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  • MPEC 2012-X28 : 2012 XK16

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    M.P.E.C. 2012-X28                                Issued 2012 Dec. 7, 21:39 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 XK16
    
    Observations:
         K12X16K* C2012 12 06.23338 04 21 19.83 +28 35 58.3          17.0 VrEX028703
         K12X16K  C2012 12 06.23814 04 21 19.58 +28 34 16.5          17.0 VrEX028703
         K12X16K  C2012 12 06.24285 04 21 19.33 +28 32 36.1          16.6 VrEX028703
         K12X16K  C2012 12 06.24762 04 21 18.86 +28 30 53.8          16.4 VrEX028703
         K12X16K  C2012 12 06.31558 04 21 15.34 +28 06 40.6          17.8 RcEX028854
         K12X16K  C2012 12 06.31998 04 21 15.11 +28 05 06.7          17.8 RcEX028854
         K12X16K  C2012 12 06.32438 04 21 14.86 +28 03 32.4          17.8 RcEX028854
         K12X16K KC2012 12 06.39150 04 21 11.66 +27 39 35.7          17.1 RoEX028291
         K12X16K KC2012 12 06.39253 04 21 11.61 +27 39 13.6          17.0 RoEX028291
         K12X16K KC2012 12 06.39355 04 21 11.56 +27 38 51.8          17.2 RoEX028291
         K12X16K KC2012 12 06.80057 04 21 19.87 +25 16 39.7          17.6 RuEX028A81
         K12X16K KC2012 12 06.80669 04 21 19.68 +25 14 36.1          17.0 RuEX028A81
         K12X16K KC2012 12 06.81089 04 21 20.68 +25 13 07.1          16.8 RcEX028J08
         K12X16K KC2012 12 06.81275 04 21 19.45 +25 12 33.5          17.5 RuEX028A81
         K12X16K KC2012 12 06.81784 04 21 19.31 +25 10 50.9          17.0 RuEX028A81
         K12X16K  C2012 12 06.82490 04 21 19.11 +25 08 18.0          17.1 RtEX028B75
         K12X16K  C2012 12 06.82523 04 21 19.02 +25 08 09.3          16.7 RtEX028B75
         K12X16K  C2012 12 06.82653 04 21 19.02 +25 07 43.8          16.9 RtEX028B75
         K12X16K  C2012 12 06.82699 04 21 18.81 +25 07 33.6          16.4 RtEX028B75
         K12X16K  C2012 12 06.82748 04 21 19.01 +25 07 24.4          17.2 RtEX028B75
         K12X16K  C2012 12 06.82892 04 21 18.97 +25 06 55.0          17.0 RtEX028B75
         K12X16K  C2012 12 06.82970 04 21 18.89 +25 06 36.9          16.9 RtEX028B75
         K12X16K  C2012 12 06.83010 04 21 18.79 +25 06 30.0          17.3 RtEX028B75
         K12X16K  C2012 12 06.83049 04 21 18.91 +25 06 24.5          17.2 RtEX028B75
         K12X16K  C2012 12 06.83088 04 21 18.88 +25 06 17.8          17.2 RtEX028B75
         K12X16K  C2012 12 06.83126 04 21 18.66 +25 06 07.2          17.2 RtEX028B75
         K12X16K  C2012 12 06.83164 04 21 18.85 +25 05 58.6          16.9 RtEX028B75
         K12X16K  C2012 12 06.83280 04 21 18.86 +25 05 36.8          16.7 RtEX028B75
         K12X16K  C2012 12 06.83319 04 21 18.74 +25 05 26.8          17.3 RtEX028B75
         K12X16K  C2012 12 06.83358 04 21 18.76 +25 05 20.9          17.0 RtEX028B75
         K12X16K  C2012 12 06.83396 04 21 18.82 +25 05 10.9          16.9 RtEX028B75
         K12X16K  C2012 12 06.83435 04 21 18.75 +25 05 03.8          16.8 RtEX028B75
         K12X16K KC2012 12 06.83474 04 21 19.87 +25 05 02.3          16.9 RcEX028J08
         K12X16K  C2012 12 06.83616 04 21 18.79 +25 04 26.4          17.6 RtEX028B75
         K12X16K  C2012 12 06.83659 04 21 18.60 +25 04 18.2          17.0 RtEX028B75
         K12X16K  C2012 12 06.83755 04 21 18.60 +25 03 58.7          16.9 RtEX028B75
         K12X16K  C2012 12 06.83889 04 21 18.50 +25 03 35.5          17.5 V EX028C91
         K12X16K  C2012 12 06.84097 04 21 18.37 +25 02 54.3          17.5 V EX028C91
         K12X16K KC2012 12 06.84401 04 21 19.26 +25 01 52.2          17.2 RwEX028C12
         K12X16K KC2012 12 06.85011 04 21 19.00 +24 59 48.4          16.7 RwEX028C12
         K12X16K KC2012 12 06.86897 04 21 18.29 +24 53 24.8          17.0 RwEX028C12
         K12X16K KC2012 12 06.87344 04 21 18.45 +24 51 55.8          17.1 RcEX028J08
         K12X16K KC2012 12 06.87492 04 21 18.02 +24 51 24.4          17.0 RwEX028C12
         K12X16K KC2012 12 06.88685 04 21 17.69 +24 47 16.3          16.0 RuEX028958
         K12X16K KC2012 12 06.89048 04 21 17.78 +24 46 09.1          16.3 RcEX028J08
         K12X16K KC2012 12 06.89217 04 21 17.57 +24 45 29.3          16.1 RuEX028958
         K12X16K KC2012 12 06.89750 04 21 17.40 +24 43 39.8          15.9 RuEX028958
         K12X16K KC2012 12 06.90297 04 21 17.08 +24 41 49.8          16.3 RuEX028958
         K12X16K KC2012 12 06.91062 04 21 16.90 +24 39 20.2          16.7 RcEX028J08
         K12X16K KC2012 12 06.92931 04 21 16.16 +24 33 01.2          16.9 RcEX028J08
         K12X16K  C2012 12 07.18601 04 21 17.14 +23 07 02.3          17.3 RoEX028G48
         K12X16K  C2012 12 07.18679 04 21 17.08 +23 06 46.9          17.1 RoEX028G48
         K12X16K KC2012 12 07.18716 04 21 17.36 +23 06 38.7          17.2 RoEX028291
         K12X16K  C2012 12 07.18719 04 21 17.06 +23 06 39.2          17.1 RoEX028G48
         K12X16K KC2012 12 07.18750 04 21 17.35 +23 06 32.0          17.3 RoEX028291
         K12X16K  C2012 12 07.18758 04 21 17.05 +23 06 30.9          17.2 RoEX028G48
         K12X16K KC2012 12 07.18783 04 21 17.33 +23 06 25.3          17.5 RoEX028291
         K12X16K  C2012 12 07.18795 04 21 17.05 +23 06 23.7          17.3 RoEX028G48
         K12X16K  C2012 12 07.25752 04 21 13.96 +22 43 25.8          17.3 VrEX028G96
         K12X16K  C2012 12 07.25796 04 21 13.96 +22 43 17.0          17.4 VrEX028G96
         K12X16K  C2012 12 07.25841 04 21 13.93 +22 43 08.3          17.4 VrEX028G96
         K12X16K  C2012 12 07.25885 04 21 13.89 +22 42 59.5          17.4 VrEX028G96
         K12X16K KC2012 12 07.76830 04 21 16.00 +19 57 53.3          18.0 VuEX028C43
         K12X16K KC2012 12 07.77204 04 21 15.91 +19 56 42.7          18.0 VuEX028C43
         K12X16K KC2012 12 07.77509 04 21 15.87 +19 55 45.5          18.1 VuEX028C43
    
    Observer details:
    291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
    703 Catalina Sky Survey.  Observer J. A. Johnson.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  0.68-m Schmidt + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
        Schmidt-Cassegrain + CCD.
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer
        P. Dupouy.  0.43-m f/2.7 reflector + CCD.
    A81 Balzaretto Observatory, Rome.  Observer L. Franco.  0.20-m f/5.3 reflector
        + CCD.
    B75 Stazione Astronomica Betelgeuse, Magnago.  Observer M. Martignoni.  0.25-m
        f/10 Schmidt-Cassegrain + CCD.
    C12 Berta Observatory, Sabadell.  Observer M. Duran.  0.3-m f/4.46 Newtonian
        reflector + CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    C91 Montevenere Observatory, Monzuno.  Observers M. Brusa, L. Sempio.  0.30-m
        f/4.9 reflector + CCD.
    G48 Doc Greiner Research Obs., Rancho Hildalgo.  Observer M. Mills.  0.40-m
        f/10 Schmidt-Cassegrain + CCD.
    G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  Measurers A. Boattini,
        E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
        R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
    J08 Observatorio Zonalunar, Puzol.  Observer A. Carreno.  Measurer J. Piqueras.
        0.20-m f/5 Newtonian reflector + CCD.
    
    Orbital elements:
    2012 XK16                                                Earth MOID = 0.0673 AU
    Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
    M 357.12953              (2000.0)            P               Q
    n   0.77961773     Peri.  110.21208     +0.92125123     -0.06349990
    a   1.1691805      Node   255.00711     -0.04650421     +0.96152676
    e   0.1889532      Incl.   23.40786     +0.38617811     +0.26727149
    P   1.26           H   22.4           G   0.15           U   7
    Residuals in seconds of arc
    121206 703  0.3-  0.3-    121206 B75  1.2-  0.8-    121206 J08  0.1-  1.6-
    121206 703  0.2-  0.4-    121206 B75  0.6+  1.7+    121206 958  0.2-  1.1+
    121206 703  0.1-  0.1-    121206 B75 (0.3+  2.9+)   121206 958  0.4+  0.1-
    121206 703 (2.9-  0.4-)   121206 B75 (2.5-  0.0 )   121206 958  0.9-  0.9+
    121206 854  0.2+  0.0     121206 B75  0.3+  0.8-    121206 J08  0.2-  1.6-
    121206 854  0.2+  0.3+    121206 B75  1.0+  1.0+    121206 J08  1.3+  1.2-
    121206 854  0.1+  0.2+    121206 B75  0.5-  1.0-    121207 G48  0.1+  0.2+
    121206 291  0.1+  0.2+    121206 B75  0.0   1.0+    121207 G48  0.2-  0.2+
    121206 291  0.0   0.1+    121206 B75  1.0+  1.3-    121207 291  0.2-  0.4+
    121206 291  0.0   0.2+    121206 B75  0.2+  0.4-    121207 G48  0.3-  0.4+
    121206 A81  0.0   1.4-    121206 J08  0.6-  0.7-    121207 291  0.2-  0.4+
    121206 A81  0.2+  0.2-    121206 B75  1.6+  0.9-    121207 G48  0.2-  0.2-
    121206 J08  0.5+  0.9-    121206 B75  0.8-  0.4-    121207 291  0.2-  0.2+
    121206 A81  0.1-  0.7+    121206 B75  0.3-  0.3-    121207 G48  0.1+  0.0
    121206 A81  0.4+  1.8+    121206 C91  0.7+  0.3+    121207 G96  0.1-  0.1-
    121206 B75  0.7+  1.3+    121206 C91  0.1-  1.5+    121207 G96  0.2+  0.2-
    121206 B75  0.4-  0.7-    121206 C12  0.1+  0.0     121207 G96  0.1+  0.0
    121206 B75  0.2+  0.3+    121206 C12  0.5-  0.2+    121207 G96  0.2-  0.1-
    121206 B75 (2.4-  0.5-)   121206 C12  0.4-  0.0     121207 C43  0.3+  0.2+
    121206 B75  0.5+  0.2+    121206 J08  0.6-  0.9-    121207 C43  0.1+  0.3-
    121206 B75  0.6+  0.2+    121206 C12  0.9-  0.5+    121207 C43  0.4+  0.3-
    121206 B75 (0.1-  2.0-)   121206 958  1.5-  0.1+
    
    Ephemeris:
    2012 XK16                a,e,i = 1.17, 0.19, 23                  q = 0.9483
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2012 11 07    16 19 27.8 +63 41 52   0.2037  0.9830    81.9    86.3    21.9
    ...
    2012 11 22    16 13 48.7 +82 01 16   0.1097  1.0165   102.2    71.8    20.1
    ...
    2012 11 30    04 23 04.9 +67 43 48   0.07196 1.0374   133.9    43.2    18.4
    ...
    2012 12 06    04 21 18.9 +30 00 30   0.06979 1.0541   170.0     9.4    17.4
    2012 12 07    04 21 14.0 +24 09 56   0.07243 1.0569   172.0     7.4    17.4
    2012 12 08    04 21 11.1 +18 47 12   0.07581 1.0598   170.2     9.1    17.5
    ...
    2012 12 14    04 21 28.9 -03 31 28   0.1069  1.0774   149.0    28.1    19.0
    ...
    2012 12 22    04 23 22.1 -16 31 02   0.1622  1.1014   133.4    40.5    20.3
    ...
    2013 01 06    04 30 58.0 -23 49 16   0.2771  1.1472   120.0    47.9    21.7
    
    A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-X28
    

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