• MPC Preparation (Info)

    • MPEC 2019-G109: 2019 GC4

    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-G108 Read MPEC 2019-G110 

    M.P.E.C. 2019-G109                               Issued 2019 Apr.  9, 00:08 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 GC4

Observations:
     K19G04C  C2019 04 04.49375314 02 39.884-18 24 39.94         21.5 GVEG109F51
     K19G04C  C2019 04 04.51708214 02 36.330-18 25 08.61         21.5 GVEG109F51
     K19G04C* C2019 04 05.43041 14 00 22.955-18 46 13.71         21.6 wUEG109F51
     K19G04C  C2019 04 05.44200 14 00 20.683-18 46 32.09         21.5 wUEG109F51
     K19G04C  C2019 04 05.45364 14 00 18.385-18 46 50.78         21.7 wUEG109F51
     K19G04C  C2019 04 06.49196 13 56 46.193-19 18 12.86         21.1 wUEG109F51
     K19G04C  C2019 04 06.50250 13 56 43.314-19 18 34.81         21.0 wUEG109F51
     K19G04C  C2019 04 06.51305 13 56 40.410-19 18 56.84         20.8 wUEG109F51
     K19G04C  C2019 04 06.52368 13 56 37.498-19 19 18.76         21.3 wUEG109F51
     K19G04C KC2019 04 06.99504313 54 33.63 -19 37 46.8          20.6 GVEG109L01
     K19G04C pC2019 04 06.99815913 54 32.68 -19 37 54.0          20.8 GVEG109L01
     K19G04C pC2019 04 07.00171113 54 31.53 -19 38 02.7          20.5 GVEG109L01
     K19G04C  C2019 04 07.44018 13 52 08.84 -19 57 32.7          21.5 GVEG109I52
     K19G04C  C2019 04 07.44095 13 52 08.53 -19 57 35.4          21.8 GVEG109I52
     K19G04C  C2019 04 07.44552 13 52 06.83 -19 57 47.8                VEG109I52
     K19G04C  C2019 04 07.44628 13 52 06.53 -19 57 49.7          21.4 GVEG109I52
     K19G04C KC2019 04 07.96273213 48 52.337-20 25 39.30         20.6 GVEG109J04
     K19G04C KC2019 04 07.96516913 48 51.210-20 25 48.39         20.2 GVEG109J04
     K19G04C KC2019 04 07.96760713 48 50.063-20 25 57.48         19.9 GVEG109J04

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, T. de Boer,
    L. Denneau, J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier.  1.8-m
    Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.
    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.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers
    M. Micheli, D. Koschny, A. Knoefel, M. Busch, E. Schwab.  1.0-m f/4.4
    reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2019 GC4                                                 Earth MOID = 0.0101 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 354.14225              (2000.0)            P               Q
n   0.24083783     Peri.  111.27008     +0.84952759     +0.52705040
a   2.5585048      Node   216.93414     -0.49699915     +0.78508499
e   0.9057442      Incl.    2.17641     -0.17690315     +0.32536046
P   4.09           H   24.6           G   0.15           U   6
Residuals in seconds of arc
190404 F51  0.1-  0.1+    190406 F51  0.1-  0.0     190407 I52  0.0   0.1-
190404 F51  0.1+  0.0     190406 F51  0.0   0.2+    190407 I52  0.2-  0.1+
190405 F51  0.0   0.0     190406 L01  0.0   0.6-    190407 J04  0.1-  0.2+
190405 F51  0.0   0.1+    190406 L01  0.5+  0.0     190407 J04  0.0   0.2+
190405 F51  0.1-  0.2-    190407 L01  0.2+  0.2+    190407 J04  0.0   0.2+
190406 F51  0.0   0.1-    190407 I52  0.0   0.1-
190406 F51  0.1+  0.0     190407 I52  0.3-  0.6-

Ephemeris:
2019 GC4                 a,e,i = 2.56, 0.91, 2                   q = 0.2412
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2019 03 10    14 06 53.2 -15 25 05   0.6819  1.5463   134.0    27.5    25.9
...
2019 03 25    14 10 22.2 -16 38 05   0.3633  1.3183   147.6    23.9    24.1
...
2019 04 02    14 06 34.7 -17 44 02   0.2024  1.1868   155.7    20.3    22.5
...
2019 04 08    13 48 32.0 -20 26 42   0.08524 1.0828   162.8    15.8    20.3
2019 04 09    13 38 51.6 -21 43 29   0.06609 1.0650   163.8    15.2    19.7
2019 04 10    13 20 55.0 -23 55 42   0.04723 1.0470   163.6    15.7    18.9
...
2019 04 16    02 56 24.3 +10 10 19   0.07214 0.9359    20.2   158.3    29.2
...
2019 04 24    02 30 46.4 +14 04 54   0.2295  0.7781     6.6   171.4
...
2019 05 09    02 24 12.9 +15 00 08   0.5777  0.4488     9.2   158.9    32.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-G109

    Read MPEC 2019-G108 Read MPEC 2019-G110

    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)