[Iaude] MPEC V40: 2012 UK171 [a=0.86,e=0.22,i=1.3,H=24.6]

mpec at si.edu mpec at si.edu
Sun Nov 6 14:29:49 EST 2016


M.P.E.C. 2016-V40                                Issued 2016 Nov. 6, 19:25 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 at CFA.HARVARD.EDU
            URL http://www.minorplanetcenter.net/    ISSN 1523-6714


                                  2012 UK171
 
                          Revision to MPEC 2012-U116
 
Additional Observations:
     K12UH1K  C2016 11 05.45657 07 13 08.36 +29 29 10.1          21.1 RoEV040926
     K12UH1K  C2016 11 05.46201 07 13 06.11 +29 29 12.3          20.9 RoEV040926
     K12UH1K  C2016 11 06.48973 07 07 04.18 +29 33 35.9          20.3 RoEV040926
     K12UH1K  C2016 11 06.49461 07 07 02.20 +29 33 36.8          20.2 RoEV040926
     K12UH1K  C2016 11 06.49947 07 07 00.22 +29 33 37.8          20.4 RoEV040926
 
Observer details:
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161105 926 0.15- 0.07+    161106 926 0.17- 0.07+    MPO244105   +0.031 day
 
Orbital elements:
2012 UK171                                               Earth MOID = 0.0138 AU
Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
M  26.64634              (2000.0)            P               Q
n   1.23635267     Peri.  357.68837     -0.36043196     +0.93252824
a   0.8597545      Node   251.18427     -0.85544223     -0.33981836
e   0.2220763      Incl.    1.32612     -0.37189702     -0.12212524
P   0.80           H   24.6           G   0.15           U   3
Residuals in seconds of arc
121025 704  0.4-  0.6-    121101 J84  0.1-  0.3-    121105 B88  0.9-  0.7-
121025 704  0.6-  1.1+    121101 J84  0.0   0.4-    121105 B88  0.3-  0.6-
121025 704  0.1-  0.4+    121102 H21  0.1+  0.1+    121105 B88  0.5-  0.4-
121025 704  0.2+  0.4+    121102 H21  0.0   0.1+    121105 I42  0.1+  0.5+
121025 704  0.2-  0.6+    121102 H21  0.0   0.0     121105 I42  0.2+  0.3+
121026 704  0.1+  0.6-    121102 H21  0.1-  0.1+    121106 204  0.3+  0.1+
121026 704  1.4+  0.1-    121102 H21  0.3-  0.2+    121106 204  0.0   0.2+
121026 704  0.6+  0.3+    121102 H21  0.0   0.0     121106 204  0.2+  0.1+
121026 704  0.6+  0.5+    121102 B88  0.7-  0.7-    121106 718  0.1+  0.1+
121026 704  0.1+  0.6+    121102 J95  0.0   0.2-    121106 718  0.0   0.1+
121028 J95  0.1-  0.1-    121102 B88  0.3-  0.8-    121106 718  0.2+  0.4+
121028 J95  0.0   0.3-    121102 J95  0.3-  0.1-    121106 703  0.1+  0.2+
121028 J95  0.4-  0.2-    121102 J95  0.1-  0.2-    121106 703  0.6-  0.1+
121028 J95  0.1-  0.2-    121102 B88  0.3-  0.7-    121106 703  0.4-  0.0
121028 300  0.7+  0.3+    121103 H45  0.6+  0.1+    121106 703  0.4-  0.1-
121028 300  0.5+  0.7+    121103 H45  0.1-  0.2-    121107 H45  0.1+  1.1-
121028 300  0.2+  0.1+    121103 H45  0.3-  0.5-    121107 H45  0.3-  0.9-
121028 300  1.1+  0.1-    121103 H45  0.6-  0.5-    121107 H45  0.4-  0.3-
121028 300  0.8+  0.4+    121103 H45  0.1-  0.0     121107 H45  0.0   0.3-
121028 300  0.8+  0.2+    121103 H45  0.2+  0.0     121107 H45  0.0   0.3-
121028 300  1.0+  0.1+    121103 H45  0.1-  0.2-    121107 H45  0.0   0.4-
121028 300  1.2+  0.2+    121103 H45  0.3+  0.0     121107 718  0.1+  0.2+
121028 510  0.2-  0.1-    121103 H45  0.1-  0.1-    121107 718  0.1-  0.5+
121028 510  0.8-  0.1-    121103 H45  1.3+  0.8-    121107 718  0.1+  0.4+
121028 510  0.3-  0.1+    121103 J16  0.2-  0.5+    121109 H21  0.2+  0.1+
121028 510  0.5-  0.3+    121103 J16  0.1-  0.5+    121109 H21  0.1+  0.1+
121028 510  0.5-  0.5-    121103 J16  0.3-  0.4+    121109 H21  0.0   0.2+
121028 510  0.0   0.1-    121104 718  1.2+  0.4+    121109 I42  1.3+  0.0
121028 510  0.2-  0.2-    121104 718  0.0   0.8+    121109 I42  0.4+  1.0+
121029 J84  0.7-  0.4-    121104 718  0.1-  0.5-    121112 703  0.2-  0.3+
121029 J84  0.1-  0.2-    121104 J84  0.2+  0.2-    121112 703  0.7+  0.5-
121029 J84  0.5-  0.0     121104 J84  0.1-  0.1-    121112 703  0.7-  1.1+
121029 J84  0.4-  0.1+    121105 718  0.4+  0.2-    121112 703  0.0   0.1+
121029 J84  0.6-  0.4-    121105 718  0.7+  0.7+    121114 H21  0.1+  0.1-
121029 J95  0.2+  0.2-    121105 718  0.7-  1.1-    121114 H21  0.2+  0.3-
121029 J95  0.0   0.3-    121105 I42  0.5+  0.5-    121114 H21  0.1+  0.4-
121029 J95  0.0   0.3+    121105 I42  0.2+  0.1+    121119 H21  0.1+  0.4+
121030 J95  0.2+  0.5+    121105 I42  0.6+  0.4+    121119 H21  0.3+  0.0
121031 510  0.3+  0.1-    121105 G56  0.4-  0.6+    121119 H21  0.2-  0.2+
121031 510  0.1-  0.1+    121105 G56  0.4+  0.0     161105 926  1.1+  0.0
121031 510  0.4+  0.3+    121105 G56  0.4-  0.3+    161105 926  0.9-  0.5+
121031 510  0.1+  0.3+    121105 G56  0.6-  0.0     161106 926  0.0   0.3+
121031 510  0.2-  0.2+    121105 703  0.1+  0.2+    161106 926  0.1+  0.2+
121101 J95  0.2+  0.1+    121105 703  0.3+  0.1+    161106 926  0.2+  0.2+
121101 J95  0.0   0.3+    121105 703  0.5+  0.1+
121101 J95  0.1-  0.1+    121105 703  0.9-  0.2+

Ephemeris:
2012 UK171               a,e,i = 0.86, 0.22, 1                   q = 0.6688
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 10 07    08 42 42.7 +26 22 12   0.1248  0.9597    68.0   105.1    23.9
...
2016 10 22    08 08 52.8 +27 59 51   0.1034  1.0013    90.4    83.7    22.6
...
2016 10 30    07 43 31.7 +28 51 11   0.09003 1.0185   104.0    71.1    21.9
...
2016 11 05    07 15 40.5 +29 27 03   0.07998 1.0291   116.0    60.0    21.3
2016 11 06    07 09 59.5 +29 31 39   0.07838 1.0307   118.3    57.9    21.2
2016 11 07    07 03 57.9 +29 35 31   0.07681 1.0322   120.6    55.8    21.1
...
2016 11 13    06 19 57.8 +29 32 13   0.06848 1.0400   136.1    41.3    20.5
...
2016 11 21    05 01 55.8 +27 08 57   0.06231 1.0471   161.3    17.6    19.6
...
2016 12 06    02 47 24.7 +15 49 57   0.07395 1.0501   150.2    27.8    20.3

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-V40




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