[Iaude] MPEC P69: 2017 MZ4 [a=66.21,e=0.95,i=65.8,H=13.3]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Aug 12 14:17:17 EDT 2018


M.P.E.C. 2018-P69                                Issued 2018 Aug. 12, 18:14 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


                                   2017 MZ4
 
                           Revision to MPEC 2017-M90
 
Additional Observations:
     K17M04Z KC2018 07 14.99864 22 13 37.39 +46 29 54.2          20.3 RoEP069461
     K17M04Z KC2018 07 15.00838 22 13 36.96 +46 30 00.6                oEP069461
     K17M04Z KC2018 07 15.95748 22 12 50.14 +46 40 02.9                oEP069461
     K17M04Z KC2018 07 15.96234 22 12 49.88 +46 40 06.6          20.3 RoEP069461
     K17M04Z KC2018 07 15.96720 22 12 49.61 +46 40 09.5          20.4 RoEP069461
     K17M04Z KC2018 07 17.03826 22 11 55.52 +46 51 18.5          20.2 RoEP069461
     K17M04Z KC2018 07 17.04314 22 11 55.27 +46 51 21.7          20.2 RoEP069461
 
Observer details:
461 University of Szeged, Piszkesteto Stn. (Konkoly).  Observers A. Ordasi,
    A. Pal, K. Sarneczky.  Measurer K. Sarneczky.  0.60-m Schmidt + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180714 461  1.8-  0.9-    180717 461  1.7-  0.8-    MPO435133   -0.00068 day
 
Orbital elements:
2017 MZ4
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M   0.52696              (2000.0)            P               Q
n   0.00182955     Peri.  341.26388     +0.57422455     +0.50138498
a  66.2074147      Node   314.81703     -0.58479065     -0.30206024
e   0.9519291      Incl.   65.83671     -0.57296253     +0.81078524
P 539              H   13.3           G   0.15           U   0
Residuals in seconds of arc
170620 F51  0.1-  0.0     170729 B74  0.1-  0.0     170824 H45  1.4-  0.3-
170622 F51  0.2-  0.0     170730 B74  0.1-  0.1-    170824 T05  0.5-  0.1+
170622 F51  0.2-  0.0     170730 B74  0.0   0.2-    170824 T05  0.3+  0.1+
170624 F51  0.0   0.0     170801 B74  0.9+  0.1+    170824 T05  0.2-  0.3-
170624 F51  0.0   0.0     170801 B74  0.2+  0.1+    170824 T05  0.1-  0.2-
170624 F51  0.0   0.0     170801 B74  0.1-  0.2+    170827 D29  0.2-  0.2+
170625 T14  0.1+  0.1-    170801 T08  0.0   0.1-    170827 D29  0.2-  0.2+
170625 T14  0.1+  0.1-    170801 T08  0.3+  0.3-    170827 D29  0.2-  0.2+
170625 T14  0.1+  0.1-    170801 T08  0.4-  0.1-    170828 T05  0.0   0.1-
170625 Q62  0.2-  0.8-    170801 T08  0.2-  0.1-    170828 T05  0.2-  0.3+
170625 Q62  0.5+  0.3+    170803 B74  0.2-  0.0     170828 T05  0.0   0.1+
170626 T08  0.1+  1.0+    170803 B74  0.2-  0.2+    170828 T05  0.2+  0.2-
170626 T08  0.8-  0.2-    170803 B74  0.2-  0.5+    170830 Q62  0.4-  0.1+
170626 T08  0.6-  0.5+    170812 Q62  0.2+  0.0     170830 Q62  0.2-  0.1+
170626 T08  0.0   0.9+    170812 Q62  0.0   0.1+    170830 Q62  0.7+  0.2-
170626 Q62  0.4+  0.2-    170812 Q62  0.1-  0.1+    170912 D29  0.0   0.2+
170626 Q62  0.1-  0.0     170813 B74  0.0   0.0     170912 D29  0.1+  0.1+
170630 T08  0.5+  0.5-    170813 B74  0.0   0.0     170912 D29  0.2+  0.3+
170630 T08  0.4+  0.2-    170813 B74  0.2-  0.0     170914 F51  0.1-  0.1+
170630 T08  0.1+  0.2-    170814 T08  0.1+  0.1+    170914 F51  0.0   0.0
170704 T08  0.1+  0.3-    170814 T08  0.2-  0.2-    170915 T05  0.2+  0.2+
170704 T08  0.0   0.1-    170814 T08  0.2+  0.0     170915 T05  0.3+  0.3-
170704 T08  0.5-  0.3-    170814 T08  0.3-  0.0     170915 T05  0.2-  0.8+
170704 T08  0.4-  0.2-    170814 157  0.1-  0.4+    170915 T05  0.1-  0.2-
170706 T05  0.4+  0.0     170814 157  0.1+  0.0     170924 F51  0.0   0.0
170706 T05  0.0   0.2-    170814 157  0.2+  0.1+    170924 F51  0.0   0.0
170706 T05  0.4-  0.2-    170814 157  0.2+  0.3+    170924 F51  0.0   0.0
170706 T05  0.2+  0.3-    170816 F51  0.0   0.1+    171008 D29  0.3-  0.1+
170715 T08  0.1+  0.8+    170816 F51  0.0   0.1+    171008 D29  0.1-  0.4-
170715 T08  0.1-  0.6+    170816 F51  0.0   0.0     171008 D29  0.2+  0.1-
170715 T08  0.0   0.2-    170816 F51  0.0   0.1+    171016 130  0.2+  0.1-
170715 T08  0.1+  0.0     170816 T05  0.4+  0.3-    171016 130  0.2+  0.3-
170718 568  0.1+  0.1-    170816 T05  0.1+  0.0     171016 130  0.2+  0.2+
170718 568  0.2+  0.2-    170816 T05  0.3+  0.4-    171019 G96  0.0   0.0
170721 T08  0.2-  0.1+    170816 T05  0.2+  0.1-    171019 G96  0.1+  0.0
170721 T08  0.0   0.3+    170817 107  0.2-  0.1-    171019 G96  0.2+  0.1-
170721 T08  0.7+  0.0     170817 107  0.0   0.4+    171019 G96  0.0   0.4-
170721 T08  0.2+  0.1+    170817 107  0.2+  0.1-    171019 G96  0.0   0.4-
170721 T08  0.4+  0.5-    170818 T08  0.0   0.3-    171019 G96  0.1-  0.4-
170721 T08  0.2-  0.3-    170818 T08  0.1+  0.0     171019 G96  0.1+  0.0
170721 T08  0.3+  0.2-    170818 T08  0.3-  0.4-    171019 G96  0.2-  0.0
170721 T08  0.7+  0.7-    170818 T08  0.0   0.2+    171026 G96  0.5-  0.1+
170722 Q62  0.2+  0.5+    170820 568  0.0   0.1-    171026 G96  0.0   0.0
170722 Q62  0.3+  0.3+    170820 568  0.0   0.1-    171026 G96  0.1-  0.1-
170724 T08  0.1-  0.3-    170820 568  0.0   0.1-    171102 F51  0.0   0.0
170724 T08  0.1+  0.1-    170820 568  0.1-  0.1-    171102 F51  0.1+  0.1-
170724 T08  0.5+  0.3+    170820 568  0.1-  0.1-    171102 F51  0.2+  0.1+
170724 T08  0.1+  0.1-    170820 568  0.1-  0.0     171102 F51  0.1+  0.1+
170726 T05  0.1+  0.1-    170822 T08  0.1-  0.2-    180714 461  0.2-  0.2+
170726 T05  0.0   0.1-    170822 T08  0.7-  0.4-    180715 461  0.3+  0.3+
170726 T05  0.0   0.1-    170822 T08  0.0   0.0     180715 461  0.1+  0.6-
170726 T05  0.0   0.2+    170822 T08  0.0   0.2-    180715 461  0.0   0.0
170729 157  0.0   0.3+    170824 H45  0.2-  0.3-    180715 461  0.3-  0.1-
170729 157  0.1-  0.1-    170824 H45  0.1+  0.1-    180717 461  0.1-  0.1+
170729 157  0.0   0.1-    170824 H45  0.1-  0.2-    180717 461  0.1-  0.2+
170729 157  0.1+  0.3+    170824 H45  0.1-  0.2-

Ephemeris:
2017 MZ4                 a,e,i = 66.21, 0.95, 66                 q = 3.1827
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 13    22 15 12.7 +46 08 11   4.4836  4.8014   102.1    11.9    20.7
...
2018 07 28    22 01 36.0 +48 32 09   4.4666  4.8955   109.2    11.3    20.7
...
2018 08 05    21 53 00.0 +49 29 06   4.4706  4.9460   112.3    10.9    20.7
...
2018 08 11    21 46 08.8 +50 01 49   4.4801  4.9840   114.3    10.7    20.7
2018 08 12    21 44 58.9 +50 06 24   4.4822  4.9904   114.6    10.6    20.7
2018 08 13    21 43 48.8 +50 10 44   4.4846  4.9967   114.9    10.6    20.7
...
2018 08 19    21 36 45.2 +50 31 36   4.5019  5.0349   116.4    10.4    20.7
...
2018 08 27    21 27 25.8 +50 45 51   4.5345  5.0859   117.9    10.1    20.8
...
2018 09 11    21 11 24.5 +50 34 20   4.6247  5.1820   118.6     9.8    20.8

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P69



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