[Iaude] MPEC B02: 2012 XF55 [a=1.28,e=0.25,i=1.5,H=22.8]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Wed Jan 16 07:07:16 EST 2019


M.P.E.C. 2019-B02                                Issued 2019 Jan. 16, 12:03 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


                                   2012 XF55
 
                           Revision to MPEC 2012-X42
 
Additional Observations:
     K12X55F  C2016 07 13.48945920 39 42.154-14 51 10.69         22.4 GVEB002F51
     K12X55F  C2016 07 13.50109820 39 40.605-14 51 14.70         22.2 GVEB002F51
     K12X55F  C2016 08 07.34793719 49 49.144-17 16 31.72         23.3 GVEB002F51
     K12X55F  C2016 08 07.36003719 49 47.914-17 16 34.96         22.8 GVEB002F51
     K12X55F  C2016 08 07.38430519 49 45.466-17 16 41.91         21.8 GVEB002F51
 
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
160713 F51 17.2+  4.6+    160807 F51 16.1+  3.5+    MPO285765   -0.0060 day
 
Orbital elements:
2012 XF55                                                Earth MOID = 0.0216 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M  91.12292              (2000.0)            P               Q
n   0.68385083     Peri.  267.32869     -0.93370973     -0.35711941
a   1.2759347      Node   251.74694     +0.33824401     -0.85648295
e   0.2501246      Incl.    1.54056     +0.11737604     -0.37269649
P   1.44           H   22.8           G   0.15           U   0
Residuals in seconds of arc
121207 F51  0.1+  0.0     130104 291  0.1+  0.5+    130508 H21  0.1+  0.0
121207 F51  0.3+  0.3+    130104 291  0.1-  0.3+    130508 H21  0.5+  0.1-
121207 F51  0.3+  0.1+    130105 H21  0.0   0.1-    130508 H21  0.4+  0.1+
121207 F51  0.2+  0.1+    130105 H21  0.0   0.0     130513 703  0.4+  0.0
121208 291  0.2+  0.2+    130105 H21  0.2-  0.5-    130513 703 (0.9-  1.8+)
121208 291  0.1+  0.2+    130202 568  0.0   0.1-    130513 703  0.1+  0.6+
121208 291  0.2-  0.2+    130202 568  0.1+  0.1-    130513 703  0.5+  0.2-
121210 291  0.1+  0.2+    130202 568  0.0   0.0     130530 807  0.4+  0.0
121210 291  0.5-  0.4+    130207 291  0.2-  0.2+    130530 807  0.3+  0.0
121210 291  1.1-  0.3+    130207 291  0.2-  0.2+    130530 807  0.2+  0.0
121211 291  0.4-  0.3+    130207 291  0.1+  0.2+    130530 807  0.2+  0.0
121211 291  0.4+  0.1-    130408 291  0.2-  0.6+    130530 807  0.3+  0.1-
121211 291  0.3+  0.4+    130408 291  1.4-  1.0+    130706 568  0.0   0.1+
121212 291  0.6-  0.4+    130414 204  0.5+  1.5-    130706 568  0.1-  0.1+
121212 291  0.2+  0.4+    130414 204  0.2+  0.8-    130706 568  0.1-  0.2+
121212 291  0.4-  0.2+    130426 H21  0.7+  0.2+    160713 F51  0.3-  0.1+
121213 G96  0.3-  0.4-    130426 H21  0.3+  0.1-    160713 F51  0.3-  0.1+
121213 G96  0.3+  0.6+    130426 H21  0.0   0.6-    160807 F51  0.4+  0.2-
121213 G96  0.3+  0.3+    130503 703  0.2-  0.2-    160807 F51  0.2+  0.1+
121213 G96  0.0   0.2-    130503 703  0.0   0.7-    160807 F51  0.1+  0.2+
130104 291  0.4-  0.1-    130508 H21  0.1+  0.1-

Ephemeris:
2012 XF55                a,e,i = 1.28, 0.25, 2                   q = 0.9568
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 17    14 06 14.0 -14 04 44   1.2085  0.9570    50.5    52.5    25.0
...
2019 01 01    15 09 30.0 -18 52 42   1.2446  0.9686    49.9    50.9    25.1
...
2019 01 09    15 43 09.6 -20 49 13   1.2650  0.9818    49.9    50.0    25.1
...
2019 01 15    16 08 12.4 -21 58 27   1.2801  0.9945    50.0    49.3    25.2
2019 01 16    16 12 21.5 -22 08 28   1.2826  0.9968    50.1    49.2    25.2
2019 01 17    16 16 30.0 -22 18 02   1.2850  0.9992    50.1    49.1    25.2
...
2019 01 23    16 41 09.5 -23 06 27   1.2992  1.0147    50.5    48.4    25.2
...
2019 01 31    17 13 23.8 -23 47 26   1.3163  1.0383    51.2    47.7    25.3
...
2019 02 15    18 11 06.6 -23 57 30   1.3404  1.0892    53.2    46.6    25.4

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B02



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