[Iaude] MPEC S62: COMET C/2019 Q4 (Borisov)

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Sep 23 09:47:48 EDT 2019


M.P.E.C. 2019-S62                            Issued 2019 September 23, 13:39 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 18.51008 09 03 07.18 +27 47 58.5          18.3 GVES062U69
    CK19Q040 |C2019 09 18.51553 09 03 07.80 +27 47 53.1          18.0 GVES062U69
    CK19Q040 |C2019 09 18.52097 09 03 08.51 +27 47 44.6          18.4 GVES062U69
    CK19Q040 |C2019 09 18.52675 09 03 09.08 +27 47 38.8          18.2 GVES062U69
    CK19Q040  C2019 09 19.08998 09 04 12.20 +27 36 03.0          17.5 NqES062585
    CK19Q040  C2019 09 19.09140 09 04 12.34 +27 36 00.7          17.3 NqES062585
    CK19Q040 KC2019 09 20.11350 09 06 06.98 +27 14 42.9          17.5 RqES062I81
    CK19Q040 KC2019 09 20.12147 09 06 07.93 +27 14 33.0          17.5 RqES062C23
    CK19Q040 KC2019 09 20.12796 09 06 08.67 +27 14 25.1          17.2 RqES062I81
    CK19Q040 KC2019 09 20.13039 09 06 08.91 +27 14 22.7          17.5 RqES062C23
    CK19Q040 KC2019 09 20.13921 09 06 09.95 +27 14 12.1          17.2 RqES062C23
    CK19Q040 KC2019 09 20.14638 09 06 10.71 +27 14 02.9          16.6 RqES062I81
    CK19Q040 KC2019 09 20.14799 09 06 10.92 +27 14 01.1          17.4 RqES062C23
    CK19Q040 KC2019 09 20.15366 09 06 11.58 +27 13 55.2          17.4 RQES062213
    CK19Q040 KC2019 09 20.15737 09 06 11.95 +27 13 49.8          16.9 RqES062C23
    CK19Q040 KC2019 09 20.16104 09 06 12.39 +27 13 46.2          17.2 RQES062213
    CK19Q040 KC2019 09 20.16675 09 06 12.99 +27 13 37.4          17.2 RqES062C23
    CK19Q040 KC2019 09 20.16885 09 06 13.26 +27 13 36.2          17.2 RQES062213
    CK19Q040 KC2019 09 20.17701 09 06 14.15 +27 13 24.6          17.0 RqES062I81
    CK19Q040 KC2019 09 20.39425 09 06 38.60 +27 08 50.2          18.1 VqES062850
    CK19Q040 KC2019 09 20.40902 09 06 40.20 +27 08 33.0          18.0 VqES062850
    CK19Q040 KC2019 09 20.42356 09 06 41.79 +27 08 14.6          18.1 VqES062850
    CK19Q040  S2019 09 20.43275509 06 42.79 +27 08 01.7                LES062C53
    CK19Q040  s2019 09 20.4327551 - 1491.0096 + 6686.0825 + 2038.8527   ES062C53
    CK19Q040  S2019 09 20.43715409 06 43.27 +27 07 56.4                LES062C53
    CK19Q040  s2019 09 20.4371541 -  783.7088 + 5494.9982 + 4497.9091   ES062C53
    CK19Q040  S2019 09 20.44155409 06 43.73 +27 07 50.6                LES062C53
    CK19Q040  s2019 09 20.4415541 +   45.5807 + 3448.5830 + 6255.2048   ES062C53
    CK19Q040  S2019 09 20.50058109 06 50.37 +27 06 36.5                LES062C53
    CK19Q040  s2019 09 20.5005811 - 1741.1343 + 6882.9013 +  837.2668   ES062C53
    CK19Q040  S2019 09 20.50278109 06 50.60 +27 06 32.7                LES062C53
    CK19Q040  s2019 09 20.5027811 - 1460.7308 + 6639.3497 + 2205.8143   ES062C53
    CK19Q040  S2019 09 20.50498109 06 50.86 +27 06 30.4                LES062C53
    CK19Q040  s2019 09 20.5049811 - 1122.8728 + 6134.6725 + 3487.3877   ES062C53
    CK19Q040 |C2019 09 20.50750 09 06 51.27 +27 06 27.9          18.2 GVES062U69
    CK19Q040 |C2019 09 20.51238 09 06 51.75 +27 06 21.5          17.9 GVES062U69
    CK19Q040  S2019 09 20.55902809 06 56.80 +27 05 21.5                LES062C53
    CK19Q040  s2019 09 20.5590281 - 1980.4278 + 4067.8040 - 5548.1696   ES062C53
    CK19Q040  S2019 09 20.56122709 06 57.12 +27 05 18.5                LES062C53
    CK19Q040  s2019 09 20.5612271 - 2106.0756 + 5086.0490 - 4573.8672   ES062C53
    CK19Q040  S2019 09 20.57222609 06 58.37 +27 05 03.9                LES062C53
    CK19Q040  s2019 09 20.5722261 - 1511.9302 + 6687.5529 + 2018.1038   ES062C53
    CK19Q040  S2019 09 20.84166709 07 28.48 +26 59 25.1                LES062C53
    CK19Q040  s2019 09 20.8416671 - 2170.8447 + 5633.9220 - 3840.2744   ES062C53
    CK19Q040  S2019 09 20.84606609 07 29.04 +26 59 18.8                LES062C53
    CK19Q040  s2019 09 20.8460661 - 2069.5089 + 6731.3312 - 1245.3049   ES062C53
    CK19Q040  S2019 09 20.85046509 07 29.51 +26 59 12.9                LES062C53
    CK19Q040  s2019 09 20.8504651 - 1646.3125 + 6781.9561 + 1543.9775   ES062C53
    CK19Q040  S2019 09 20.85486409 07 30.04 +26 59 06.4                LES062C53
    CK19Q040  s2019 09 20.8548641 -  966.6824 + 5776.2169 + 4092.1012   ES062C53
    CK19Q040  C2019 09 21.11089 09 07 58.86 +26 53 43.6                VES062246
    CK19Q040  C2019 09 21.11108 09 07 58.94 +26 53 40.2                VES062246
    CK19Q040  C2019 09 21.11122 09 07 58.92 +26 53 41.3                VES062246
    CK19Q040  C2019 09 21.11191 09 07 59.02 +26 53 39.9                VES062246
    CK19Q040 KC2019 09 21.12922 09 08 00.91 +26 53 18.4          18.1 RqES062B67
    CK19Q040 KC2019 09 21.14004 09 08 02.08 +26 53 05.4          17.3 RqES062L19
    CK19Q040 KC2019 09 21.14038 09 08 02.15 +26 53 04.0          17.6 RqES062215
    CK19Q040 KC2019 09 21.14116 09 08 02.27 +26 53 03.2          18.2 RqES062B67
    CK19Q040 KC2019 09 21.14295 09 08 02.44 +26 53 00.8          17.5 RqES062215
    CK19Q040 KC2019 09 21.14302309 08 02.39 +26 53 01.2          17.5 GVES062J95
    CK19Q040 KC2019 09 21.14355 09 08 02.49 +26 53 00.6          17.5 GVES062104
    CK19Q040 KC2019 09 21.14529 09 08 02.69 +26 52 58.5          17.5 NqES062C10
    CK19Q040 KC2019 09 21.14552 09 08 02.73 +26 52 57.7          17.6 RqES062215
    CK19Q040 KC2019 09 21.15309 09 08 03.58 +26 52 47.2          18.1 RqES062B67
    CK19Q040 KC2019 09 21.15593 09 08 03.86 +26 52 45.2          17.6 RqES062L19
    CK19Q040 KC2019 09 21.15646 09 08 03.91 +26 52 43.7          18.0 NqES062A77
    CK19Q040 KC2019 09 21.16078309 08 04.39 +26 52 38.6          17.6 GVES062J95
    CK19Q040 KC2019 09 21.16314 09 08 04.67 +26 52 35.4          17.4 GVES062104
    CK19Q040 KC2019 09 21.16487 09 08 04.88 +26 52 33.8          17.6 NqES062C10
    CK19Q040 KC2019 09 21.16512709 08 04.91 +26 52 33.4          17.5 GVES062C95
    CK19Q040 KC2019 09 21.16982609 08 05.39 +26 52 27.4          17.0 GVES062C95
    CK19Q040 KC2019 09 21.17092 09 08 05.78 +26 52 24.0          17.2 RqES062I81
    CK19Q040 KC2019 09 21.17205 09 08 05.58 +26 52 24.2          17.9 NqES062A77
    CK19Q040 KC2019 09 21.17453709 08 05.95 +26 52 20.9          17.7 GVES062C95
    CK19Q040 KC2019 09 21.17858 09 08 06.39 +26 52 16.1          17.3 RqES062I81
    CK19Q040 KC2019 09 21.17927109 08 06.45 +26 52 14.6          17.3 GVES062C95
    CK19Q040 KC2019 09 21.18146 09 08 06.79 +26 52 11.7          17.6 RqES062I81
    CK19Q040 KC2019 09 21.18381 09 08 07.03 +26 52 09.9          17.7 NqES062C10
    CK19Q040 KC2019 09 21.18401209 08 07.00 +26 52 08.7          17.9 GVES062C95
    CK19Q040  S2019 09 21.19444509 08 08.17 +26 51 56.2                LES062C53
    CK19Q040  s2019 09 21.1944451 - 2131.4002 + 6663.6920 - 1484.3332   ES062C53
    CK19Q040  S2019 09 21.19884409 08 08.71 +26 51 50.6                LES062C53
    CK19Q040  s2019 09 21.1988441 - 1735.2560 + 6810.4289 + 1304.9563   ES062C53
    CK19Q040  S2019 09 21.20324309 08 09.17 +26 51 44.3                LES062C53
    CK19Q040  s2019 09 21.2032431 - 1068.8288 + 5896.5837 + 3890.7962   ES062C53
    CK19Q040 9C2019 09 21.22359 09 08 11.47 +26 51 18.5          18.0 GVES062G40
    CK19Q040 9C2019 09 21.23563 09 08 12.90 +26 51 03.3          18.0 GVES062G40
    CK19Q040 9C2019 09 21.24664 09 08 14.05 +26 50 50.1          18.1 GVES062G40
    CK19Q040 KC2019 09 21.39510 09 08 30.68 +26 47 41.0          17.5 RqES062850
    CK19Q040 KC2019 09 21.39629 09 08 30.82 +26 47 38.3          18.4 VqES062850
    CK19Q040 KC2019 09 21.41089 09 08 32.43 +26 47 19.2          17.9 VqES062850
    CK19Q040 KC2019 09 21.42550 09 08 34.12 +26 47 00.6          17.6 VqES062850
    CK19Q040 KC2019 09 21.43245 09 08 34.84 +26 46 53.0          17.2 RqES062850
    CK19Q040  S2019 09 21.47685409 08 39.83 +26 45 55.3                LES062C53
    CK19Q040  s2019 09 21.4768541 - 1884.3613 + 6863.0148 +  676.5166   ES062C53
    CK19Q040  S2019 09 21.48125309 08 40.30 +26 45 48.9                LES062C53
    CK19Q040  s2019 09 21.4812531 - 1268.0169 + 6185.2849 + 3345.9323   ES062C53
    CK19Q040 KC2019 09 22.07703 09 09 47.11 +26 33 02.8          17.7 NtES062L04
    CK19Q040 KC2019 09 22.07939 09 09 47.37 +26 33 00.0          17.6 NtES062L04
    CK19Q040 KC2019 09 22.09913 09 09 49.56 +26 32 34.4          17.8 NtES062L04
    CK19Q040 KC2019 09 22.11698 09 09 51.54 +26 32 12.5          17.9 NoES062461
    CK19Q040 KC2019 09 22.11834 09 09 51.73 +26 32 09.7          17.9 VtES062A71
    CK19Q040 KC2019 09 22.11951 09 09 51.83 +26 32 08.2          17.3 NoES062461
    CK19Q040 KC2019 09 22.12214 09 09 52.18 +26 32 04.9          18.0 NoES062461
    CK19Q040 KC2019 09 22.12468 09 09 52.43 +26 32 02.1          17.3 NoES062461
    CK19Q040 KC2019 09 22.12721 09 09 52.72 +26 31 58.8          18.0 NoES062461
    CK19Q040 KC2019 09 22.12792 09 09 52.78 +26 31 57.9          17.7 VtES062A71
    CK19Q040 KC2019 09 22.13750 09 09 53.86 +26 31 44.9          18.0 VtES062A71
    CK19Q040 KC2019 09 22.14069 09 09 54.19 +26 31 41.0          16.8 RqES062I81
    CK19Q040 KC2019 09 22.14388 09 09 54.51 +26 31 37.0          17.6 VtES062A71
    CK19Q040 KC2019 09 22.15133 09 09 55.38 +26 31 27.3          18.2 VtES062A71
    CK19Q040 KC2019 09 22.15523 09 09 55.83 +26 31 22.1          16.9 RqES062I81
    CK19Q040 KC2019 09 22.16978 09 09 57.47 +26 31 03.3          17.2 RqES062I81
    CK19Q040 KC2019 09 22.39556 09 10 22.80 +26 26 12.2          17.5 VqES062850
    CK19Q040 KC2019 09 22.41013 09 10 24.43 +26 25 53.3          17.9 VqES062850
    CK19Q040 KC2019 09 22.42469 09 10 26.04 +26 25 34.5          18.3 VqES062850
    CK19Q040 KC2019 09 23.17128 09 11 49.61 +26 09 21.5          16.8 GVES062Z84
    CK19Q040 KC2019 09 23.17599 09 11 50.15 +26 09 15.3          17.3 GVES062Z84
    CK19Q040 KC2019 09 23.18070 09 11 50.69 +26 09 09.2          17.4 GVES062Z84

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers P. 
   Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
213 Observatorio Montcabre.  Observer R. Naves.  Measurer M. Campas.  0.30-m 
   f/10 Schmidt-Cassegrain.
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy. 
    1.06-m f/2.7 reflector + 2048x2048 CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observer K. Sarneczky. 
    0.60-m Schmidt + CCD.
585 Kyiv comet station.  Observers A. Baransky, S. Borysenko.  0.7-m f/4 
   reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observer D. T. Durig.  0.3-m f/5.0 
   Schmidt-Cassegrain + CCD, 0.3-m f/7.6 Schmidt-Cassegrain + 1536x1024 
   CCD.
A71 Stixendorf.  Observers M. Jaeger, E. Prosperi, S. Prosperi.  Measurer M. 
   Jaeger.  0.3-m f/4 reflector + CCD.
A77 Observatoire Chante-Perdrix, Dauban.  Observer J. Nicolas.  0.41-m f/3.3 
   reflector + CCD.
B67 Sternwarte Mirasteilas, Falera.  Observer J. De Queiroz.
C10 Maisoncelles.  Observer J.-F. Soulier.  0.30-m f/3.8 Newtonian reflector + 
   CCD.
C23 Olmen.  Observer A. Diepvens.
C53 NEOSSat.  Observer S. Thorsteinson.  Measurer D. D. Balam.  0.15-m 
   reflector + CCD.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m f/3.2 
   Newtonian reflector + CCD.
G40 Slooh.com Canary Islands Observatory.  Observer C. J. R. McEwing.  Measurer 
   B. Lutkenhoner.  0.43-m f/6.8 Corrected Dall-Kirkham + CCD.
I81 Tarbatness Observatory, Portmahomack.  Observer D. Buczynski.  0.35-m 
   Schmidt-Cassegrain + CCD + f/6 focal reducer.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain 
   + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5 
   reflector + CCD.
L19 Osservatorio Felsina AAB, Montepastore.  Observer A. Valvasori.
U69 iTelescope SRO Observatory, Auberry.  Observer F. D. Romanov.  0.61-m f/6.5 
   reflector + CCD.
Z84 Calar Alto-Schmidt.  Observer E. Schwab.  Measurers E. Schwab, D. Koschny, 
   M. Micheli.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
    C/2019 Q4 (Borisov)                                                         
Epoch 2019 Dec. 23.0 TT = JDT 2458840.5                                         
T 2019 Dec. 8.40299 TT                                  Williams                
q   2.0127091            (2000.0)            P               Q                  
z  -1.1841563      Peri.  208.98545     -0.81493002     -0.19480166             
 +/-0.0057168      Node   308.20345     +0.56675412     -0.46474861             
e   3.3833623      Incl.   43.99634     -0.12115622     -0.86374825             
>From 457 observations 2019 Aug. 30-Sept. 23, mean residual 0".5.                
                                                                                
    C/2019 Q4 (Borisov)                                                         
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                                         
T 2019 Dec. 8.40006 TT                                  Williams                
q   2.0126273            (2000.0)            P               Q                  
z  -1.1843105      Peri.  208.98541     -0.81496106     -0.19479186             
 +/-0.0057168      Node   308.20581     +0.56670903     -0.46478201             
e   3.3835756      Incl.   43.99379     -0.12115833     -0.86373249             
>From 457 observations 2019 Aug. 30-Sept. 23, mean residual 0".5.                
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2019 08 24    08 15 17.8 +35 11 59   3.8605  3.0894    35.2    10.9  18.8
...
2019 09 08    08 43 25.9 +31 09 14   3.5273  2.8508    41.4    13.5  18.3
...
2019 09 16    08 58 25.2 +28 38 40   3.3504  2.7302    44.8    15.0  18.0
...
2019 09 22    09 09 38.2 +26 34 45   3.2193  2.6435    47.3    16.2  17.8
2019 09 23    09 11 30.2 +26 13 08   3.1976  2.6294    47.7    16.4  17.7
2019 09 24    09 13 22.1 +25 51 13   3.1760  2.6153    48.1    16.6  17.7
...
2019 09 30    09 24 32.2 +23 33 30   3.0477  2.5335    50.6    17.8  17.5
...
2019 10 08    09 39 20.5 +20 12 15   2.8814  2.4308    53.9    19.4  17.2
...
2019 10 23    10 06 47.5 +12 54 50   2.5910  2.2619    59.9    22.4  16.6

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-S62




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