[Iaude] MPEC E96: COMET P/2019 A4 (PANSTARRS)

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2019-E96                                Issued 2019 Mar. 15, 10:22 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 A4 (PANSTARRS)
 
Observations:
    PK19A040 KC2019 02 05.82422 07 13 11.95 +22 07 32.9          20.5 RoEE096461
    PK19A040 KC2019 02 05.82845 07 13 11.70 +22 07 35.1          20.7 RoEE096461
    PK19A040 KC2019 02 05.83267 07 13 11.59 +22 07 36.5          20.6 RoEE096461
    PK19A040  C2019 02 08.23262 07 11 45.43 +22 25 05.5          20.9 GVEE096G96
    PK19A040  C2019 02 08.23773 07 11 45.23 +22 25 07.8          20.2 GVEE096G96
 
Observer details:
461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observer
    K. Sarneczky.  1.02-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers B. M. Africano,
    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,
    R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.
 
Orbital elements:
    P/2019 A4 (PANSTARRS)
Epoch 2018 Nov. 18.0 TT = JDT 2458440.5
T 2018 Dec. 4.89620 TT                                  MPCW
q   2.3782595            (2000.0)            P               Q
n   0.23333617     Peri.  341.73092     -0.19877696     -0.95927759
a   2.6130517      Node   119.30588     +0.92543101     -0.25112486
e   0.0898537      Incl.   13.30517     +0.32259133     +0.12931669
P   4.22
>From 63 observations 2018 Dec. 31-2019 Feb. 8, mean residual 0".5.

    P/2019 A4 (PANSTARRS)
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Mar. 2.58872 TT                                  MPCW
q   2.3847285            (2000.0)            P               Q
n   0.23336397     Peri.  342.94809     -0.21812521     -0.95508027
a   2.6128442      Node   119.24875     +0.92006920     -0.26979184
e   0.0873055      Incl.   13.29236     +0.32541367     +0.12261339
P   4.22
>From 63 observations 2018 Dec. 31-2019 Feb. 8, mean residual 0".5.

    P/2019 A4 (PANSTARRS)
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5
T 2018 Dec. 4.75884 TT                                  MPCW
q   2.3782239            (2000.0)            P               Q
n   0.23339456     Peri.  341.69344     -0.19815108     -0.95940449
a   2.6126159      Node   119.30592     +0.92559625     -0.25052406
e   0.0897155      Incl.   13.30601     +0.32250230     +0.12954043
P   4.22
>From 63 observations 2018 Dec. 31-2019 Feb. 8, mean residual 0".5.

Ephemeris:
    P/2019 A4 (PANSTARRS)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2019 02 13    07 09 25.1 +22 57 48   1.5316  2.3897   142.2    14.7  19.7
...
2019 02 28    07 06 50.2 +24 22 17   1.6714  2.3950   126.3    19.5  19.9
...
2019 03 08    07 08 28.1 +24 55 59   1.7592  2.3982   118.6    21.3  20.0
...
2019 03 14    07 11 00.1 +25 16 17   1.8295  2.4008   113.1    22.4  20.1
2019 03 15    07 11 31.6 +25 19 15   1.8415  2.4013   112.3    22.5  20.1
2019 03 16    07 12 04.9 +25 22 07   1.8535  2.4017   111.4    22.7  20.1
...
2019 03 22    07 15 58.9 +25 36 56   1.9273  2.4045   106.3    23.4  20.2
...
2019 03 30    07 22 35.6 +25 50 31   2.0286  2.4084    99.8    24.1  20.4
...
2019 04 14    07 38 42.3 +25 57 30   2.2231  2.4165    88.6    24.5  20.6

Gareth V. Williams           (C) Copyright 2019 MPC           M.P.E.C. 2019-E96