[Iaude] MPEC X103: COMET P/2019 X1 (Pruyne)

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 10 12:36:46 EST 2019


M.P.E.C. 2019-X103                            Issued 2019 December 10, 17:32 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 P/2019 X1 (Pruyne)                            

     This object was observed by T. A. Pruyne in 4 x 30 second codded exposures
on Dec. 2 UT taken with the Mt. Lemmon Survey 1.5-m reflector + 10K CCD, and
reported as cometary, exhibiting a 15" coma and ~16" tail at PA ~260 degs.  The
following night D. Rankin observing with the 1.0-m reflector + CCD at Steward
Observatory on Mt. Lemmon noted the object had a diffuse 12" coma.  Additional
reports are summarized as follows:

OC   Date     Reporter           Coma    Tail                 Exposures

F51  Dec.  3  R. Weryk             1".38 12" in PA 265        2 x 45s
K88  Dec.  4  K. Sarneczky         4"    10" in PA 270        15 x 120s
K51  Dec.  5  R. Furgoni          11"           PA 270        12 x 120s
T12  Dec.  6  D. J. Tholan        10"           PA 270
Q11  Dec.  7  H. Sato              5"    10"    PA 270        50 x 60s

Observations:
    PK19X010  C2019 11 29.63986607 08 27.983+32 40 10.43         19.54GVEX103F51
    PK19X010* C2019 12 02.36583 07 07 29.09 +32 48 29.2          19.4 GVEX103G96
    PK19X010  C2019 12 02.37102 07 07 28.98 +32 48 30.1          19.6 GVEX103G96
    PK19X010  C2019 12 02.37620 07 07 28.84 +32 48 31.0          19.3 GVEX103G96
    PK19X010  C2019 12 02.38138 07 07 28.71 +32 48 32.0          19.5 GVEX103G96
    PK19X010  C2019 12 03.29761 07 07 07.35 +32 51 17.9          19.6 GVEX103I52
    PK19X010  C2019 12 03.30477 07 07 07.18 +32 51 19.8          19.9 GVEX103I52
    PK19X010  C2019 12 03.31285 07 07 06.99 +32 51 21.1          19.7 GVEX103I52
    PK19X010  C2019 12 03.31756 07 07 06.86 +32 51 22.1          19.4 GVEX103I52
    PK19X010  C2019 12 03.49044807 07 02.744+32 51 53.92         20.04GVEX103F51
    PK19X010  C2019 12 03.50255207 07 02.437+32 51 56.16         20.02GVEX103F51
    PK19X010 KC2019 12 03.95789307 06 51.44 +32 53 17.4          19.7 GVEX103L01
    PK19X010 KC2019 12 03.96026207 06 51.36 +32 53 17.1          19.6 GVEX103L01
    PK19X010 KC2019 12 03.96260907 06 51.29 +32 53 17.9          19.7 GVEX103L01
    PK19X010 KC2019 12 03.96573907 06 51.20 +32 53 18.6          19.8 GVEX103L01
    PK19X010 KC2019 12 03.98017807 06 50.88 +32 53 21.4          19.8 GVEX103L01
    PK19X010 KC2019 12 03.98254207 06 50.79 +32 53 22.1          19.7 GVEX103L01
    PK19X010 KC2019 12 04.01491 07 06 49.97 +32 53 27.8          19.5 RoEX103K88
    PK19X010 KC2019 12 04.02300 07 06 49.77 +32 53 29.4          19.4 RoEX103K88
    PK19X010 KC2019 12 04.03109 07 06 49.56 +32 53 30.9          19.3 RoEX103K88
    PK19X010 KC2019 12 04.05509 07 06 48.90 +32 53 34.7          19.0 RVEX103K61
    PK19X010 KC2019 12 04.05844 07 06 48.91 +32 53 35.0          18.1 RVEX103K61
    PK19X010 KC2019 12 04.05966 07 06 48.82 +32 53 34.9          18.1 RVEX103K61
    PK19X010 KC2019 12 04.07916 07 06 48.33 +32 53 39.0          19.6 RqEX103C10
    PK19X010 KC2019 12 04.11494 07 06 47.46 +32 53 45.9          19.4 RqEX103C10
    PK19X010 KC2019 12 04.13546 07 06 46.90 +32 53 49.1          19.4 RqEX103C10
    PK19X010 KC2019 12 04.83279 07 06 29.77 +32 55 54.3                VEX103587
    PK19X010 KC2019 12 04.83984 07 06 29.60 +32 55 55.6                VEX103587
    PK19X010 KC2019 12 04.84549 07 06 29.43 +32 55 56.6          19.7 GVEX103587
    PK19X010 KC2019 12 04.89295 07 06 28.21 +32 56 05.1          19.3 GVEX103595
    PK19X010 KC2019 12 04.90490 07 06 27.88 +32 56 07.5          19.8 GVEX103595
    PK19X010 KC2019 12 04.91727 07 06 27.60 +32 56 08.9          20.0 GVEX103595
    PK19X010  C2019 12 04.96006 07 06 26.40 +32 56 17.5          19.8 GVEX103246
    PK19X010  C2019 12 04.96112 07 06 26.34 +32 56 17.6                VEX103246
    PK19X010  C2019 12 04.96133 07 06 26.30 +32 56 18.3                VEX103246
    PK19X010 KC2019 12 05.01144 07 06 25.17 +32 56 27.0                oEX103K88
    PK19X010 KC2019 12 05.01954 07 06 24.93 +32 56 28.4          19.5 RoEX103K88
    PK19X010 KC2019 12 05.09224 07 06 22.97 +32 56 40.8          19.4 GVEX103K87
    PK19X010 KC2019 12 05.09269 07 06 22.98 +32 56 40.9          20.2 GVEX103K87
    PK19X010 KC2019 12 05.09313 07 06 22.95 +32 56 41.0          19.4 GVEX103K87
    PK19X010 KC2019 12 05.09358 07 06 22.97 +32 56 41.2          20.0 GVEX103K87
    PK19X010 KC2019 12 05.09402 07 06 22.94 +32 56 41.7          18.7 GVEX103K87
    PK19X010 KC2019 12 05.09447 07 06 22.96 +32 56 41.9          20.0 GVEX103K87
    PK19X010 KC2019 12 05.09491 07 06 22.90 +32 56 41.6          18.8 GVEX103K87
    PK19X010 KC2019 12 05.11684 07 06 22.42 +32 56 45.5          19.5 GVEX103K63
    PK19X010 KC2019 12 05.13608 07 06 21.90 +32 56 49.2          19.1 GVEX103K63
    PK19X010 KC2019 12 05.15689 07 06 21.33 +32 56 53.4          19.9 GVEX103K63
    PK19X010 KC2019 12 05.30016 07 06 17.75 +32 57 17.1          19.2 VqEX103850
    PK19X010 KC2019 12 05.31832 07 06 17.23 +32 57 22.2          20.0 VqEX103850
    PK19X010 KC2019 12 05.33649 07 06 16.83 +32 57 24.6          19.4 VqEX103850
    PK19X010 KC2019 12 05.35464 07 06 16.34 +32 57 28.9          19.0 VqEX103850
    PK19X010  C2019 12 05.51405407 06 12.276+32 57 58.18         20.00GVEX103T12
    PK19X010  C2019 12 05.51639207 06 12.213+32 57 58.62         20.00GVEX103T12
    PK19X010  C2019 12 05.51872407 06 12.151+32 57 59.03         19.98GVEX103T12
    PK19X010 KC2019 12 05.86565 07 06 03.26 +32 58 59.1          19.0 RVEX103K51
    PK19X010 KC2019 12 05.87136 07 06 03.11 +32 59 00.3          19.0 RVEX103K51
    PK19X010 KC2019 12 05.87707 07 06 02.94 +32 59 01.5          19.0 RVEX103K51
    PK19X010 KC2019 12 05.95924 07 06 00.74 +32 59 17.0          19.4 GVEX103204
    PK19X010  C2019 12 05.97351 07 06 00.31 +32 59 18.9                VEX103246
    PK19X010  C2019 12 05.97720 07 06 00.26 +32 59 20.4                VEX103246
    PK19X010  C2019 12 05.97811 07 06 00.18 +32 59 20.3                VEX103246
    PK19X010 KC2019 12 05.99076 07 05 59.92 +32 59 22.0                VEX103204
    PK19X010 KC2019 12 06.09424 07 05 57.10 +32 59 40.6          19.6 GVEX103204
    PK19X010 KC2019 12 06.10550 07 05 56.77 +32 59 42.4                VEX103204
    PK19X010 KC2019 12 06.95128 07 05 34.42 +33 02 12.4          19.6 GVEX103B49
    PK19X010 KC2019 12 06.96587 07 05 33.97 +33 02 16.1          19.6 GVEX103B49
    PK19X010  C2019 12 07.44918 07 05 20.57 +33 03 41.5          17.8 GVEX103I52
    PK19X010  C2019 12 07.46873 07 05 20.07 +33 03 44.1          19.5 GVEX103I52
    PK19X010  C2019 12 07.47748 07 05 19.81 +33 03 45.7          19.6 GVEX103I52
    PK19X010 KC2019 12 07.62678 07 05 15.90 +33 04 12.3          18.7 RqEX103Q11
    PK19X010 KC2019 12 07.64845 07 05 15.27 +33 04 16.2                qEX103Q11
    PK19X010 KC2019 12 07.67053 07 05 14.65 +33 04 20.2                qEX103Q11
    PK19X010 BC2019 12 10.06907907 04 05.82 +33 11 15.3                VEX103J95
    PK19X010 BC2019 12 10.08245207 04 05.44 +33 11 18.3          19.6 GVEX103J95

Observer details:
204 Schiaparelli Observatory.  Observers A. Aletti, L. Buzzi.  0.36-m f/6.0 
   reflector + CCD, 0.84-m f/3.5 reflector + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy. 
    1.06-m f/2.7 reflector + 2048$\\times$2048 CCD.
587 Sormano.  Observers A. Testa, E. Valli, G. Ventre.  Measurer A. Testa.  
    0.5-m f/6.8 reflector + CCD.
595 Farra d\'Isonzo.  Observers F. Bressan, E. Pettarin.  Measurer E. Pettarin. 
    0.61-m f/4.5 reflector + CCD.
850 Cordell-Lorenz Observatory, Sewanee.  Observers D. T. Durig, C. O. Lang.  
    0.3-m f/5.0 Schmidt-Cassegrain + CCD.
B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 reflector + 
   CCD.
C10 Maisoncelles.  Observer J.-F. Soulier.  0.30-m f/3.8 Newtonian reflector + 
   CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A. 
   Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. 
   Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  Measurers E. J. Christensen, G. 
   A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. 
   Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman,
    F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. Rankin, K. W. 
   Wierzchos.  Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. 
   Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. 
   Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. 
   Wierzchos.  1.0-m reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain 
   + CCD.
K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R. Furgoni. 
    Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
K61 Rokycany Observatory.  Observer M. Adamovsky.  0.51-m f/6.8 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.4-m 
   f/3.2 Newtonian reflector + CCD.
K87 Dettelbach Vineyard Observatory.  Observer B. Haeusler.  0.30-m 
   Schmidt-Cassegrain + CCD, 0.3-m f/5.7 Schmidt-Cassegrain + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer B. Cseh.  Measurer K. S\'arneczky.  
    0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican.  Observers K. Korlevic, F. Valentine.  Measurer 
   K. Korlevic.  1.0-m f/2.9 reflector + CCD.
Q11 Shinshiro.  Observer T. Ikemura.  Measurer H. Sato.  0.35-m f/5 reflector + 
   CCD.
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer M.-T. Hui.  Measurer 
   D. J. Tholen.  2.24-m f/10.1 reflector + CCD.

Orbital elements:
    P/2019 X1 (Pruyne)                                                          
T 2019 July 30.29779 TT                                 Rudenko                 
q   4.3258180            (2000.0)            P               Q                  
n   0.06461257     Peri.   37.79926     +0.14941549     -0.98095937             
a   6.1507022      Node    44.00415     +0.85806624     +0.06628804             
e   0.2966953      Incl.   10.28791     +0.49132203     +0.18255032             
P  15.3                                                                         
>From 74 observations 2019 Nov. 29-Dec. 10.                                      
                                                                                
Ephemeris:
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase   m1    m2
2019 11 10    07 11 44.7 +31 40 57   3.7545  4.3504   121.2    11.2  19.7
...
2019 11 25    07 09 51.6 +32 25 54   3.5904  4.3580   136.3     9.0  19.6
...
2019 12 03    07 07 14.3 +32 50 24   3.5213  4.3625   144.6     7.5  19.5
...
2019 12 09    07 04 37.1 +33 08 12   3.4795  4.3661   150.8     6.3  19.5
2019 12 10    07 04 07.9 +33 11 05   3.4735  4.3667   151.9     6.1  19.5
2019 12 11    07 03 38.0 +33 13 56   3.4677  4.3673   152.9     5.9  19.5
...
2019 12 17    07 00 23.5 +33 30 14   3.4388  4.3711   158.9     4.7  19.5
...
2019 12 25    06 55 31.8 +33 49 17   3.4162  4.3764   165.8     3.2  19.5
...
2020 01 09    06 45 44.2 +34 13 47   3.4260  4.3870   166.1     3.1  19.5

M. P. C. Staff               (C) Copyright 2019 MPC           M.P.E.C. 2019-X103




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