• MPC Preparation (Info)

  • MPEC 2013-X11 : 1998 WP7 = 2013 WS45

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    M.P.E.C. 2013-X11                                Issued 2013 Dec. 2, 13:25 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
       on behalf of Commission 20 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
    
                                 1998 WP7 = 2013 WS45
    
                               Revision to MPEC 1998-W40
    
    Additional Observations:
         K13W45S |C2013 12 02.13235 04 56 54.38 -01 19 13.7          19.9 VuEX011807
         K13W45S |C2013 12 02.13609 04 56 53.72 -01 19 19.0          20.2 VuEX011807
         K13W45S |C2013 12 02.13933 04 56 53.15 -01 19 23.7          19.9 VuEX011807
    
    Observer details:
    807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.41-m f/11
        Ritchey-Chretien + CCD.
    
    Orbital elements:
    1998 WP7 = 2013 WS45                                     Earth MOID = 0.1229 AU
    Id. F. Manca
    Epoch 2013 Nov. 4.0 TT = JDT 2456600.5                  MPC
    M  71.66101              (2000.0)            P               Q
    n   0.72650783     Peri.   65.36546     +0.38975785     +0.87408855
    a   1.2254883      Node   230.79692     -0.92047941     +0.36005440
    e   0.4329088      Incl.   21.97138     -0.02839835     +0.32608287
    P   1.36           H   19.9           G   0.15           U   6
    Residuals in seconds of arc
    981123 699  0.6-  1.4+    131128 703  0.0   0.5-    131129 D29  0.1-  0.3-
    981123 699  0.2+  1.4+    131128 703  1.0-  0.2+    131129 D29  0.3-  0.3+
    981123 699  0.4+  1.0+    131128 703  0.9+  0.1+    131129 D29  0.5-  0.1-
    981123 557  0.2+  0.3+    131128 703  0.0   0.1+    131130 807  0.1+  0.2-
    981123 557  0.4+  0.8-    131128 703  0.2+  0.4+    131130 807  0.0   0.2-
    981124 557  0.9+  0.5-    131128 703  0.4-  0.3-    131130 807  0.0   0.2-
    981124 557  0.8+  0.4-    131129 204  0.4-  0.2-    131130 807  0.1+  0.2-
    981125 426  0.9-  0.2+    131129 204  0.2-  0.0     131130 807  0.0   0.2-
    981125 426  0.3-  0.0     131129 204  0.5-  0.6+    131201 807  0.1+  0.1-
    981125 426  0.7-  0.4-    131129 807  0.0   0.1-    131201 807  0.2+  0.0
    981125 360  0.5-  0.7-    131129 807  0.1-  0.2-    131201 807  0.4+  0.0
    981125 360  0.2-  0.1+    131129 807  0.1-  0.1-    131201 807  0.3+  0.2-
    981125 360  0.4-  0.2-    131129 807  0.2-  0.0     131201 807  0.3+  0.2-
    981126 402  0.5-  0.2-    131129 807  0.1-  0.1-    131201 E23  0.6+  0.7+
    981126 402  0.1-  1.2-    131129 H21  0.1-  0.0     131201 E23  0.1+  0.4+
    981126 402  0.3+  0.7-    131129 H21  0.2+  0.1-    131201 E23  0.9+  0.5+
    981126 402  0.6+  0.2-    131129 H21  0.1+  0.1-    131201 E23  1.1+  1.6+
    981127 426  0.0   0.1-    131129 H21  0.0   0.2-    131202 807  0.2-  0.2-
    981127 426  0.6+  0.2-    131129 G96  0.4-  0.4-    131202 807  0.1-  0.0
    981127 426  0.3-  0.8+    131129 G96  0.0   0.1-    131202 807  0.0   0.0
    131128 703  0.4-  0.4+    131129 G96  0.0   0.0
    131128 703  0.4-  0.5-    131129 G96  0.0   0.0
    
    Ephemeris:
    1998 WP7                 a,e,i = 1.23, 0.43, 22                  q = 0.6950
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2013 11 02    06 28 56.1 +17 14 32   0.4241  1.2710   122.4    41.2    20.2
    ...
    2013 11 17    05 44 27.8 +06 51 46   0.4300  1.3633   144.9    24.6    19.9
    ...
    2013 11 25    05 18 36.1 +02 03 34   0.4540  1.4086   153.7    18.1    19.9
    ...
    2013 12 01    05 00 11.2 -00 51 01   0.4828  1.4408   156.1    16.1    20.0
    2013 12 02    04 57 16.9 -01 16 07   0.4884  1.4460   156.0    16.1    20.0
    2013 12 03    04 54 26.0 -01 40 03   0.4944  1.4512   155.9    16.1    20.1
    ...
    2013 12 09    04 38 43.1 -03 39 13   0.5348  1.4812   152.9    17.6    20.3
    ...
    2013 12 17    04 21 56.4 -05 17 59   0.6005  1.5188   145.8    21.3    20.7
    ...
    2014 01 01    04 03 30.0 -06 04 10   0.7515  1.5817   131.0    28.0    21.5
    
    Gareth V. Williams           (C) Copyright 2013 MPC           M.P.E.C. 2013-X11
    

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