[Iaude] MPEC Y76: 2017 MK8 [a=2.50,e=0.67,i=31.6,H=16.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Dec 26 21:01:16 EST 2018


M.P.E.C. 2018-Y76                                Issued 2018 Dec. 27, 01:57 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 MK8
 
                           Revision to MPEC 2017-N32
 
Additional Observations:
     K17M08K  C2013 08 02.50967121 07 14.588+10 01 08.26         22.1 GVEY076F51
     K17M08K  C2013 08 02.52083121 07 13.794+10 01 09.32         21.2 GVEY076F51
     K17M08K  C2013 08 16.33873120 50 31.670+10 04 30.88         21.6 GVEY076F51
     K17M08K  C2013 08 16.35060720 50 30.783+10 04 29.91         22.2 GVEY076F51
     K17M08K  C2013 08 16.44372520 50 23.814+10 04 23.40         21.5 GVEY076F51
     K17M08K  C2013 08 16.45446020 50 23.026+10 04 22.96         21.2 GVEY076F51
     K17M08K  C2016 08 07.37639019 13 25.335-16 54 51.32         23.0 GVEY076F51
 
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.  1.8-m Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
130802 F51  9.4+  9.9+    160807 F51  3.4+  0.9+    MPO428358   +0.0018 day
 
Orbital elements:
2017 MK8                                                 Earth MOID = 0.1600 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  79.65447              (2000.0)            P               Q
n   0.24865670     Peri.  184.73775     -0.36108219     -0.78678590
a   2.5045860      Node   287.14937     +0.87187345     -0.09438509
e   0.6719995      Incl.   31.59283     +0.33084185     -0.60996672
P   3.96           H   16.8           G   0.15           U   2
Residuals in seconds of arc
130802 F51  0.1+  0.1+    170701 H21  0.0   0.1-    170719 H21  0.3-  0.2-
130802 F51  0.1+  0.1+    170701 H21  0.2-  0.0     170720 H21  0.1-  0.1-
130816 F51  0.1+  0.1+    170701 H21  0.4-  0.1+    170720 H21  0.0   0.0
130816 F51  0.1+  0.1-    170702 H21  0.3-  0.4+    170720 H21  0.2+  0.4-
130816 F51  0.2-  0.3-    170702 H21  0.0   0.0     170812 291  0.3-  0.0
130816 F51  0.0   0.0     170702 H21  0.0   0.1+    170812 291  0.0   0.4+
160807 F51  0.2+  0.1-    170702 H21  0.2-  0.0     170812 291  0.2-  0.5+
170623 F51  0.1+  0.0     170704 H21  0.1-  0.2+    170921 926  0.0   0.0
170623 F51  0.1-  0.1-    170704 H21  0.2+  0.0     170921 926  0.0   0.5+
170623 F51  0.1-  0.2-    170704 H21  0.1-  0.2+    170921 I52  0.3-  0.4-
170623 F51  0.0   0.1-    170715 H21  0.2+  0.1+    170921 926  0.1+  0.4+
170626 H21  0.7+  0.3+    170715 H21  0.1-  0.2+    170921 I52  1.3-  0.8-
170626 H21  0.3+  0.3+    170715 H21  0.3+  0.2+    170921 I52  0.0   0.0
170626 H21  0.1+  0.2+    170716 H21  0.1+  0.2+    170921 I52  0.1-  0.4-
170628 T14  0.0   0.1-    170716 H21  0.1+  0.0     171127 291  0.2+  0.2-
170628 T14  0.0   0.2-    170716 H21  0.2-  0.1-    171127 291  0.2+  0.3-
170628 T14  0.0   0.1-    170719 H21  0.1+  0.3-    171127 291  0.4+  0.2+

Ephemeris:
2017 MK8                 a,e,i = 2.50, 0.67, 32                  q = 0.8215
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 11 27    15 43 12.6 -36 49 23   3.1393  2.2132    16.8     7.4    21.5
...
2018 12 12    16 16 56.8 -37 44 15   3.2396  2.3327    19.3     8.0    21.8
...
2018 12 20    16 33 59.4 -38 05 02   3.2788  2.3944    21.9     8.8    21.9
...
2018 12 26    16 46 19.0 -38 17 16   3.3014  2.4398    24.4     9.6    22.0
2018 12 27    16 48 19.9 -38 19 04   3.3046  2.4473    24.8     9.7    22.0
2018 12 28    16 50 20.2 -38 20 47   3.3076  2.4547    25.3     9.9    22.0
...
2019 01 03    17 02 07.5 -38 29 43   3.3221  2.4990    28.2    10.7    22.1
...
2019 01 11    17 17 10.7 -38 38 24   3.3317  2.5569    32.4    11.9    22.2
...
2019 01 26    17 43 11.6 -38 46 43   3.3202  2.6618    41.3    14.1    22.3

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-Y76



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