• Processing (Info)

  • MPEC 2019-C04 : 2019 BY4

    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-C03 Read MPEC 2019-C05


    M.P.E.C. 2019-C04                                Issued 2019 Feb. 2, 21:12 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 BY4
    
    Observations:
         K19B04Y* C2019 01 30.29824 08 35 26.80 -02 45 56.4          19.6 GVEC004703
         K19B04Y  C2019 01 30.30351 08 35 27.49 -02 45 11.6          19.4 GVEC004703
         K19B04Y  C2019 01 30.31407 08 35 28.63 -02 43 41.3          18.9 GVEC004703
         K19B04Y  C2019 01 30.35996 08 35 33.83 -02 37 10.0                VEC004703
         K19B04Y  C2019 01 30.36383 08 35 34.30 -02 36 37.5                VEC004703
         K19B04Y  C2019 01 30.39391 08 35 37.71 -02 32 23.5          19.9 GVEC004703
         K19B04Y  C2019 01 30.39466 08 35 37.76 -02 32 17.6          19.6 GVEC004703
         K19B04Y KC2019 01 30.39796 08 35 45.68 -02 29 27.4          19.1 GVEC004474
         K19B04Y KC2019 01 30.39921 08 35 45.81 -02 29 16.9          19.6 GVEC004474
         K19B04Y KC2019 01 30.40045 08 35 45.98 -02 29 06.5          19.5 GVEC004474
         K19B04Y KC2019 01 30.40170 08 35 46.13 -02 28 56.1          19.3 GVEC004474
         K19B04Y KC2019 01 30.53847 08 36 01.97 -02 10 13.6          19.1 GVEC004474
         K19B04Y KC2019 01 30.53971 08 36 02.12 -02 10 03.7          19.6 GVEC004474
         K19B04Y KC2019 01 30.54096 08 36 02.25 -02 09 53.5          19.7 GVEC004474
         K19B04Y KC2019 01 30.54221 08 36 02.39 -02 09 43.5          19.5 GVEC004474
         K19B04Y KC2019 01 30.92553 08 36 57.77 -01 23 10.4          19.7 GVEC004Z99
         K19B04Y KC2019 01 30.93065 08 36 58.35 -01 22 32.3          19.6 GVEC004Z99
         K19B04Y KC2019 01 30.93577 08 36 58.90 -01 21 54.5          19.7 GVEC004Z99
         K19B04Y KC2019 01 30.97189808 37 02.80 -01 17 29.1          19.9 GVEC004J95
         K19B04Y KC2019 01 30.97594008 37 03.23 -01 16 59.7          20.1 GVEC004J95
         K19B04Y KC2019 01 30.98266708 37 03.96 -01 16 11.1          19.1 GVEC004J95
         K19B04Y  C2019 01 31.16762308 37 31.03 -00 53 50.9          19.3 GVEC004H01
         K19B04Y  C2019 01 31.17693508 37 31.94 -00 52 46.2          19.1 GVEC004H01
         K19B04Y  C2019 01 31.18774308 37 32.97 -00 51 31.1          19.6 GVEC004H01
         K19B04Y  C2019 01 31.19256108 37 33.43 -00 50 57.8          19.7 GVEC004H01
         K19B04Y  C2019 01 31.90983 08 38 53.02 +00 25 07.7          19.1 VVEC004033
         K19B04Y  C2019 01 31.91155 08 38 53.16 +00 25 17.9          19.2 VVEC004033
         K19B04Y  C2019 01 31.91326 08 38 53.29 +00 25 28.2          19.3 VVEC004033
         K19B04Y  C2019 01 31.97867 08 38 58.48 +00 31 51.5          19.3 VVEC004033
         K19B04Y  C2019 01 31.98038 08 38 58.62 +00 32 01.8          19.4 VVEC004033
         K19B04Y  C2019 01 31.98211 08 38 58.74 +00 32 11.8          19.4 VVEC004033
         K19B04Y  C2019 02 01.04135 08 39 03.42 +00 37 54.0          19.0 VVEC004033
         K19B04Y  C2019 02 01.04318 08 39 03.58 +00 38 04.8          19.6 VVEC004033
         K19B04Y  C2019 02 01.04501 08 39 03.72 +00 38 15.2          18.8 VVEC004033
         K19B04Y KC2019 02 01.33649 08 39 32.85 +01 05 44.5                oEC004711
         K19B04Y KC2019 02 01.33965 08 39 33.06 +01 06 01.1                oEC004711
         K19B04Y KC2019 02 01.34247 08 39 33.25 +01 06 16.6                oEC004711
         K19B04Y  C2019 02 01.52770 08 39 55.47 +01 22 33.1          20.4 RmEC004P93
         K19B04Y  C2019 02 01.57129 08 39 58.28 +01 26 18.7          20.9 RmEC004P93
         K19B04Y  C2019 02 01.58007 08 39 58.76 +01 27 03.6          20.8 RmEC004P93
         K19B04Y KC2019 02 02.25086408 40 54.67 +02 20 53.8          20.1 VuEC004H21
         K19B04Y KC2019 02 02.25500008 40 54.90 +02 21 12.6          20.2 VuEC004H21
         K19B04Y KC2019 02 02.51509 08 41 15.92 +02 42 08.0          19.7 GVEC004474
         K19B04Y KC2019 02 02.52127 08 41 16.24 +02 42 34.5          19.5 GVEC004474
         K19B04Y KC2019 02 02.52608 08 41 16.43 +02 42 54.4          20.0 GVEC004474
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers F. Ludwig,
        B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
        P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
    703 Catalina Sky Survey.  Observers R. A. Kowalski, T. A. Pruyne.  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.  0.68-m Schmidt + 10K CCD.
    711 McDonald Observatory, Fort Davis.  Observer J. G. Ries.  2.1-m reflector
        + CCD + focal reducer.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 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.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3
        Schmidt-Cassegrain + CCD.
    P93 Space Tracking and Communications Center, JAXA.  Observers K. Nishiyama,
        S. Okumura.  1.0-m f/3.0 reflector + CCD.
    Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2019 BY4                                                 Earth MOID = 0.0233 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M  39.80062              (2000.0)            P               Q
    n   0.29265002     Peri.  169.66548     +0.62668161     -0.77891004
    a   2.2468307      Node   241.52453     +0.71302026     +0.58548605
    e   0.6838582      Incl.    1.55544     +0.31443961     +0.22473371
    P   3.37           H   24.1           G   0.15           U   6
    Residuals in seconds of arc
    190130 703  1.2-  0.4+    190130 Z99  0.3-  0.8+    190131 033  0.2-  0.1-
    190130 703  0.3+  0.0     190130 Z99  0.2+  1.2+    190201 033  0.2-  0.4-
    190130 703  0.4-  0.3-    190130 Z99  0.3+  1.3+    190201 033  0.0   0.1-
    190130 703  0.1+  0.1+    190130 J95  0.2-  0.0     190201 033  0.1-  0.2-
    190130 703  0.6+  0.2-    190130 J95  0.0   0.0     190201 711  0.5-  0.2+
    190130 703  0.1+  0.1+    190130 J95  0.7+  0.4-    190201 711  0.5-  0.2-
    190130 703  0.5-  0.3-    190131 H01  0.0   0.1-    190201 711  0.4-  0.0
    190130 474  0.2+  0.1-    190131 H01  0.0   0.1-    190201 P93  0.7+  0.7+
    190130 474  0.2-  0.0     190131 H01  0.1-  0.1+    190201 P93  0.8+  0.5+
    190130 474  0.0   0.0     190131 H01  0.0   0.0     190201 P93  0.2-  0.1+
    190130 474  0.1-  0.0     190131 033  0.0   0.4-    190202 H21  0.1-  0.1+
    190130 474  0.1-  0.0     190131 033  0.0   0.3-    190202 H21  0.1+  0.2+
    190130 474  0.1+  0.1-    190131 033  0.1-  0.1-    190202 474  0.3+  0.2+
    190130 474  0.1-  0.0     190131 033  0.1-  0.4-    190202 474  0.3+  0.1+
    190130 474  0.0   0.1-    190131 033  0.0   0.0     190202 474  0.6-  0.6-
    
    Ephemeris:
    2019 BY4                 a,e,i = 2.25, 0.68, 2                   q = 0.7103
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2019 01 03    20 55 49.2 -20 30 38   0.2182  0.7988    28.7   143.7    27.7
    ...
    2019 01 18    21 25 14.7 -36 29 12   0.05956 0.9300    24.8   153.7    27.0
    ...
    2019 01 26    08 10 00.9 -24 27 24   0.03597 1.0108   136.3    42.3    18.5
    ...
    2019 02 01    08 39 00.9 +00 35 04   0.09233 1.0738   162.8    15.8    19.9
    2019 02 02    08 40 34.2 +02 02 20   0.1025  1.0844   164.3    14.3    20.1
    2019 02 03    08 41 51.4 +03 14 24   0.1128  1.0951   165.4    13.1    20.3
    ...
    2019 02 09    08 46 41.5 +07 34 08   0.1764  1.1593   167.4    10.7    21.3
    ...
    2019 02 17    08 50 37.5 +10 10 57   0.2667  1.2453   162.9    13.5    22.5
    ...
    2019 03 04    08 58 12.6 +12 10 03   0.4551  1.4049   150.3    20.5    24.1
    
    A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-C04
    

    Read MPEC 2019-C03 Read MPEC 2019-C05


    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)