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    • MPEC 2012-U116: 2012 UK171

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    M.P.E.C. 2012-U116                               Issued 2012 Oct. 28, 20:39 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 UK171

Observations:
     K12UH1K* C2012 10 25.43612 08 50 21.71 +64 06 17.4          19.0  cEU116704
     K12UH1K  C2012 10 25.45085 08 49 26.06 +64 10 55.6          19.6  cEU116704
     K12UH1K  C2012 10 25.46488 08 48 32.50 +64 15 15.6          19.2  cEU116704
     K12UH1K  C2012 10 25.47894 08 47 38.16 +64 19 34.0          19.0  cEU116704
     K12UH1K  C2012 10 25.49306 08 46 42.88 +64 23 50.6          18.9  cEU116704
     K12UH1K  C2012 10 26.41674 07 38 52.27 +68 06 34.1          18.6  cEU116704
     K12UH1K  C2012 10 26.43081 07 37 33.15 +68 09 26.3          18.8  cEU116704
     K12UH1K  C2012 10 26.44496 07 36 12.51 +68 12 14.8          18.6  cEU116704
     K12UH1K  C2012 10 26.45911 07 34 51.37 +68 14 58.3          18.5  cEU116704
     K12UH1K  C2012 10 26.47304 07 33 30.84 +68 17 34.4          18.5  cEU116704
     K12UH1K KC2012 10 28.03014004 57 50.24 +68 30 57.1          18.1 RuEU116J95
     K12UH1K KC2012 10 28.03479504 57 22.03 +68 30 14.9          17.4 RuEU116J95
     K12UH1K KC2012 10 28.03981304 56 51.52 +68 29 29.1          17.1 RuEU116J95
     K12UH1K KC2012 10 28.04443704 56 23.56 +68 28 46.3          17.4 RuEU116J95
     K12UH1K KC2012 10 28.79087103 53 21.99 +65 30 56.8          18.1 VuEU116510
     K12UH1K KC2012 10 28.79708603 52 54.27 +65 29 19.8          17.6 VuEU116510
     K12UH1K KC2012 10 28.80951603 51 59.10 +65 26 04.9          18.0 VuEU116510
     K12UH1K KC2012 10 28.81635203 51 28.66 +65 24 17.3          17.7 VuEU116510
     K12UH1K KC2012 10 28.82256703 51 01.02 +65 22 38.0          17.9 VuEU116510
     K12UH1K KC2012 10 28.82878103 50 33.45 +65 20 59.6          17.4 VuEU116510
     K12UH1K KC2012 10 28.83499403 50 05.77 +65 19 20.3          17.5 VuEU116510

Observer details:
510 Siegen.  Observers M. Jung, H. Bill.  Measurer H. Bill.  0.43-m f/6.8
    reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
    R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall.  1.0-m
    f/2.15 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2012 UK171                                               Earth MOID = 0.0130 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M  95.08363              (2000.0)            P               Q
n   1.23460011     Peri.  355.94945     -0.35310990     +0.93534273
a   0.8605680      Node   253.37189     -0.85775814     -0.33268207
e   0.2216384      Incl.    1.26487     -0.37358316     -0.12023568
P   0.80           H   24.2           G   0.15           U   7
Residuals in seconds of arc
121025 704  0.3-  0.7-    121026 704  0.5+  0.3+    121028 510  0.0   0.1+
121025 704  0.6-  0.9+    121026 704  0.5+  0.5+    121028 510  0.6-  0.1+
121025 704  0.0   0.2+    121026 704  0.0   0.6+    121028 510  0.0   0.3+
121025 704  0.3+  0.3+    121028 J95  0.1-  0.1-    121028 510  0.2-  0.5+
121025 704  0.1-  0.4+    121028 J95  0.0   0.3-    121028 510  0.2-  0.3-
121026 704  0.1-  0.6-    121028 J95  0.4-  0.2-    121028 510  0.3+  0.1+
121026 704  1.3+  0.1-    121028 J95  0.1-  0.2-    121028 510  0.1+  0.0

Ephemeris:
2012 UK171               a,e,i = 0.86, 0.22, 1                   q = 0.6698
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 09 28    11 55 43.2 +12 32 51   0.09635 0.9096    15.7   162.7    30.9
...
2012 10 13    11 31 23.7 +24 54 47   0.04888 0.9614    41.1   137.0    24.0
...
2012 10 21    10 48 14.5 +43 17 02   0.02814 0.9848    67.1   111.4    20.7
...
2012 10 27    06 42 44.8 +69 18 46   0.01921 1.0003   109.3    69.7    18.1
2012 10 28    05 00 23.7 +68 34 10   0.01904 1.0027   118.2    60.8    17.8
2012 10 29    03 37 53.0 +64 30 40   0.01936 1.0050   126.9    52.2    17.6
...
2012 11 04    01 08 46.6 +33 06 06   0.02909 1.0178   153.2    26.0    17.7
...
2012 11 12    00 39 22.5 +15 43 12   0.05105 1.0316   144.0    34.3    19.2
...
2012 11 27    00 35 19.0 +06 39 08   0.09874 1.0474   125.7    49.9    21.1

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-U116

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