[Iaude] MPEC Y70: COMET C/2018 X2 (Fitzsimmons)

[mpec at mpcdb1.cfa.harvard.edu]

M.P.E.C. 2018-Y70                                Issued 2018 Dec. 26, 02:24 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/2018 X2 (Fitzsimmons)
 
Observations:
    CK18X020 KC2018 12 18.95949 03 52 35.25 +53 31 03.0          18.5 GVEY070595
    CK18X020 KC2018 12 18.97002 03 52 34.67 +53 31 00.9          18.9 GVEY070595
    CK18X020 KC2018 12 19.00119 03 52 32.92 +53 30 53.1          18.4 GVEY070595
    CK18X020  C2018 12 24.56510 03 47 45.17 +53 03 26.8          18.1 TmEY070349
    CK18X020  C2018 12 24.57681 03 47 44.56 +53 03 23.3                mEY070349
 
Observer details:
349 Ageo.  Observer K. Kadota.  0.25-m f/5.0 reflector + CCD.
595 Farra dIsonzo.  Observers U. Montanar, E. Pettarin, F. Piani.  Measurer
    F. Piani.  0.40-m f/5.15 reflector + CCD.
 
Orbital elements:
    C/2018 X2 (Fitzsimmons)
Epoch 2019 July 16.0 TT = JDT 2458680.5
T 2019 July 8.56916 TT                                  MPCW
q   2.1271948            (2000.0)            P               Q
z  +0.0072899      Peri.  161.99685     -0.80511215     -0.57902693
 +/-0.0007642      Node   340.84824     +0.48454890     -0.51711863
e   0.9844929      Incl.   23.06664     +0.34206256     -0.63033018
>From 86 observations 2018 Dec. 8-24, mean residual 0".5.

    C/2018 X2 (Fitzsimmons)
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5
T 2019 July 8.56904 TT                                  MPCW
q   2.1271911            (2000.0)            P               Q
z  +0.0072583      Peri.  161.99626     -0.80511475     -0.57902519
 +/-0.0007642      Node   340.84912     +0.48454484     -0.51712791
e   0.9845603      Incl.   23.06612     +0.34206219     -0.63032417
>From 86 observations 2018 Dec. 8-24, mean residual 0".5.

Ephemeris:
    C/2018 X2 (Fitzsimmons)
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2018 11 26    04 16 50.2 +54 03 40   2.4180  3.2879   146.7     9.5  19.1
...
2018 12 11    04 00 34.8 +53 57 54   2.3037  3.1704   146.3     9.9  18.8
...
2018 12 19    03 52 33.2 +53 30 53   2.2652  3.1086   143.1    11.0  18.7
...
2018 12 25    03 47 24.9 +53 01 02   2.2461  3.0627   139.7    12.0  18.6
2018 12 26    03 46 39.1 +52 55 21   2.2436  3.0551   139.0    12.2  18.6
2018 12 27    03 45 55.2 +52 49 29   2.2414  3.0475   138.4    12.4  18.6
...
2019 01 02    03 42 11.5 +52 10 49   2.2326  3.0023   134.2    13.6  18.5
...
2019 01 10    03 39 12.4 +51 12 01   2.2316  2.9426   128.2    15.2  18.4
...
2019 01 25    03 40 15.2 +49 11 33   2.2573  2.8335   116.2    18.2  18.3

Gareth V. Williams           (C) Copyright 2018 MPC           M.P.E.C. 2018-Y70