• MPC Preparation (Info)

  • MPEC 2010-X09 : 1999 XM141

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    M.P.E.C. 2010-X09                                Issued 2010 Dec. 1, 16:32 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.org/iau/mpc.html  ISSN 1523-6714
    
                                      1999 XM141
    
                               Revision to MPEC 1999-Y12
    
    Additional Observations:
         J99XE1M  C2010 11 30.41032 08 44 10.19 +28 24 57.9          19.0  cEX009704
         J99XE1M  C2010 11 30.42334 08 44 15.39 +28 25 54.8          19.4  cEX009704
         J99XE1M  C2010 11 30.43631 08 44 20.56 +28 26 49.4          19.5  cEX009704
         J99XE1M  C2010 11 30.44929 08 44 25.80 +28 27 45.1          19.5  cEX009704
         J99XE1M  C2010 12 01.37527808 51 04.36 +29 35 10.3          18.6 RoEX009H11
         J99XE1M  C2010 12 01.37630808 51 04.73 +29 35 15.2          18.3 RoEX009H11
         J99XE1M  C2010 12 01.37730308 51 05.29 +29 35 20.7          18.7 RoEX009H11
         J99XE1M  C2010 12 01.37826 08 51 05.65 +29 35 24.5          18.7 VrEX009703
         J99XE1M  C2010 12 01.37828708 51 05.63 +29 35 24.3          18.9 RoEX009H11
         J99XE1M  C2010 12 01.37923608 51 06.11 +29 35 29.7          18.3 RoEX009H11
         J99XE1M  C2010 12 01.38017408 51 06.47 +29 35 33.5          18.1 RoEX009H11
         J99XE1M  C2010 12 01.38404 08 51 08.13 +29 35 50.2          18.7 VrEX009703
         J99XE1M  C2010 12 01.38990 08 51 10.69 +29 36 16.8          18.6 VrEX009703
         J99XE1M  C2010 12 01.39568 08 51 13.14 +29 36 42.7          19.0 VrEX009703
         J99XE1M KC2010 12 01.45600 08 51 38.61 +29 41 09.2          18.6 RuEX009H36
         J99XE1M KC2010 12 01.45757 08 51 39.28 +29 41 16.5          18.4 RuEX009H36
         J99XE1M KC2010 12 01.45914 08 51 39.95 +29 41 23.6          18.4 RuEX009H36
         J99XE1M KC2010 12 01.46072 08 51 40.64 +29 41 30.5          18.4 RuEX009H36
         J99XE1M  C2010 12 01.46729 08 51 43.90 +29 42 03.0          18.4 RoEX009H01
         J99XE1M  C2010 12 01.47927 08 51 49.07 +29 42 56.5          18.0 RoEX009H01
         J99XE1M  C2010 12 01.48240 08 51 50.59 +29 43 11.7          18.9 RcEX009854
         J99XE1M  C2010 12 01.48336 08 51 51.06 +29 43 16.9          18.8 RcEX009854
         J99XE1M  C2010 12 01.48432 08 51 51.44 +29 43 20.3          18.6 RcEX009854
         J99XE1M  C2010 12 01.48536 08 51 51.70 +29 43 23.7          17.9 RoEX009H01
         J99XE1M  C2010 12 01.48987 08 51 53.64 +29 43 43.8          18.0 RoEX009H01
    
    Observer details:
    703 Catalina Sky Survey.  Observer R. E. Hill.  Measurers J. D. Ahern,
        E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
        R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.  0.68-m Schmidt
        + CCD.
    704 Lincoln Laboratory ETS, New Mexico.  Observers M. Blythe, G. Spitz,
        R. Brungard, J. Paige, P. Festler.  1.0-m f/2.15 reflector + CCD.
    854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
        Schmidt-Cassegrain + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
        reflector + CCD.
    H11 LightBuckets Observatory, Rodeo.  Observer T. Vorobjov.  0.61-m f/8
        Ritchey-Chretien + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    
    Orbital elements:
    1999 XM141                                          PHA, Earth MOID = 0.0332 AU
    Epoch 2010 July 23.0 TT = JDT 2455400.5                 MPC
    M 209.54791              (2000.0)            P               Q
    n   0.71676686     Peri.  105.69649     -0.93498988     -0.03984841
    a   1.2365664      Node    73.06324     -0.13931846     -0.87253489
    e   0.3694234      Incl.   21.61745     +0.32616604     -0.48692400
    P   1.38           H   19.5           G   0.15           U   4
    Residuals in seconds of arc
    991213 704  0.2-  0.3+    991217 118  0.3-  0.3-    101201 H11  0.0   0.9-
    991213 704  0.7+  0.6+    991217 118  0.2+  0.3-    101201 H11  1.0-  0.6-
    991213 704  0.2+  0.6+    991217 704  0.3-  0.8+    101201 H11  0.7+  0.4+
    991213 704  0.4+  0.3-    991217 704  0.9-  0.2+    101201 703  0.6-  0.5+
    991213 704  0.0   0.3+    991217 704  0.0   0.1-    101201 H11  0.4-  0.5-
    991214 704  0.1-  0.2-    991217 704  0.5-  0.5+    101201 H11  0.5+  0.7+
    991214 704  0.4-  0.0     991217 704  0.2-  0.4+    101201 H11  0.0   0.2+
    991214 704  0.1+  0.1+    991219 704  0.2-  0.9+    101201 703  0.8-  0.1+
    991214 704  0.8-  0.6-    991219 704  0.7-  0.7-    101201 703  0.3-  0.3+
    991214 704  0.6+  0.1-    991219 704  0.5+  0.3+    101201 703  0.9-  0.2+
    991216 704  0.2+  0.2-    991219 704  1.1+  0.1+    101201 H36  0.2+  0.5-
    991216 704  0.6+  0.5-    991219 704  0.4+  0.4+    101201 H36  0.1+  0.2-
    991216 704  0.5-  0.1+    991220 704  0.4-  0.2-    101201 H36  0.0   0.1-
    991217 046  0.1-  0.6+    991220 704  0.2+  0.2+    101201 H36  0.1+  0.2-
    991217 046  1.1-  0.0     991220 704  0.5-  0.2-    101201 H01  0.1-  0.1-
    991217 046  0.7-  1.7-    991220 704  1.2+  0.6-    101201 H01  0.0   0.1-
    991217 046  0.3+  0.0     991220 704  0.5-  0.3-    101201 854  0.3+  0.0
    991217 046  0.5+  0.0     101130 704  0.8+  0.0     101201 854  1.0+  0.9+
    991217 046  1.2+  0.1-    101130 704  0.3+  0.8+    101201 854  0.6+  0.0
    991217 046  0.7+  0.3+    101130 704  0.3-  0.4-    101201 H01  0.0   0.1-
    991217 118  0.7-  0.1-    101130 704  0.1-  0.6-    101201 H01  0.1-  0.1-
    
    Ephemeris:
    1999 XM141               a,e,i = 1.24, 0.37, 22                  q = 0.7797
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2010 11 30    08 41.35   +27 56.0    0.256    1.141   121.6    47.4    18.6
    2010 12 10    10 19.06   +41 19.0    0.200    1.080   113.5    56.8    18.2
    2010 12 20    13 11.61   +48 37.7    0.192    1.019    95.1    74.1    18.5
    2010 12 30    15 34.37   +41 42.6    0.230    0.959    77.2    89.3    19.4
    2011 01 09    16 45.51   +32 11.5    0.293    0.903    65.6    97.2    20.1
    2011 01 19    17 25.29   +24 07.6    0.366    0.853    58.7    99.8    20.6
    2011 01 29    17 53.91   +17 07.2    0.442    0.814    54.7    99.0    20.9
    2011 02 08    18 19.44   +10 43.2    0.519    0.788    52.7    95.8    21.0
    2011 02 18    18 45.40   +04 47.6    0.594    0.780    52.1    91.0    21.0
    2011 02 28    19 13.25   -00 34.5    0.665    0.789    52.5    85.4    21.1
    2011 03 10    19 43.12   -05 14.8    0.730    0.814    53.8    79.8    21.2
    2011 03 20    20 14.43   -09 09.6    0.787    0.854    55.8    74.6    21.2
    2011 03 30    20 46.45   -12 20.1    0.833    0.904    58.3    70.0    21.3
    2011 04 09    21 18.39   -14 52.1    0.870    0.960    61.3    66.1    21.4
    2011 04 19    21 49.62   -16 54.2    0.896    1.020    64.6    62.8    21.5
    2011 04 29    22 19.72   -18 35.4    0.913    1.081    68.4    59.9    21.6
    2011 05 09    22 48.35   -20 05.3    0.920    1.142    72.5    57.4    21.7
    2011 05 19    23 15.28   -21 32.6    0.918    1.202    76.9    55.0    21.7
    2011 05 29    23 40.34   -23 05.3    0.910    1.260    81.6    52.8    21.7
    2011 06 08    00 03.30   -24 51.0    0.895    1.314    86.7    50.5    21.7
    2011 06 18    00 23.88   -26 56.2    0.875    1.365    92.2    48.0    21.7
    2011 06 28    00 41.73   -29 26.3    0.852    1.413    97.9    45.4    21.6
    2011 07 08    00 56.26   -32 25.6    0.828    1.458   104.0    42.6    21.6
    2011 07 18    01 06.67   -35 54.4    0.805    1.498   110.2    39.6    21.5
    2011 07 28    01 11.91   -39 49.2    0.785    1.535   116.4    36.4    21.4
    2011 08 07    01 10.52   -43 58.5    0.772    1.568   122.1    33.2    21.3
    2011 08 17    01 01.11   -48 00.5    0.769    1.597   126.8    30.5    21.3
    2011 08 27    00 42.86   -51 24.7    0.778    1.622   129.7    28.6    21.3
    2011 09 06    00 16.94   -53 36.8    0.800    1.644   130.4    27.9    21.3
    2011 09 16    23 47.69   -54 13.5    0.836    1.661   128.6    28.2    21.5
    2011 09 26    23 20.84   -53 14.8    0.885    1.675   124.9    29.4    21.6
    2011 10 06    23 00.68   -50 59.7    0.947    1.685   119.9    31.0    21.8
    2011 10 16    22 48.50   -47 55.3    1.018    1.691   114.1    32.6    22.1
    
    Gareth V. Williams           (C) Copyright 2010 MPC           M.P.E.C. 2010-X09
    

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    MPEC number:

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