• MPC Preparation (Info)

    • MPEC 2019-C122: 2019 CK4

    The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

    A form allowing access to any MPEC is at the bottom of this page.

    Read MPEC 2019-C121 Read MPEC 2019-C123 

    M.P.E.C. 2019-C122                               Issued 2019 Feb. 11, 15:08 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2019 CK4

Observations:
     K19C04K  C2019 01 06.62627009 05 34.010+23 59 11.93         23.2 GVEC122F51
     K19C04K  C2019 01 06.63725709 05 34.690+23 59 12.83         23.1 GVEC122F51
     K19C04K  C2019 01 07.57481809 06 37.833+24 02 05.31         22.7 GVEC122F51
     K19C04K  C2019 01 07.59750909 06 39.193+24 02 09.08         22.7 GVEC122F51
     K19C04K  C2019 01 25.41537909 28 57.218+25 17 46.95         21.7 GVEC122F52
     K19C04K  C2019 01 25.42625809 28 58.033+25 17 50.65         21.5 GVEC122F52
     K19C04K* C2019 02 08.37751 09 59 32.134+26 26 00.06         21.1 wUEC122F51
     K19C04K  C2019 02 08.40079 09 59 36.136+26 26 06.62         20.6 wUEC122F51
     K19C04K  C2019 02 08.41239 09 59 38.124+26 26 09.69         20.9 wUEC122F51
     K19C04K KC2019 02 10.29012410 06 05.33 +26 31 26.9          20.3 VuEC122H21
     K19C04K KC2019 02 10.29504310 06 06.32 +26 31 27.8          20.4 VuEC122H21
     K19C04K KC2019 02 10.29917810 06 07.15 +26 31 28.6          20.2 VuEC122H21
     K19C04K  C2019 02 11.36918 10 10 13.68 +26 33 45.2          20.1 GVEC122I52
     K19C04K  C2019 02 11.37136 10 10 14.16 +26 33 45.1          19.7 GVEC122I52
     K19C04K  C2019 02 11.37213 10 10 14.31 +26 33 45.1          19.8 GVEC122I52
     K19C04K  C2019 02 11.37430 10 10 14.79 +26 33 45.1          19.9 GVEC122I52

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe,
    E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau,
    J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m
    Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes,
    T. Lowe, E. Magnier, A. Schultz, M. Willman.  Measurers S. Chastel,
    M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien
    + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.61-m f/4.5
    astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer E. J. Christensen.
    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.  1.0-m reflector
    + CCD.

Orbital elements:
2019 CK4                                                 Earth MOID = 0.0060 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M   9.22971              (2000.0)            P               Q
n   0.26574515     Peri.  168.98737     -0.99050169     +0.13695689
a   2.3960313      Node    18.89750     -0.12884692     -0.89347517
e   0.5814356      Incl.    2.16151     -0.04800916     -0.42772063
P   3.71           H   23.5           G   0.15           U   5
Residuals in seconds of arc
190106 F51  0.1-  0.2+    190208 F51  0.1+  0.2-    190211 I52  0.0   0.1+
190106 F51  0.2+  0.5-    190208 F51  0.0   0.0     190211 I52  0.1+  0.1-
190107 F51  0.2-  0.1+    190208 F51  0.0   0.0     190211 I52  0.1-  0.2-
190107 F51  0.2+  0.2+    190210 H21  0.2-  0.1+    190211 I52  0.1+  0.3-
190125 F52  0.3+  0.1+    190210 H21  0.1-  0.3+
190125 F52  0.3-  0.0     190210 H21  0.1-  0.6+

Ephemeris:
2019 CK4                 a,e,i = 2.40, 0.58, 2                   q = 1.0029
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 01 12    09 11 37.4 +24 17 09   0.3697  1.3314   156.9    16.8    22.9
...
2019 01 27    09 31 26.7 +25 25 59   0.2451  1.2234   165.4    11.7    21.6
...
2019 02 04    09 47 16.1 +26 07 22   0.1893  1.1708   166.7    11.1    20.9
...
2019 02 10    10 05 01.9 +26 30 56   0.1518  1.1345   165.8    12.3    20.4
2019 02 11    10 08 46.8 +26 33 12   0.1459  1.1287   165.6    12.6    20.3
2019 02 12    10 12 49.3 +26 34 43   0.1401  1.1231   165.2    12.9    20.2
...
2019 02 18    10 45 15.2 +26 17 23   0.1076  1.0913   162.6    15.7    19.7
...
2019 02 26    12 05 32.5 +22 43 03   0.07212 1.0553   154.2    24.1    19.0
...
2019 03 13    16 29 35.1 -07 58 23   0.06466 1.0119   104.5    72.0    20.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-C122

    Read MPEC 2019-C121 Read MPEC 2019-C123

    MPEC number:

    Enter an MPEC number in one of the following forms:

    • 1997-B01 (the full form)
    • J97B01 (the packed version of the full form)
    • B01 (the abbreviated form)