.3567  2.7233    43.9    14.9  18.0
...
2019 09 20    09 05 54.1 +27 17 07   3.2257  2.6363    46.5    16.0  17.8
...
2019 09 28    09 20 49.4 +24 20 29   3.0537  2.5255    49.8    17.6  17.4
...
2019 10 13    09 48 33.9 +17 54 40   2.7450  2.3369    55.9    20.7  16.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-R113




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