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IAU Minor Planet Center

Minor Planet Center

MPEC 2009-Y36 : 2009 YT6

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M.P.E.C. 2009-Y36                                Issued 2009 Dec. 21, 15:07 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 http://www.cfa.harvard.edu/iau/mpc.html  ISSN 1523-6714

                                   2009 YT6

Observations:
     K09Y06T* C2009 12 19.16098 02 29 35.37 +12 51 13.4          22.1 V EY036G96
     K09Y06T  C2009 12 19.16735 02 29 34.33 +12 51 20.8          22.1 V EY036G96
     K09Y06T  C2009 12 19.18022 02 29 32.20 +12 51 39.2          22.4 V EY036G96
     K09Y06T  C2009 12 19.22326 02 29 25.22 +12 52 37.1          21.3 V EY036G96
     K09Y06T  C2009 12 19.22470 02 29 25.04 +12 52 39.6          21.3 V EY036G96
     K09Y06T  C2009 12 19.22543 02 29 24.92 +12 52 40.0          21.3 V EY036G96
     K09Y06T  C2009 12 19.29156 02 29 14.22 +12 54 09.4          20.5 R EY036H01
     K09Y06T  C2009 12 19.29785 02 29 13.22 +12 54 17.8          20.5 R EY036H01
     K09Y06T  C2009 12 19.30999 02 29 11.28 +12 54 34.1          20.5 R EY036H01
     K09Y06T KC2009 12 20.06175 02 27 16.30 +13 11 39.7          21.2 R EY036H01
     K09Y06T KC2009 12 20.07037 02 27 14.94 +13 11 51.6          20.9 R EY036H01
     K09Y06T KC2009 12 20.07920 02 27 13.54 +13 12 03.8          20.5 R EY036H01
     K09Y06T HC2009 12 20.16675 02 26 59.66 +13 14 04.0                 EY036291
     K09Y06T HC2009 12 20.17064 02 26 59.10 +13 14 08.4                 EY036291
     K09Y06T  C2009 12 20.17457 02 26 58.46 +13 14 15.6                 EY036291
     K09Y06T KC2009 12 20.83792 02 25 17.84 +13 29 22.2                 EY036J95
     K09Y06T KC2009 12 20.91961 02 25 05.18 +13 31 13.8          20.7 R EY036J95
     K09Y06T KC2009 12 21.08835 02 24 40.47 +13 35 11.5          20.6 R EY036H01
     K09Y06T KC2009 12 21.09618 02 24 39.25 +13 35 22.4          20.9 R EY036H01
     K09Y06T KC2009 12 21.10171 02 24 38.39 +13 35 30.5          21.1 R EY036H01

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers 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.  1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2009 YT6                                                 Earth MOID = 0.0978 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 322.59624              (2000.0)            P               Q
n   0.46150765     Peri.   99.63365     -0.92407958     -0.14821653
a   1.6583777      Node    72.49620     -0.03847731     -0.88098452
e   0.4892313      Incl.   21.67830     +0.38025837     -0.44933077
P   2.14           H   20.7           G   0.15           U   9
Residuals in seconds of arc
091219 G96  0.3+  0.3+    091219 H01  0.1+  0.5+    091220 291  0.1+  0.7+
091219 G96  0.2+  0.9-    091219 H01  0.0   0.5+    091220 J95  0.0   0.5+
091219 G96  0.4-  0.0     091220 H01  0.0   0.4+    091220 J95  0.0   0.4-
091219 G96  0.4-  0.3-    091220 H01  0.0   0.4+    091221 H01  0.1+  0.0
091219 G96  0.3+  0.3+    091220 H01  0.0   0.4+    091221 H01  0.0   0.0
091219 G96  0.3+  0.3-    091220 291  0.5-  0.2-    091221 H01  0.0   0.4+
091219 H01  0.0   0.6+    091220 291  0.4+  1.1-

Ephemeris:
2009 YT6                 a,e,i = 1.66, 0.49, 22                  q = 0.8470
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 12 15    02 40.86   +11 19.5    0.535    1.428   138.2    27.4    21.3
2009 12 25    02 15.37   +15 06.8    0.535    1.355   123.5    37.3    21.5
2010 01 04    01 56.14   +19 11.6    0.547    1.280   110.2    46.1    21.7
2010 01 14    01 43.44   +23 28.1    0.563    1.205    98.7    53.8    21.8
2010 01 24    01 36.38   +27 57.1    0.575    1.131    89.0    60.5    21.9
2010 02 03    01 33.38   +32 40.7    0.580    1.060    80.8    66.6    22.0
2010 02 13    01 32.64   +37 40.3    0.573    0.994    73.8    72.5    22.0
2010 02 23    01 32.09   +42 55.3    0.554    0.936    68.1    78.6    22.0
2010 03 05    01 28.81   +48 19.8    0.521    0.890    63.4    85.0    22.0
2010 03 15    01 18.72   +53 38.9    0.477    0.859    59.7    91.6    22.0
2010 03 25    00 56.07   +58 23.6    0.424    0.847    57.3    97.7    22.0
2010 04 04    00 14.43   +61 39.2    0.364    0.855    56.6   102.6    21.9
2010 04 14    23 13.21   +62 04.3    0.302    0.882    58.2   104.8    21.7
2010 04 24    22 02.94   +58 02.6    0.240    0.925    63.9   102.6    21.2
2010 05 04    20 55.89   +47 22.4    0.183    0.981    76.3    93.2    20.3
2010 05 14    19 53.57   +26 02.5    0.142    1.046   100.5    71.8    19.1
2010 05 24    18 53.44   -05 19.1    0.139    1.116   135.7    39.3    18.2
2010 06 03    17 59.05   -29 31.8    0.183    1.190   161.4    15.8    18.3
2010 06 13    17 16.75   -41 10.9    0.259    1.264   161.9    14.4    19.1
2010 06 23    16 49.67   -46 03.1    0.352    1.339   152.7    20.4    20.1
2010 07 03    16 36.15   -47 56.3    0.458    1.413   144.0    25.0    20.9
2010 07 13    16 32.79   -48 30.3    0.574    1.485   136.3    28.2    21.6
2010 07 23    16 36.78   -48 27.9    0.698    1.555   129.3    30.4    22.2

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-Y36

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