[Iaude] MPEC Q63: COMET P/2018 L5 (Leonard)

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Aug 23 02:01:16 EDT 2018


M.P.E.C. 2018-Q63                                Issued 2018 Aug. 23, 05:53 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/2018 L5 (Leonard)
 
Observations:
    PK18L050 KC2018 07 09.03685 23 50 19.02 +01 45 28.6          19.3  qEQ063215
    PK18L050 KC2018 07 09.03878 23 50 19.08 +01 45 28.8          18.8  qEQ063215
    PK18L050 KC2018 07 09.04070 23 50 19.14 +01 45 30.0          18.4  qEQ063215
    PK18L050  C2018 07 13.58228 23 53 12.199+02 06 42.46         20.4 wUEQ063F51
    PK18L050  C2018 07 13.59283 23 53 12.541+02 06 44.79         20.7 wUEQ063F51
    PK18L050  C2018 07 13.60344 23 53 12.893+02 06 47.47         20.3 wUEQ063F51
    PK18L050  C2018 07 19.56366 23 56 16.876+02 29 43.78         20.5 wUEQ063F52
    PK18L050  C2018 07 19.57488 23 56 17.160+02 29 46.17         19.9 wUEQ063F52
    PK18L050  C2018 07 19.58616 23 56 17.439+02 29 48.31         20.4 wUEQ063F52
    PK18L050  C2018 07 19.59673 23 56 17.701+02 29 50.52         19.9 wUEQ063F52
    PK18L050 KC2018 08 12.98874 23 59 41.56 +02 59 59.9          19.5 VqEQ063A71
    PK18L050 KC2018 08 12.99873 23 59 41.48 +02 59 59.3          19.6 VqEQ063A71
    PK18L050 KC2018 08 13.00872 23 59 41.37 +02 59 59.2          19.4 VqEQ063A71
    PK18L050  C2018 08 13.52270 23 59 35.846+02 59 29.64         20.4 wUEQ063F51
    PK18L050  C2018 08 13.53480 23 59 35.664+02 59 28.77         20.7 wUEQ063F51
    PK18L050  C2018 08 13.54684 23 59 35.525+02 59 28.08         20.4 wUEQ063F51
    PK18L050  C2018 08 13.55884 23 59 35.346+02 59 27.16         20.6 wUEQ063F51
    PK18L050 KC2018 08 18.97143 23 58 14.58 +02 50 52.6          18.9 ToEQ063461
    PK18L050 KC2018 08 18.97629 23 58 14.46 +02 50 52.0          19.1 ToEQ063461
    PK18L050 KC2018 08 18.98114 23 58 14.35 +02 50 51.6          18.7 ToEQ063461
    PK18L050 KC2018 08 19.97817 23 57 55.05 +02 48 43.5          18.7 ToEQ063461
    PK18L050 KC2018 08 19.98303 23 57 54.96 +02 48 42.6          19.1 ToEQ063461
    PK18L050 KC2018 08 19.98822 23 57 54.84 +02 48 41.8          18.9 ToEQ063461
    PK18L050  C2018 08 21.46617 23 57 23.846+02 45 15.21         19.4 iUEQ063F51
    PK18L050  C2018 08 21.47968 23 57 23.514+02 45 13.13         19.8 iUEQ063F51
    PK18L050  C2018 08 21.49320 23 57 23.206+02 45 11.17         19.6 iUEQ063F51
    PK18L050  C2018 08 21.50672 23 57 22.864+02 45 09.15         19.7 iUEQ063F51
 
Observer details:
215 Buchloe.  Observer W. Hasubick.  0.44-m f/4.6 reflector + CCD.
461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observer B. Ignacz.
    Measurer K. Sarneczky.  0.60-m Schmidt + CCD.
A71 Stixendorf.  Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
    Measurer M. Jaeger.  0.3-m f/4 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
    1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe,
    A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
    H. Flewelling, M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
    C. Waters, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
 
Orbital elements:
    P/2018 L5 (Leonard)
Epoch 2018 May 2.0 TT = JDT 2458240.5
T 2018 May 4.58104 TT                                   MPCW
q   2.3033699            (2000.0)            P               Q
n   0.14308787     Peri.   93.68843     +0.67937809     +0.73338476
a   3.6202135      Node   219.14321     -0.68761440     +0.62469928
e   0.3637475      Incl.    2.20930     -0.25618712     +0.26813728
P   6.89
>From 85 observations 2018 June 8-Aug. 21, mean residual 0".6.

    P/2018 L5 (Leonard)
Epoch 2025 Mar. 26.0 TT = JDT 2460760.5
T 2025 Mar. 31.06160 TT                                 MPCW
q   2.3089057            (2000.0)            P               Q
n   0.14284569     Peri.   93.99611     +0.68162608     +0.73129807
a   3.6243041      Node   219.01130     -0.68569333     +0.62683991
e   0.3629382      Incl.    2.20961     -0.25536356     +0.26883983
P   6.90
>From 85 observations 2018 June 8-Aug. 21, mean residual 0".6.

    P/2018 L5 (Leonard)
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5
T 2018 May 4.57518 TT                                   MPCW
q   2.3033727            (2000.0)            P               Q
n   0.14308818     Peri.   93.68622     +0.67935337     +0.73340765
a   3.6202082      Node   219.14348     -0.68763546     +0.62467604
e   0.3637458      Incl.    2.20930     -0.25619614     +0.26812882
P   6.89
>From 85 observations 2018 June 8-Aug. 21, mean residual 0".6.

Ephemeris:
    P/2018 L5 (Leonard)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2018 07 24    23 58 00.8 +02 43 05   1.6879  2.3672   120.2    21.8  19.4
...
2018 08 08    00 00 13.8 +03 02 42   1.5754  2.3923   133.8    17.8  19.3
...
2018 08 16    23 59 04.0 +02 56 17   1.5285  2.4072   141.8    15.1  19.2
...
2018 08 22    23 57 11.8 +02 43 56   1.5007  2.4191   148.1    12.8  19.2
2018 08 23    23 56 48.6 +02 41 17   1.4968  2.4211   149.1    12.4  19.2
2018 08 24    23 56 24.1 +02 38 28   1.4931  2.4231   150.2    12.0  19.2
...
2018 08 30    23 53 33.3 +02 18 22   1.4751  2.4357   156.7     9.4  19.2
...
2018 09 07    23 48 53.8 +01 44 10   1.4639  2.4532   165.7     5.8  19.2
...
2018 09 22    23 39 00.6 +00 26 58   1.4862  2.4885   175.8     1.7  19.3

Gareth V. Williams           (C) Copyright 2018 MPC           M.P.E.C. 2018-Q63



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