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  • MPEC 2018-B143: 2017 XO2

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    M.P.E.C. 2018-B143                               Issued 2018 Jan. 27, 22:03 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2017 XO2
    
                              Revision to MPEC 2017-X121
    
    Additional Observations:
         K17X02O tC2011 11 05.59052807 40 03.481-03 26 12.24         20.0 GUEB143F51
         K17X02O tC2011 11 05.60233707 39 54.419-03 27 17.80               UEB143F51
         K17X02O  C2011 11 25.49526405 04 11.871-17 40 17.08         20.0 GUEB143F51
         K17X02O  C2011 11 25.50759105 04 08.400-17 40 22.68         20.0 GUEB143F51
         K17X02O  C2011 12 01.45392804 41 44.525-17 56 26.00         20.3 GUEB143F51
         K17X02O  C2011 12 02.41511504 38 46.579-17 54 11.33         20.8 GUEB143F51
         K17X02O  C2011 12 02.42768904 38 44.119-17 54 09.21         20.8 GUEB143F51
         K17X02O  C2011 12 06.42625104 27 59.395-17 34 01.78         21.4 GUEB143F51
         K17X02O  C2011 12 06.43883404 27 57.441-17 33 56.48         21.2 GUEB143F51
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers N. Primak, A. Schultz, S. Watters,
        J. Thiel, T. Goggia.  Measurer M. Micheli.  1.8-m Ritchey-Chretien + CCD.
    
    Orbital elements:
    2017 XO2                                                 Earth MOID = 0.0002 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 356.63677              (2000.0)            P               Q
    n   0.81853068     Peri.   93.71843     +0.65054656     +0.74332209
    a   1.1318253      Node   218.37657     -0.75743528     +0.62002538
    e   0.3642116      Incl.   14.53033     -0.05550650     +0.25107926
    P   1.20           H   22.4           G   0.15           U   2
    Residuals in seconds of arc
    111105 F51  0.1-  0.1+    171211 H21  0.2+  0.2-    171216 291  0.3-  0.2+
    111105 F51  0.1+  0.0     171211 568  0.0   0.1-    171218 J04  0.3+  0.1+
    111125 F51  0.2-  0.1+    171211 568  0.0   0.0     171218 J04  0.2-  0.4-
    111125 F51  0.1+  0.1+    171211 568  0.0   0.0     171218 J04  0.0   0.0
    111201 F51  0.0   0.0     171213 691  0.3+  0.8-    171220 291  0.4+  0.1-
    111202 F51  0.1+  0.1+    171213 691  0.3+  0.4-    171220 291  0.1-  0.1-
    111202 F51  0.1+  0.1+    171213 691  0.2+  0.4-    171220 291  0.3+  0.3+
    111206 F51  0.1-  0.1-    171214 807  0.2-  0.4-    171223 807  0.1+  0.1-
    111206 F51  0.0   0.1-    171214 807  0.1+  0.7-    171223 807  0.1+  0.0
    171210 F51  0.2-  0.1-    171214 807  0.2+  0.9-    171223 807  0.1+  0.1-
    171210 F51  0.1-  0.1-    171214 291  0.0   0.0     180120 T14  0.0   0.0
    171210 F51  0.1-  0.0     171214 291  0.2+  0.1+    180120 T14  0.0   0.0
    171210 F51  0.0   0.0     171214 291  0.4+  0.0     180120 T14  0.0   0.0
    171211 H21  0.3-  0.6-    171216 291  0.1-  0.3+
    171211 H21  0.0   0.0     171216 291  0.4-  0.2+
    
    Ephemeris:
    2017 XO2                 a,e,i = 1.13, 0.36, 15                  q = 0.7196
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 12 28    03 03 21.9 -11 54 26   0.4646  1.2753   119.0    42.4    22.9
    ...
    2018 01 12    03 23 36.1 -07 36 56   0.6164  1.3441   112.3    42.6    23.6
    ...
    2018 01 20    03 35 04.5 -05 28 33   0.7005  1.3767   108.5    42.7    24.0
    ...
    2018 01 26    03 44 05.7 -03 56 27   0.7646  1.3994   105.6    42.7    24.2
    2018 01 27    03 45 37.9 -03 41 29   0.7754  1.4030   105.1    42.7    24.2
    2018 01 28    03 47 10.8 -03 26 37   0.7861  1.4065   104.6    42.6    24.3
    ...
    2018 02 03    03 56 40.0 -01 59 45   0.8511  1.4270   101.7    42.6    24.5
    ...
    2018 02 11    04 09 50.7 -00 10 18   0.9384  1.4517    97.8    42.3    24.7
    ...
    2018 02 26    04 36 11.8 +02 54 05   1.1020  1.4903    90.7    41.6    25.1
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-B143
    

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