Printer-friendly version

IAU Minor Planet Center

Minor Planet Center

MPEC 2009-W28 : 2009 WK1

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-W27 Read MPEC 2009-W29


M.P.E.C. 2009-W28                                Issued 2009 Nov. 18, 17:26 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 WK1

Observations:
     K09W01K* C2009 11 17.29633 03 12 21.60 +15 52 37.8          21.1 V EW028G96
     K09W01K  C2009 11 17.30389 03 12 28.90 +15 52 13.2          20.6 V EW028G96
     K09W01K  C2009 11 17.31141 03 12 36.14 +15 51 48.4          20.2 V EW028G96
     K09W01K  C2009 11 17.31904 03 12 43.52 +15 51 23.0          20.1 V EW028G96
     K09W01K  C2009 11 17.36740 03 13 30.68 +15 48 37.8          20.8 V EW028G96
     K09W01K  C2009 11 17.37294 03 13 35.79 +15 48 22.2          20.2 V EW028G96
     K09W01K  C2009 11 17.37847 03 13 41.19 +15 48 02.9          20.5 V EW028G96
     K09W01K  C2009 11 17.39765 03 13 59.78 +15 46 45.6          19.4 R EW028H01
     K09W01K  C2009 11 17.40355 03 14 05.68 +15 46 24.5          19.2 R EW028H01
     K09W01K  C2009 11 17.40959 03 14 11.72 +15 46 03.1          19.2 R EW028H01
     K09W01K  C2009 11 17.41355 03 14 15.69 +15 45 49.0          19.2 R EW028H01
     K09W01K  C2009 11 17.41694 03 14 19.10 +15 45 36.7          19.3 R EW028H01
     K09W01K  C2009 11 17.86075 03 22 38.30 +15 19 20.4                 EW028J95
     K09W01K  C2009 11 17.87368 03 22 51.73 +15 18 37.1          20.3 R EW028J95
     K09W01K tC2009 11 18.14482 03 27 56.23 +15 03 23.2          20.3 V EW028291
     K09W01K  C2009 11 18.21740 03 29 11.73 +14 59 13.8          20.6 R EW028926
     K09W01K  C2009 11 18.22032 03 29 14.68 +14 59 03.2          20.6 R EW028926
     K09W01K  C2009 11 18.22326 03 29 17.75 +14 58 52.8          20.5 R EW028926
     K09W01K  C2009 11 18.32701 03 31 03.97 +14 52 22.5          19.8 V EW028G96
     K09W01K  C2009 11 18.33556 03 31 12.75 +14 51 49.1          20.2 V EW028G96
     K09W01K  C2009 11 18.34427 03 31 21.75 +14 51 15.6          20.3 V EW028G96
     K09W01K  C2009 11 18.35281 03 31 30.54 +14 50 41.6          20.1 V EW028G96
     K09W01K  C2009 11 18.37059 03 31 48.18 +14 49 23.1          19.7 R EW028H01
     K09W01K  C2009 11 18.37411 03 31 51.86 +14 49 08.9          19.4 R EW028H01
     K09W01K  C2009 11 18.37755 03 31 55.45 +14 48 55.1          19.5 R EW028H01
     K09W01K  C2009 11 18.38264 03 32 00.78 +14 48 34.6          19.4 R EW028H01

Observer details:
291 LPL/Spacewatch II.  Observer R. S. McMillan.  1.8-m f/2.7 reflector + 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 S. M. Larson.  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 WK1                                                 Earth MOID = 0.0302 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  16.94972              (2000.0)            P               Q
n   0.48727794     Peri.  195.71272     +0.35423980     -0.93402475
a   1.5993796      Node   233.56221     +0.86402370     +0.34569890
e   0.3660936      Incl.    3.27470     +0.35773902     +0.08994462
P   2.02           H   27.1           G   0.15           U   6
Residuals in seconds of arc
091117 G96  0.0   0.0     091117 H01  0.2-  0.1+    091118 G96  0.3+  0.0
091117 G96  0.2+  0.1+    091117 H01  0.2-  0.1+    091118 G96  0.2+  0.2-
091117 G96  0.1+  0.0     091117 H01  0.2-  0.1-    091118 G96  0.6+  0.3+
091117 G96  0.2+  0.2-    091117 J95  0.5+  0.1-    091118 G96  0.4+  0.2-
091117 G96 (2.3+  1.9-)   091117 J95  0.3-  0.0     091118 H01  0.2-  0.2+
091117 G96 (2.3-  1.7+)   091118 291  0.3-  0.1+    091118 H01  0.1-  0.1+
091117 G96 (2.8-  1.6+)   091118 926  0.2+  0.0     091118 H01  0.2-  0.1+
091117 H01  0.2-  0.3+    091118 926  0.6-  0.1-    091118 H01  0.1-  0.0
091117 H01  0.1-  0.1+    091118 926  0.1+  0.0

Ephemeris:
2009 WK1                 a,e,i = 1.60, 0.37, 3                   q = 1.0139
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 11 15    02 35.07   +17 34.5    0.0372   1.026   169.1    10.5    20.7
2009 11 17    03 07.19   +16 09.4    0.0343   1.023   174.1     5.7    20.3
2009 11 19    03 43.90   +14 09.2    0.0321   1.020   174.5     5.3    20.1
2009 11 21    04 23.72   +11 33.8    0.0310   1.018   167.7    12.0    20.3
2009 11 23    05 04.23   +08 32.9    0.0309   1.017   159.4    20.0    20.6
2009 11 25    05 42.78   +05 24.8    0.0319   1.015   151.3    27.8    20.9
2009 11 27    06 17.38   +02 27.9    0.0338   1.014   144.1    34.8    21.2
2009 11 29    06 47.16   -00 06.3    0.0365   1.014   138.1    40.6    21.5
2009 12 01    07 12.12   -02 14.1    0.0399   1.014   133.3    45.0    21.9
2009 12 03    07 32.77   -03 57.1    0.0436   1.014   129.8    48.3    22.1
2009 12 05    07 49.77   -05 18.8    0.0477   1.015   127.2    50.7    22.4

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-W28

Read MPEC 2009-W27 Read MPEC 2009-W29


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!