[Iaude] MPEC Y128: 2019 YG4 [a=1.69,e=0.30,i=11.5,H=21.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 30 22:23:57 EST 2019


M.P.E.C. 2019-Y128                            Issued 2019 December 31, 03:22 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

                                    2019 YG4                                    


Observations:
     K19Y04G  C2019 11 29.49588608 51 46.136+12 56 55.78         21.4 GVEY128F52
     K19Y04G  C2019 11 29.50813908 51 46.858+12 57 06.70         22.2 GVEY128F52
     K19Y04G  C2019 11 29.53266808 51 48.334+12 57 29.95         21.9 GVEY128F52
     K19Y04G  C2019 12 04.49780508 56 33.310+14 19 07.35         22.4 GVEY128F51
     K19Y04G  C2019 12 04.51017508 56 33.894+14 19 20.66         22.0 GVEY128F51
     K19Y04G  C2019 12 04.52241608 56 34.350+14 19 33.46         22.7 GVEY128F51
     K19Y04G  C2019 12 04.53476008 56 34.901+14 19 46.73         22.2 GVEY128F51
     K19Y04G  C2019 12 24.46398109 00 21.574+21 35 02.54         22.1 GVEY128F51
     K19Y04G  C2019 12 24.47571109 00 21.165+21 35 20.91         21.9 GVEY128F51
     K19Y04G  C2019 12 24.48754409 00 20.735+21 35 39.03         22.1 GVEY128F51
     K19Y04G  C2019 12 24.49928109 00 20.322+21 35 57.14         21.8 GVEY128F51
     K19Y04G  C2019 12 29.44841308 57 11.148+23 43 58.88         22.3 GVEY128F51
     K19Y04G  C2019 12 29.47328108 57 09.781+23 44 38.05         22.6 GVEY128F51
     K19Y04G  C2019 12 29.48591008 57 09.095+23 44 57.44         21.5 GVEY128F51
     K19Y04G* C2019 12 30.56795308 56 14.393+24 13 19.68         21.49wUEY128F51
     K19Y04G  C2019 12 30.58999508 56 13.077+24 13 54.12         21.65wUEY128F51
     K19Y04G  C2019 12 30.60089408 56 12.422+24 14 11.23         21.76wUEY128F51
     K19Y04G KC2019 12 31.03343408 55 50.20 +24 25 24.8          21.8 GVEY128L01
     K19Y04G KC2019 12 31.03775808 55 49.95 +24 25 32.2          21.8 GVEY128L01
     K19Y04G KC2019 12 31.04208908 55 49.72 +24 25 38.9          21.8 GVEY128L01

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, 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.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T. 
   Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. 
   Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector + 
   CCD.

Orbital elements:
2019 YG4                                                 Earth MOID = 0.2539 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 111.57082              (2000.0)            P               Q
n   0.44812177     Peri.  297.01744     +0.80800811     -0.55473519
a   1.6912404      Node    97.30487     +0.58612630     +0.72264412
e   0.3038692      Incl.   11.54267     +0.05982350     +0.41237647
P   2.20           H   21.8           G   0.15           U   4
Residuals in seconds of arc
191129 F52  0.2+  0.1+    191224 F51  0.1+  0.1-    191230 F51  0.2+  0.0
191129 F52  0.2-  0.4-    191224 F51  0.1+  0.1+    191230 F51  0.1+  0.0
191129 F52  0.1-  0.0     191224 F51  0.1-  0.0     191230 F51  0.0   0.1+
191204 F51  0.1-  0.0     191224 F51  0.0   0.0     191231 L01  0.4-  0.1-
191204 F51  0.6+  0.1+    191229 F51  0.1-  0.4+    191231 L01  0.3-  0.5+
191204 F51  0.4-  0.1-    191229 F51  0.1-  0.0     191231 L01  0.1+  0.3+
191204 F51  0.1-  0.0     191229 F51  0.0   0.6-

Ephemeris:
2019 YG4                 a,e,i = 1.69, 0.30, 12                  q = 1.1773
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 12 01    08 53 20.5 +13 20 31   0.5268  1.3068   116.1    42.7    22.6
...
2019 12 16    09 01 54.7 +18 10 43   0.4967  1.3615   130.8    33.2    22.3
...
2019 12 24    09 00 33.7 +21 23 16   0.4877  1.3928   140.0    27.0    22.2
...
2019 12 30    08 56 43.6 +23 58 24   0.4861  1.4169   147.3    22.0    22.1
2019 12 31    08 55 51.9 +24 24 37   0.4864  1.4209   148.5    21.2    22.0
2020 01 01    08 54 56.6 +24 50 51   0.4868  1.4250   149.7    20.3    22.0
...
2020 01 07    08 48 16.4 +27 26 11   0.4928  1.4497   157.0    15.4    21.9
...
2020 01 15    08 37 03.5 +30 36 51   0.5113  1.4830   164.8    10.0    21.8
...
2020 01 30    08 14 30.7 +34 54 36   0.5801  1.5462   161.6    11.6    22.3

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-Y128




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