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    • MPEC 2012-U124: 2012 UB174

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    M.P.E.C. 2012-U124                               Issued 2012 Oct. 31, 17:39 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 UB174

Observations:
     K12UH4B* C2012 10 26.27969 02 05 18.20 -06 40 56.2          18.0 VrEU124G96
     K12UH4B  C2012 10 26.28385 02 05 21.22 -06 42 26.0          18.2 VrEU124G96
     K12UH4B  C2012 10 26.28804 02 05 24.28 -06 43 56.4          18.2 VrEU124G96
     K12UH4B  C2012 10 26.29223 02 05 27.31 -06 45 26.2          17.9 VrEU124G96
     K12UH4B  C2012 10 26.32068 02 05 47.79 -06 55 33.1          18.6 VrEU124G96
     K12UH4B  C2012 10 26.32725 02 05 52.51 -06 57 51.8          18.4 VrEU124G96
     K12UH4B  C2012 10 26.33388 02 05 57.26 -07 00 11.9          18.5 VrEU124G96
     K12UH4B  C2012 10 26.34048 02 06 01.98 -07 02 30.3          18.4 VrEU124G96
     K12UH4B  C2012 10 26.42999 02 07 05.80 -07 33 10.5          18.4 VrEU124G96
     K12UH4B  C2012 10 26.43495 02 07 09.37 -07 34 49.9          18.8 VrEU124G96
     K12UH4B |C2012 10 26.43898 02 07 11.48 -07 36 10.1          18.5 VcEU124H06
     K12UH4B |C2012 10 26.43982 02 07 12.08 -07 36 26.9          18.3 VcEU124H06
     K12UH4B  C2012 10 26.44001 02 07 13.00 -07 36 31.2          18.6 VrEU124G96
     K12UH4B |C2012 10 26.44066 02 07 12.69 -07 36 43.7          18.2 VcEU124H06
     K12UH4B  C2012 10 26.44505 02 07 16.64 -07 38 12.0          18.5 VrEU124G96
     K12UH4B KC2012 10 27.21132 02 16 12.19 -11 20 23.0          18.8 RuEU124H36
     K12UH4B KC2012 10 27.21855 02 16 15.92 -11 22 10.1          17.9 RuEU124H36
     K12UH4B KC2012 10 27.22584 02 16 19.80 -11 23 59.3          18.6 RuEU124H36
     K12UH4B KC2012 10 27.28380202 16 47.42 -11 38 11.3          19.5 VuEU124H21
     K12UH4B KC2012 10 27.28763402 16 49.36 -11 39 06.5          19.4 VuEU124H21
     K12UH4B KC2012 10 27.29133402 16 51.26 -11 40 00.0          19.3 VuEU124H21

Observer details:
G96 Mt. Lemmon Survey.  Observer J. A. Johnson.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
H06 iTelescope Observatory, Mayhill.  Observer H. Sato.  0.51-m f/6.8
    astrograph + CCD + f/4.5 focal reducer.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Vorobjov, L. Buzzi, S. Foglia, T. Linder.  0.61-m f/4.5
    astrograph + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2012 UB174                                               Earth MOID = 0.0157 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M  16.71534              (2000.0)            P               Q
n   0.65368748     Peri.  117.55748     +0.83337094     +0.53006530
a   1.3148895      Node   211.18752     -0.55009756     +0.82297436
e   0.3309753      Incl.   17.60242     +0.05371729     +0.20431344
P   1.51           H   24.9           G   0.15           U   7
Residuals in seconds of arc
121026 G96  0.2-  0.0     121026 G96  0.4+  0.2+    121026 G96  0.1+  0.2+
121026 G96  0.3-  0.0     121026 G96  0.1-  0.4-    121027 H36  0.6-  0.8-
121026 G96  0.0   0.2-    121026 G96  0.0   0.1-    121027 H36  0.5-  0.3+
121026 G96  0.1-  0.0     121026 H06  0.0   0.1+    121027 H36  1.5+  0.1-
121026 G96  0.1-  0.1-    121026 H06  0.1-  0.1+    121027 H21  0.4-  0.1+
121026 G96  0.1+  0.1+    121026 G96  0.1-  0.1+    121027 H21  0.3-  0.3+
121026 G96  0.3+  0.2-    121026 H06  0.1-  0.1+    121027 H21  0.2+  0.1+

Ephemeris:
2012 UB174               a,e,i = 1.31, 0.33, 18                  q = 0.8797
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 10 01    15 24 35.2 +35 49 18   0.1605  0.9222    56.5   115.2    25.2
...
2012 10 16    16 12 46.9 +46 04 20   0.05197 0.9774    66.6   110.6    22.6
...
2012 10 24    01 10 05.6 +17 09 44   0.01870 1.0129   167.9    11.9    17.0
...
2012 10 30    02 34 49.6 -18 48 39   0.05715 1.0414   147.1    31.2    20.1
2012 10 31    02 38 52.9 -20 19 43   0.06443 1.0463   145.3    32.7    20.4
2012 11 01    02 42 09.3 -21 30 49   0.07177 1.0512   143.8    33.9    20.7
...
2012 11 07    02 53 13.9 -25 05 05   0.1167  1.0813   138.6    37.3    21.9
...
2012 11 15    02 59 17.1 -26 07 22   0.1785  1.1226   135.1    38.5    22.9
...
2012 11 30    03 05 50.8 -24 29 15   0.3000  1.2013   130.0    38.9    24.2

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-U124

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