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    • MPEC 2012-U89 : 2012 UX136

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    M.P.E.C. 2012-U89                                Issued 2012 Oct. 24, 18:18 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

                                  2012 UX136

Observations:
     K12UD6X*QC2012 10 22.66271 03 01 05.08 -19 50 12.9          19.9 VrEU089E12
     K12UD6X QC2012 10 22.67404 03 01 05.68 -19 50 38.9          19.7 VrEU089E12
     K12UD6X QC2012 10 22.69700 03 01 06.68 -19 51 32.1          20.0 VrEU089E12
     K12UD6X QC2012 10 23.49248 03 03 06.30 -20 25 20.5                rEU089E12
     K12UD6X QC2012 10 23.49734 03 03 06.69 -20 25 34.8                rEU089E12
     K12UD6X QC2012 10 23.50230 03 03 07.10 -20 25 50.2          20.2 VrEU089E12
     K12UD6X KC2012 10 24.32597003 04 55.41 -21 09 29.5          19.5 VvEU089H21
     K12UD6X KC2012 10 24.33008103 04 55.73 -21 09 42.0          18.8 VvEU089H21
     K12UD6X KC2012 10 24.33415403 04 56.06 -21 09 53.5          18.9 VvEU089H21
     K12UD6X KC2012 10 24.33806603 04 56.33 -21 10 04.9          19.4 VvEU089H21
     K12UD6X QC2012 10 24.47926 03 05 35.39 -21 12 38.0                rEU089E12
     K12UD6X QC2012 10 24.48436 03 05 35.94 -21 12 55.6                rEU089E12

Observer details:
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Vorobjov, L. Buzzi, S. Foglia.  0.61-m f/4.0 astrograph + CCD.

Orbital elements:
2012 UX136                                               Earth MOID = 0.0066 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 279.28262              (2000.0)            P               Q
n   0.86114079     Peri.   63.81347     -0.36392761     -0.92976986
a   1.0941746      Node    47.64355     +0.82549640     -0.34958266
e   0.1864467      Incl.    4.31037     +0.43140746     -0.11541222
P   1.14           H   25.1           G   0.15           U   6
Residuals in seconds of arc
121022 E12  0.5-  0.2-    121023 E12  0.1-  0.2+    121024 H21  0.0   0.3+
121022 E12  0.9+  0.3+    121023 E12  0.3+  0.3-    121024 H21  0.5-  0.2+
121022 E12  0.3-  0.1-    121024 H21  0.3-  0.4+    121024 E12  0.1-  0.0
121023 E12  0.2-  0.1-    121024 H21  0.3-  0.1-    121024 E12  0.3+  0.0

Ephemeris:
2012 UX136               a,e,i = 1.09, 0.19, 4                   q = 0.8902
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 09 24    02 29 48.5 -10 49 17   0.1404  1.1173   142.1    33.5    22.5
...
2012 10 09    02 44 29.4 -14 12 03   0.08551 1.0714   146.7    30.8    21.2
...
2012 10 17    02 52 33.8 -16 53 40   0.05908 1.0464   146.6    31.6    20.4
...
2012 10 23    03 01 50.4 -20 04 54   0.04030 1.0278   144.0    34.7    19.6
2012 10 24    03 04 09.0 -20 49 58   0.03724 1.0247   143.2    35.5    19.5
2012 10 25    03 06 51.5 -21 41 34   0.03421 1.0216   142.3    36.5    19.3
...
2012 10 31    03 45 51.9 -32 16 39   0.01661 1.0033   129.4    49.8    18.1
...
2012 11 08    13 16 17.2 -16 36 34   0.01184 0.9799    23.2   156.5    25.3
...
2012 11 23    14 27 44.3 +06 39 37   0.05721 0.9409    34.5   143.5    26.1

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-U89

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