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  • MPEC 2018-R03 : 2017 UX51

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    M.P.E.C. 2018-R03                                Issued 2018 Sept. 1, 05:10 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 UX51
    
                               Revision to MPEC 2017-V47
    
    Additional Observations:
         K17U51X  C2015 12 05.21711 01 40 13.338+32 45 43.52         22.3 GVER003F51
         K17U51X  C2015 12 05.22813 01 40 13.208+32 45 41.31         22.8 GVER003F51
         K17U51X  C2015 12 05.23918 01 40 13.077+32 45 39.25         23.2 GVER003F51
         K17U51X  C2015 12 05.25034 01 40 12.943+32 45 36.94         22.5 GVER003F51
         K17U51X  C2015 12 06.21621 01 40 01.598+32 42 25.58         22.6 GVER003F51
         K17U51X  C2015 12 06.22883 01 40 01.457+32 42 23.13         22.3 GVER003F51
         K17U51X  C2015 12 06.25104 01 40 01.177+32 42 18.86         22.3 GVER003F51
         K17U51X  C2016 10 08.39602 02 08 36.558+28 36 14.95         21.7 GVER003F51
         K17U51X  C2016 10 08.40729 02 08 36.355+28 36 13.47         22.1 GVER003F51
         K17U51X  C2016 10 08.41861 02 08 36.144+28 36 11.88         21.8 GVER003F51
         K17U51X  C2016 10 08.43001 02 08 35.940+28 36 10.36         22.2 GVER003F51
         K17U51X  C2017 08 04.59232 02 32 12.838+22 08 52.29         21.7 GVER003F51
         K17U51X  C2017 08 04.60475 02 32 12.865+22 08 51.77         21.8 GVER003F51
         K17U51X  C2017 11 13.43555 02 10 49.696+18 04 05.27         20.7 GVER003F51
         K17U51X  C2017 12 07.20786 02 04 11.831+16 41 45.72         21.4 GVER003F51
         K17U51X  C2017 12 07.23541 02 04 11.447+16 41 40.60         21.5 GVER003F51
         K17U51X  C2017 12 07.24917 02 04 11.254+16 41 37.82         21.6 GVER003F51
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, B. Gibson,
        T. Goggia, T. Lowe, E. Magnier, N. Primak, A. Schultz, J. Thiel,
        S. Watters, M. Willman.  Measurers S. Chastel, M. Huber, R. Jedicke,
        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
    151205 F51  3.7-  0.8+    171207 F51  0.1+  0.1-    MPO438039   +0.21 day
    
    Orbital elements:
    2017 UX51
    Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
    M 350.37904              (2000.0)            P               Q
    n   0.00594229     Peri.  255.04305     +0.20944392     -0.76195986
    a  30.1879316      Node   217.79573     +0.52289920     -0.44230570
    e   0.7478958      Incl.   90.53209     -0.82626247     -0.47305690
    P 165.86           H   10.9           G   0.15           U   1
    Residuals in seconds of arc
    151205 F51  0.0   0.1+    171028 V06  0.2-  0.0     171122 F51  0.2+  0.2+
    151205 F51  0.0   0.0     171028 V06  0.2+  0.1+    171122 F51  0.2+  0.2-
    151205 F51  0.1+  0.1+    171028 V06  0.1+  0.2-    171207 F51  0.0   0.3-
    151205 F51  0.1+  0.0     171028 691  0.2-  0.0     171207 F51  0.1+  0.0
    151206 F51  0.1-  0.1-    171028 691  0.6-  0.1-    171207 F51  0.2+  0.1-
    151206 F51  0.0   0.0     171028 691  0.3+  1.0+    171210 568  0.2+  0.1-
    151206 F51  0.2-  0.1+    171031 695  0.0   0.2+    171210 568  0.2+  0.1-
    161008 F51  0.0   0.2-    171031 695  0.0   0.3+    180120 691  0.7+  0.4-
    161008 F51  0.0   0.1-    171031 695  0.0   0.2+    180120 691  0.4-  0.1+
    161008 F51  0.1-  0.1-    171110 Z84  0.2+  0.0     180122 291  0.4-  0.7-
    161008 F51  0.1-  0.1-    171110 Z84  0.2+  0.0     180122 291  0.2-  0.1+
    170804 F51  0.2-  0.1-    171110 Z84  0.3+  0.2-    180122 291  0.8-  0.1+
    170804 F51  0.0   0.0     171112 711  0.0   0.3+    180204 691  0.1+  0.1+
    171018 F51  0.2-  0.0     171112 711  0.1-  0.2+    180204 691  0.1-  0.5-
    171018 F51  0.0   0.1+    171112 711  0.2-  0.2+    180204 691  0.2-  0.1+
    171018 F51  0.1-  0.1+    171113 U69  0.0   0.5-    180205 691  0.0   0.2+
    171027 F51  0.4+  0.2+    171113 U69  0.1-  0.3-    180205 691  0.1-  0.0
    171027 F51  0.0   0.2-    171113 U69  0.4+  0.2+    180205 691  0.5-  0.6-
    171027 F51  0.1+  0.1-    171113 F51  0.3-  0.3+    180206 691  0.0   0.2+
    171027 F51  0.1+  0.0     171122 F51  0.2+  0.1+    180206 691  0.3+  0.2+
    171028 V06  0.1-  0.0     171122 F51  0.2+  0.1+    180206 691  0.5-  0.2+
    
    Ephemeris:
    2017 UX51                a,e,i = 30.19, 0.75, 91                 q = 7.6105
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 08 02    02 46 51.1 +12 41 43  10.8013 10.7829    86.3     5.4    21.7
    ...
    2018 08 17    02 47 14.7 +12 08 40  10.4986 10.7327   100.7     5.3    21.6
    ...
    2018 08 25    02 46 53.7 +11 47 45  10.3413 10.7060   108.6     5.1    21.5
    ...
    2018 08 31    02 46 22.5 +11 30 35  10.2273 10.6860   114.5     4.9    21.5
    2018 09 01    02 46 16.0 +11 27 36  10.2087 10.6826   115.5     4.9    21.5
    2018 09 02    02 46 09.1 +11 24 35  10.1903 10.6793   116.5     4.8    21.5
    ...
    2018 09 08    02 45 20.1 +11 05 47  10.0826 10.6593   122.6     4.6    21.5
    ...
    2018 09 16    02 43 54.8 +10 38 54   9.9486 10.6327   130.8     4.1    21.4
    ...
    2018 10 01    02 40 18.5 +09 43 42   9.7348 10.5830   146.4     3.0    21.3
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-R03
    

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