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  • MPEC 2016-U98 : 2013 WN67

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    M.P.E.C. 2016-U98                                Issued 2016 Oct. 29, 17:31 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
    
                                       2013 WN67
    
                               Revision to MPEC 2013-X15
    
    Additional Observations:
         K13W67N |C2016 10 28.17351 00 36 12.40 -06 27 48.2          22.8 VuEU098807
         K13W67N |C2016 10 28.18829 00 36 11.45 -06 27 47.6          23.1 VuEU098807
         K13W67N |C2016 10 28.20262 00 36 10.50 -06 27 47.1          23.0 VuEU098807
         K13W67N |C2016 10 29.13644 00 35 12.55 -06 26 57.6          22.9 VuEU098807
         K13W67N |C2016 10 29.15311 00 35 11.52 -06 26 56.5          23.0 VuEU098807
         K13W67N |C2016 10 29.16968 00 35 10.47 -06 26 55.3          22.8 VuEU098807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
        + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc, reference and Delta-T
    161028 807  0.8+  1.4+    161029 807  0.5+  0.8+    MPO292211   -0.0015 day
    
    Orbital elements:
    2013 WN67                                                Earth MOID = 0.3396 AU
    Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
    M 229.87104              (2000.0)            P               Q
    n   0.27949924     Peri.  129.58876     -0.90580048     -0.37063272
    a   2.3167667      Node    30.36011     +0.13743347     -0.71539198
    e   0.4630144      Incl.   23.96815     +0.40079613     -0.59232230
    P   3.53           H   18.2           G   0.15           U   2
    Residuals in seconds of arc
    131127 F51  0.2+  0.1-    131210 291  0.3+  0.2+    140210 291  0.0   0.0
    131127 F51  0.0   0.1-    131210 291  0.2-  0.2-    140311 291  0.0   0.0
    131128 F51  0.2-  0.0     131210 291  0.0   0.1+    140311 291  0.1-  0.3+
    131128 F51  0.1-  0.1-    131222 568  0.0   0.0     140311 291  0.0   0.0
    131128 F51  0.1+  0.2+    131222 568  0.0   0.0     140409 291  0.2-  0.2+
    131128 291  0.0   0.2+    131222 568  0.0   0.0     140409 291  0.2+  0.0
    131128 291  0.0   0.2+    131223 291  0.6-  0.5-    140409 291  0.1-  0.1+
    131130 H21  0.2-  0.0     131223 291  0.0   0.1+    161028 807  0.2+  0.6+
    131130 H21  0.2-  0.1+    131227 291  0.2+  0.1-    161028 807  0.1+  0.4+
    131130 H21  0.0   0.4-    131227 291  0.0   0.3+    161028 807  0.4-  0.2+
    131201 H21  0.2+  0.3-    140122 H21  0.4+  0.2-    161029 807  0.4-  0.3-
    131201 H21  0.3+  0.1+    140122 H21  0.0   0.1+    161029 807  0.0   0.2-
    131202 H21  0.3+  0.0     140122 H21  0.1-  0.3+    161029 807  0.1-  0.0
    131202 204  0.1+  0.0     140210 291  0.1-  0.1-
    131203 204  0.7-  0.7-    140210 291  0.0   0.1-
    
    Ephemeris:
    2013 WN67                a,e,i = 2.32, 0.46, 24                  q = 1.2441
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2016 09 29    01 09 52.2 -05 51 37   2.0657  3.0459   165.5     4.7    22.6
    ...
    2016 10 14    00 52 15.5 -06 23 48   2.0286  3.0007   164.2     5.2    22.6
    ...
    2016 10 22    00 42 56.4 -06 29 49   2.0371  2.9754   156.3     7.7    22.7
    ...
    2016 10 28    00 36 23.4 -06 27 59   2.0557  2.9558   149.6     9.8    22.8
    2016 10 29    00 35 21.1 -06 27 07   2.0598  2.9525   148.5    10.1    22.8
    2016 10 30    00 34 19.8 -06 26 05   2.0641  2.9492   147.3    10.5    22.8
    ...
    2016 11 05    00 28 36.5 -06 16 27   2.0954  2.9291   140.5    12.4    22.9
    ...
    2016 11 13    00 22 13.5 -05 54 30   2.1497  2.9015   131.5    14.8    23.0
    ...
    2016 11 28    00 14 38.5 -04 47 23   2.2818  2.8474   115.4    18.2    23.2
    
    A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-U98
    

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