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IAU Minor Planet Center

Minor Planet Center

MPEC 2009-C17 : 2009 CF

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M.P.E.C. 2009-C17                                Issued 2009 Feb. 2, 17:09 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 CF

Observations:
     K09C00F* C2009 02 01.28146 08 37 24.38 +08 49 14.4          20.3 V EC017G96
     K09C00F  C2009 02 01.28690 08 37 22.36 +08 48 13.1          20.3 V EC017G96
     K09C00F  C2009 02 01.29246 08 37 20.28 +08 47 09.0          21.0 V EC017G96
     K09C00F  C2009 02 01.29780 08 37 18.26 +08 46 08.5          20.3 V EC017G96
     K09C00F  C2009 02 01.32389 08 37 08.43 +08 41 12.4          20.6 V EC017G96
     K09C00F  C2009 02 01.33086 08 37 05.81 +08 39 52.6          20.7 R EC017854
     K09C00F  C2009 02 01.33326 08 37 04.87 +08 39 24.7          21.1 V EC017G96
     K09C00F  C2009 02 01.34072 08 37 02.10 +08 38 00.6          20.3 R EC017854
     K09C00F  C2009 02 01.34306 08 37 01.20 +08 37 34.3          20.6 V EC017G96
     K09C00F  C2009 02 01.35063 08 36 58.24 +08 36 07.5          20.3 R EC017854
     K09C00F  C2009 02 01.35273 08 36 57.60 +08 35 44.5          20.8 V EC017G96
     K09C00F  C2009 02 01.37176 08 36 50.43 +08 32 07.1          20.9 V EC017G96
     K09C00F  C2009 02 01.37912 08 36 47.66 +08 30 42.5          20.5 V EC017G96
     K09C00F  C2009 02 01.38684 08 36 44.78 +08 29 14.8          20.8 V EC017G96
     K09C00F  C2009 02 01.46430 08 36 19.49 +08 15 37.5          19.1 R EC017474
     K09C00F  C2009 02 01.46839 08 36 18.05 +08 14 49.5          20.4 R EC017474
     K09C00F  C2009 02 01.47282 08 36 16.22 +08 13 56.4          20.1 R EC017474
     K09C00F  C2009 02 01.93878 08 33 27.70 +06 42 40.5                 EC017J95
     K09C00F  C2009 02 01.95079 08 33 23.14 +06 40 19.8          20.2 R EC017J95
     K09C00F tC2009 02 02.15534 08 32 10.08 +06 00 21.9          20.7 V EC017291
     K09C00F tC2009 02 02.15922 08 32 08.66 +05 59 37.2          20.7 V EC017291
     K09C00F 4C2009 02 02.25833 08 31 32.76 +05 40 09.5          19.5 C EC017F65
     K09C00F 4C2009 02 02.26273 08 31 31.06 +05 39 17.2          19.3 C EC017F65

Observer details:
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
474 Mount John Observatory, Lake Tekapo.  Observer A. C. Gilmore.  Measurer
    P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
F65 Haleakala-Faulkes Telescope North.  Observer J. Bedient.  2.0-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. D. Grauer.  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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.40-m f/6.0 Schmidt-Cassegrain
    + CCD.

Orbital elements:
2009 CF                                                  Earth MOID = 0.1482 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 322.52063              (2000.0)            P               Q
n   0.33682477     Peri.  236.08083     -0.91127551     +0.15608139
a   2.0458166      Node   309.64529     +0.13547419     -0.76024635
e   0.5161279      Incl.   29.66265     -0.38887491     -0.63060613
P   2.93           H   23.6           G   0.15           U   8
Residuals in seconds of arc
090201 G96  0.2-  0.8+    090201 G96  0.2-  0.1+    090201 474  0.7-  1.6-
090201 G96  0.1+  1.1+    090201 854 (1.9-  0.7-)   090201 J95  0.3+  0.0
090201 G96  0.3+  0.0     090201 G96  0.3+  0.4+    090201 J95  0.0   0.1+
090201 G96  0.1+  0.1+    090201 G96  0.0   0.1-    090202 291  0.5-  0.6-
090201 G96  0.0   0.2+    090201 G96  0.1-  0.7-    090202 291  0.3+  0.6+
090201 854  0.0   0.5-    090201 G96  0.1+  0.3-    090202 F65  0.2+  0.1+
090201 G96  0.5-  1.0-    090201 474  0.5+  2.1+    090202 F65  0.2-  0.1+
090201 854  0.0   0.4-    090201 474 (1.8+  0.8+)

Ephemeris:
2009 CF                  a,e,i = 2.05, 0.52, 30                  q = 0.9899
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 01 29    08 55.78   +18 10.8    0.182    1.167   177.7     2.0    20.5
2009 01 30    08 50.43   +15 32.5    0.176    1.161   177.8     1.8    20.4
2009 01 31    08 44.85   +12 43.0    0.170    1.155   174.8     4.5    20.5
2009 02 01    08 39.07   +09 42.5    0.165    1.149   171.2     7.5    20.5
2009 02 02    08 33.08   +06 31.5    0.161    1.143   167.4    10.8    20.6
2009 02 03    08 26.90   +03 11.2    0.158    1.138   163.4    14.3    20.7
2009 02 04    08 20.53   -00 17.0    0.155    1.132   159.3    17.9    20.8
2009 02 05    08 13.98   -03 51.2    0.153    1.126   155.1    21.6    20.8
2009 02 06    08 07.28   -07 29.1    0.152    1.121   150.9    25.4    20.9
2009 02 07    08 00.44   -11 08.2    0.151    1.115   146.6    29.1    21.0
2009 02 08    07 53.46   -14 45.9    0.151    1.110   142.3    32.9    21.1

Timothy B. Spahr             (C) Copyright 2009 MPC           M.P.E.C. 2009-C17

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