[Iaude] MPEC P70: 2005 WF57 [a=2.64,e=0.58,i=10.9,H=19.1]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Aug 12 14:59:16 EDT 2018


M.P.E.C. 2018-P70                                Issued 2018 Aug. 12, 18:56 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


                                   2005 WF57
 
                           Revision to MPEC 2005-X01
 
Additional Observations:
     K05W57F  C2018 08 11.54571 01 39 33.84 -38 53 42.5          19.0 cUEP070T05
     K05W57F  C2018 08 11.56034 01 39 38.71 -38 53 35.8          19.2 cUEP070T05
     K05W57F  C2018 08 11.56859 01 39 41.54 -38 53 32.0          19.2 cUEP070T05
     K05W57F  C2018 08 11.57499 01 39 43.67 -38 53 28.9          19.2 cUEP070T05
     K05W57F  C2018 08 11.58421 01 39 46.77 -38 53 24.8          19.2 cUEP070T05
     K05W57F |C2018 08 12.35639 01 44 16.44 -38 46 27.9          19.1 GUEP070807
     K05W57F |C2018 08 12.35777 01 44 16.92 -38 46 27.1          19.1 GUEP070807
     K05W57F |C2018 08 12.35952 01 44 17.51 -38 46 26.2          18.9 GUEP070807
     K05W57F |C2018 08 12.36125 01 44 18.08 -38 46 25.2          19.2 GUEP070807
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  1.00-m f/10.0 astrograph
    + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, H. Flewelling, A. Heinze,
    H. Weiland, J. Tonry.  Measurers L. Denneau, H. Flewelling, A. Heinze,
    J. Tonry, A. Fitzsimmons, D. Young.  0.5-m f/2.0 Schmidt + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
180811 T05   16+   13+    180812 807   16+   13+    MPO 97989   -5.7 day
 
Orbital elements:
2005 WF57                                                Earth MOID = 0.1683 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 318.25305              (2000.0)            P               Q
n   0.22959014     Peri.  307.09126     +0.97950381     -0.11629789
a   2.6413983      Node    60.13505     +0.18219606     +0.85969987
e   0.5836688      Incl.   10.93204     -0.08588877     +0.49738409
P   4.29           H   19.1           G   0.15           U   2
Residuals in seconds of arc
051130 704  0.1+  0.9+    051201 704  0.2-  0.5+    051205 704  0.1+  0.1+
051130 704  0.7+  0.9+    051201 704  0.8-  0.1-    051205 704  0.7-  1.4+
051130 704  0.2-  0.1+    051201 704  0.8-  0.3+    051207 A50  0.4+  0.2-
051130 704  0.1+  0.2+    051201 G96  0.0   0.2-    051207 A50  0.2+  0.3-
051130 147  0.2-  0.1-    051201 G96  0.1+  0.2-    051207 A50  0.4+  0.1+
051130 147  0.1+  0.1-    051201 704  0.7-  0.4+    051207 A50  0.2+  0.1+
051130 147 (2.2+  1.6+)   051201 G96  0.3+  0.1-    051207 A50  0.9+  0.2+
051130 932  0.7+  0.0     051201 G96  0.3+  0.1-    051215 448  0.5+  0.4-
051130 932  0.5+  0.0     051202 704  0.7-  0.8-    051215 448  0.9-  0.2-
051130 932  0.7+  0.1-    051202 704  0.2+  0.3+    051215 448  0.7+  0.9-
051201 704  1.2-  0.3-    051202 704  0.1+  0.0     051228 682 (1.0+  3.4+)
051201 651  0.0   0.0     051202 704  0.2-  0.0     051228 682 (2.3+  1.6+)
051201 651  0.3-  0.2-    051202 704  0.0   0.7+    060121 291  0.1-  0.2+
051201 651  0.3-  0.1+    051204 704  1.1+  0.0     060121 291 (0.5-  2.4+)
051201 704  0.9-  0.8+    051204 704  0.8+  0.0     060121 291  0.1-  0.1+
051201 704  0.5-  0.4-    051204 448  0.4+  0.3-    180811 T05  0.2+  0.4-
051201 704  0.8-  0.0     051204 448  1.4-  1.1-    180811 T05  0.4-  0.2-
051201 682 (1.4+  2.5+)   051204 448  1.1-  0.9-    180811 T05  0.2+  0.1-
051201 G96  0.2+  0.2-    051204 704  1.4+  0.1+    180811 T05  0.0   0.1+
051201 704  0.6-  0.5-    051204 G96  0.2+  0.1-    180811 T05  0.1+  0.0
051201 G96  0.5+  0.0     051204 704  1.4+  0.8-    180812 807  0.1-  0.1+
051201 682 (1.4+  2.6+)   051204 G96  0.3+  0.0     180812 807  0.1+  0.2+
051201 G96  0.3-  0.1+    051204 G96  0.3+  0.1-    180812 807  0.1+  0.1+
051201 704  0.7-  0.1-    051204 G96  0.1+  0.2-    180812 807  0.1-  0.2+
051201 G96  0.2+  0.2-    051205 704 (1.6-  0.2+)
051201 682 (1.3+  2.4+)   051205 704  0.1-  0.9+

Ephemeris:
2005 WF57                a,e,i = 2.64, 0.58, 11                  q = 1.0997
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 07 13    23 12 14.9 -36 10 40   0.4938  1.3849   129.7    34.4    19.7
...
2018 07 28    00 19 17.7 -38 48 28   0.3911  1.2877   126.7    39.2    19.2
...
2018 08 05    01 02 03.3 -39 18 43   0.3502  1.2413   123.2    43.1    19.0
...
2018 08 11    01 36 22.2 -38 57 31   0.3255  1.2098   120.0    46.5    18.8
2018 08 12    01 42 11.3 -38 49 34   0.3219  1.2048   119.5    47.1    18.8
2018 08 13    01 48 01.0 -38 40 16   0.3184  1.1999   118.9    47.7    18.8
...
2018 08 19    02 22 53.0 -37 14 49   0.3000  1.1727   115.4    51.2    18.7
...
2018 08 27    03 07 21.7 -34 01 25   0.2821  1.1423   111.0    55.7    18.7
...
2018 09 11    04 17 16.9 -24 39 52   0.2648  1.1065   105.3    61.4    18.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-P70



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