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  • MPEC 2018-S66 : 2017 WV13

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    M.P.E.C. 2018-S66                                Issued 2018 Sept. 28, 03:47 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
    
                                       2017 WV13
    
                              Revision to MPEC 2017-W144
    
    Additional Observations:
         K17W13V KC2018 09 09.50328400 32 06.365+25 29 13.34         24.37GVES066T12
         K17W13V KC2018 09 15.54944100 20 44.229+24 42 27.15         24.68GVES066T12
    
    Observer details:
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. J. Tholen,
        D. Hung.  Measurer D. J. Tholen.  2.24-m f/10.1 reflector + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    180909 T12 43.0-  4.8-    180915 T12 43.1-  6.2-    MPO435149   +0.12 day
    
    Orbital elements:
    2017 WV13                                           PHA, Earth MOID = 0.0090 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M 300.43319              (2000.0)            P               Q
    n   0.67399000     Peri.  298.06306     -0.95999894     +0.19498145
    a   1.2883497      Node   253.76562     -0.11961633     -0.93449392
    e   0.6769100      Incl.   12.08158     -0.25316785     -0.29783107
    P   1.46           H   21.1           G   0.15           U   4
    Residuals in seconds of arc
    171121 G96  0.1+  0.1+    171122 113  0.5+  0.4-    171204 203  0.2-  0.3+
    171121 G96  0.3+  0.0     171122 033  0.2-  0.1-    171204 203  0.0   0.5-
    171121 G96  0.1-  0.0     171122 033  0.1+  0.0     171204 G40  0.4-  0.2+
    171121 G96  0.2+  0.0     171122 033  0.0   0.1-    171204 G40  0.5-  0.1-
    171121 I52  0.1-  0.1+    171122 033  0.0   0.1-    171205 G40  0.1-  0.3-
    171121 I52  0.0   0.2-    171122 033  0.0   0.0     171205 204  0.0   0.2-
    171121 I52  0.1+  0.1+    171122 033  0.0   0.1-    171205 204  0.3+  0.1-
    171121 I52  0.1+  0.1+    171123 703  0.2+  0.7-    171205 204  0.1+  0.3-
    171121 104  0.3-  0.5-    171123 703  0.3-  0.5-    171207 H21  0.5-  0.3+
    171121 104  0.0   0.6-    171123 703  0.8+  0.2-    171207 H21  0.1-  0.6+
    171121 104  0.6+  0.4-    171123 703  0.2+  0.4+    171207 H21  0.4-  0.5+
    171122 H01  0.0   0.1-    171123 033  0.1-  0.2+    171207 H21  0.3-  0.2+
    171122 H01  0.1-  0.1+    171123 033  0.1+  0.1-    171207 H21  0.3-  0.4+
    171122 H01  0.0   0.1-    171123 033  0.2-  0.1+    171207 H21  0.2-  0.4+
    171122 H01  0.2+  0.1+    171123 C43  0.6-  1.0+    171207 H21  0.3-  0.3+
    171122 H21  0.2+  0.1-    171123 C43  0.2-  0.3-    171208 H21  0.2-  0.2-
    171122 H21  0.0   0.1+    171123 C43  0.6-  0.6+    171208 H21  0.2-  0.1-
    171122 H21  0.3+  0.1-    171123 246  0.3+  0.9+    171208 H21  0.0   0.2-
    171122 I52  0.8-  0.2-    171123 246  0.1-  0.1+    171208 H21  0.1+  0.2-
    171122 I52  0.3-  0.5+    171124 926  0.3-  0.2+    171208 703  0.0   0.5-
    171122 I52  0.1+  0.0     171124 926  0.5-  0.3+    171208 703  0.4+  0.2-
    171122 I52  0.4+  0.2+    171124 926  0.3-  0.2+    171208 703  0.2+  0.8-
    171122 H36  0.2+  0.4-    171126 130  0.1-  0.4+    171208 703  0.0   0.3-
    171122 H36  0.2+  0.0     171126 130  0.0   0.1-    171211 T05  1.0-  0.7+
    171122 H36  0.1-  0.2-    171126 130  0.1+  0.0     171211 T05  0.2-  0.2-
    171122 926  0.1-  0.2+    171126 130  0.1-  0.1-    171211 T05  1.1+  1.2+
    171122 926  0.1-  0.1+    171127 I52  0.1+  0.1-    171211 T05  0.0   0.3+
    171122 926  0.1+  0.1+    171127 I52  0.1+  0.2-    171215 I52  0.2+  0.3-
    171122 K61 (2.0-  1.2-)   171127 I52  0.1+  0.2-    171215 I52  0.6+  0.4-
    171122 K61  0.5-  0.5-    171127 I52  0.1-  0.2-    171215 I52  0.5+  0.1-
    171122 K61  0.3-  0.6-    171127 V06  0.2+  0.1+    171215 I52  0.2+  0.4-
    171122 K61  0.0   0.8-    171127 V06  0.0   0.0     171220 I52  0.3+  1.0+
    171122 246  0.3+  0.4+    171127 V06  0.0   0.0     171220 I52  0.1-  0.2-
    171122 246 (2.0-  0.9-)   171127 V06  0.1+  0.0     171220 I52  0.2+  0.8+
    171122 246  0.7-  0.4+    171128 G96  0.2+  0.0     171220 I52  0.5+  0.6-
    171122 246  1.1+  0.4+    171128 G96  0.1+  0.4-    171220 291  0.6-  0.0
    171122 246  0.5+  1.0+    171128 G96  0.4-  0.1+    171220 291  0.3+  0.2-
    171122 246  0.0   0.0     171128 G96  0.1-  0.0     180909 T12  0.0   0.2-
    171122 246  0.9+  0.7-    171201 H21  0.1+  0.2+    180915 T12  0.0   0.2-
    171122 246  0.6+  1.3+    171201 H21  0.2+  0.2+
    171122 113  0.6-  0.1+    171201 H21  0.3+  0.2-
    
    Ephemeris:
    2017 WV13                a,e,i = 1.29, 0.68, 12                  q = 0.4163
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 29    00 50 31.2 +26 10 03   1.2741  2.0763   130.4    21.7    24.3
    ...
    2018 09 13    00 25 38.2 +25 04 22   1.1948  2.1122   147.2    15.0    23.9
    ...
    2018 09 21    00 09 58.8 +23 45 13   1.1747  2.1272   154.9    11.5    23.8
    ...
    2018 09 27    23 58 02.6 +22 27 13   1.1716  2.1366   158.7     9.8    23.7
    2018 09 28    23 56 04.8 +22 12 53   1.1721  2.1380   159.0     9.7    23.7
    2018 09 29    23 54 07.8 +21 58 12   1.1729  2.1394   159.2     9.6    23.7
    ...
    2018 10 05    23 42 51.0 +20 24 05   1.1844  2.1467   158.6     9.8    23.8
    ...
    2018 10 13    23 29 28.4 +18 08 31   1.2166  2.1540   153.0    12.1    23.9
    ...
    2018 10 28    23 11 36.3 +13 59 15   1.3234  2.1604   137.2    18.2    24.3
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-S66
    

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