Printer-friendly version
Follow the MPC on Twitter Follow the MPC on Facebook The MPC blog
Minor Planet Center

MPEC 2009-W123: 2009 WF106

The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.

A form allowing access to any MPEC is at the bottom of this page.


Read MPEC 2009-W122 Read MPEC 2009-W124


M.P.E.C. 2009-W123                               Issued 2009 Nov. 27, 15:43 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 WF106

Observations:
     K09WA6F* C2009 11 25.40833 08 38 26.66 +23 00 00.6          19.6 V EW123703
     K09WA6F  C2009 11 25.41578 08 38 29.86 +23 00 29.7          20.1 V EW123703
     K09WA6F  C2009 11 25.42318 08 38 33.14 +23 01 00.3          20.2 V EW123703
     K09WA6F  C2009 11 25.43061 08 38 36.49 +23 01 30.1          20.2 V EW123703
     K09WA6F  C2009 11 25.52048 08 39 16.48 +23 07 41.0          20.1 V EW123703
     K09WA6F  C2009 11 25.52126 08 39 16.77 +23 07 44.2          19.7 V EW123703
     K09WA6F  C2009 11 25.52204 08 39 17.06 +23 07 47.7          19.9 V EW123703
     K09WA6F  C2009 11 25.52282 08 39 17.53 +23 07 50.1          19.8 V EW123703
     K09WA6F  C2009 11 25.52778 08 39 19.65 +23 08 10.4          20.0 V EW123703
     K09WA6F  C2009 11 25.52840 08 39 20.08 +23 08 12.9          20.3 V EW123703
     K09WA6F  C2009 11 25.52900 08 39 20.23 +23 08 17.3          19.9 V EW123703
     K09WA6F  C2009 11 25.52962 08 39 20.55 +23 08 18.5          20.2 V EW123703
     K09WA6F tC2009 11 26.41568 08 46 22.18 +24 10 53.4          19.5 V EW123291
     K09WA6F tC2009 11 26.42024 08 46 24.30 +24 11 14.3          20.4 V EW123291
     K09WA6F tC2009 11 26.42439 08 46 26.17 +24 11 31.7          20.6 V EW123291
     K09WA6F  C2009 11 26.45751 08 46 42.42 +24 13 55.9          19.8 V EW123G96
     K09WA6F  C2009 11 26.46289 08 46 45.04 +24 14 19.5          19.7 V EW123G96
     K09WA6F  C2009 11 26.46817 08 46 47.60 +24 14 42.6          19.8 V EW123G96
     K09WA6F  C2009 11 26.47348 08 46 50.08 +24 15 06.1          19.3 V EW123G96
     K09WA6F  C2009 11 26.47873 08 46 52.75 +24 15 28.7          19.9 V EW123G96
     K09WA6F  C2009 11 27.34698 08 54 21.74 +25 20 16.8          20.0 R EW123854
     K09WA6F  C2009 11 27.35485 08 54 25.88 +25 20 52.3          19.8 R EW123854
     K09WA6F  C2009 11 27.40042 08 54 49.59 +25 24 21.5          19.4 R EW123H36
     K09WA6F  C2009 11 27.40525 08 54 52.11 +25 24 43.8          19.4 R EW123H36
     K09WA6F  C2009 11 27.40767 08 54 53.42 +25 24 55.4          19.1 R EW123H36
     K09WA6F  C2009 11 27.42228 08 55 01.59 +25 26 04.9          19.7 V EW123G96
     K09WA6F  C2009 11 27.42288 08 55 01.88 +25 26 07.9          19.6 V EW123G96
     K09WA6F  C2009 11 27.42346 08 55 02.20 +25 26 10.6          19.5 V EW123G96
     K09WA6F  C2009 11 27.42402 08 55 02.49 +25 26 13.0          19.7 V EW123G96
     K09WA6F  C2009 11 27.42458 08 55 02.82 +25 26 15.7          19.7 V EW123G96
     K09WA6F  C2009 11 27.46179 08 55 22.55 +25 29 08.7          20.0 R EW123926
     K09WA6F  C2009 11 27.46497 08 55 24.26 +25 29 23.4          20.1 R EW123926
     K09WA6F  C2009 11 27.46815 08 55 25.94 +25 29 38.4          20.1 R EW123926

Observer details:
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + CCD.
703 Catalina Sky 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.  0.68-m Schmidt + CCD.
854 Sabino Canyon Observatory, Tucson.  Observer J. E. McGaha.  0.36-m f/10.0
    Schmidt-Cassegrain + CCD.
926 Tenagra II Observatory.  Observers P. R. Holvorcem, M. Schwartz.  Measurer
    P. R. Holvorcem.  0.81-m f/7 Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. Boattini.  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.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.

Orbital elements:
2009 WF106                                          PHA, Earth MOID = 0.0448 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 354.37149              (2000.0)            P               Q
n   0.26056405     Peri.  100.28926     -0.79573868     -0.07850619
a   2.4276890      Node    77.32757     -0.24471384     -0.86533806
e   0.7461799      Incl.   37.99004     +0.55399918     -0.49500183
P   3.78           H   20.0           G   0.15           U   9
Residuals in seconds of arc
091125 703  1.9+  0.8+    091125 703  0.1+  0.3-    091127 H36  0.5+  0.8-
091125 703  0.5+  0.8-    091126 291  0.9+  0.4+    091127 H36  0.1-  0.8-
091125 703  0.4+  0.7-    091126 291  0.3-  1.3+    091127 H36  0.3+  0.4-
091125 703  1.1+  1.4-    091126 291  2.3-  0.5+    091127 G96  0.2+  0.4-
091125 703  0.4+  0.2-    091126 G96  0.5+  0.0     091127 G96  0.2-  0.2-
091125 703  0.4-  0.2-    091126 G96  0.6+  0.0     091127 G96  0.0   0.2-
091125 703  1.2-  0.1+    091126 G96  0.5+  0.0     091127 G96  0.1-  0.4-
091125 703  0.4+  0.7-    091126 G96  0.9-  0.3+    091127 G96  0.4+  0.3-
091125 703  1.0-  0.8-    091126 G96  0.7+  0.1-    091127 926  0.4-  0.2-
091125 703  1.2+  0.8-    091127 854  1.5+  0.8+    091127 926  0.1-  0.3-
091125 703  0.5-  1.1+    091127 854  1.1+  0.3-    091127 926  0.3-  0.0

Ephemeris:
2009 WF106               a,e,i = 2.43, 0.75, 38                  q = 0.6162
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 11 25    08 35.40   +22 32.5    0.378    1.207   117.2    46.7    20.1
2009 11 30    09 21.24   +28 57.6    0.310    1.146   113.5    52.1    19.7
2009 12 05    10 34.96   +36 25.2    0.263    1.084   105.1    61.4    19.5
2009 12 10    12 23.49   +41 13.0    0.245    1.022    91.8    74.4    19.6
2009 12 15    14 16.00   +39 18.5    0.263    0.961    77.2    87.4    20.1
2009 12 20    15 35.33   +33 20.7    0.308    0.900    65.4    96.5    20.7
2009 12 25    16 24.32   +27 12.1    0.372    0.842    57.1   101.1    21.2

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-W123

Read MPEC 2009-W122 Read MPEC 2009-W124


MPEC number:

Enter an MPEC number in one of the following forms:

  • 1997-B01 (the full form)
  • J97B01 (the packed version of the full form)
  • B01 (the abbreviated form)

Valid HTML 4.01!