• Processing (Info)

    • MPEC 2009-W36 : 2009 WL6

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    M.P.E.C. 2009-W36                                Issued 2009 Nov. 19, 18:02 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 WL6

Observations:
     K09W06L* C2009 11 18.09794 22 28 54.55 -04 54 48.7          20.9 V EW036G96
     K09W06L  C2009 11 18.10319 22 28 55.45 -04 54 34.7          20.8 V EW036G96
     K09W06L  C2009 11 18.10849 22 28 56.28 -04 54 18.6          21.2 V EW036G96
     K09W06L  C2009 11 18.11376 22 28 57.14 -04 54 03.3          21.2 V EW036G96
     K09W06L  C2009 11 18.14236 22 29 01.88 -04 52 38.2          20.2 R EW036H01
     K09W06L  C2009 11 18.14613 22 29 02.51 -04 52 27.1          20.1 R EW036H01
     K09W06L  C2009 11 18.15187 22 29 03.46 -04 52 09.8          20.3 R EW036H01
     K09W06L  C2009 11 18.15197 22 29 03.51 -04 52 09.8          21.3 V EW036G96
     K09W06L  C2009 11 18.15771 22 29 04.44 -04 51 52.6          20.4 R EW036H01
     K09W06L  C2009 11 18.15781 22 29 04.52 -04 51 52.3          22.1 V EW036G96
     K09W06L  C2009 11 18.16257 22 29 05.24 -04 51 38.1          20.3 R EW036H01
     K09W06L  C2009 11 18.16370 22 29 05.46 -04 51 34.7          21.8 V EW036G96
     K09W06L  C2009 11 18.16948 22 29 06.43 -04 51 16.9          21.1 V EW036G96
     K09W06L  C2009 11 19.08493 22 31 45.17 -04 06 02.7          21.0 R EW036926
     K09W06L  C2009 11 19.08868 22 31 45.76 -04 05 51.4          20.4 R EW036926
     K09W06L  C2009 11 19.09244 22 31 46.44 -04 05 41.3          20.4 R EW036926
     K09W06L tC2009 11 19.10897 22 31 49.17 -04 04 52.8          21.7 V EW036291
     K09W06L tC2009 11 19.11279 22 31 49.84 -04 04 40.7          21.3 V EW036291
     K09W06L tC2009 11 19.11649 22 31 50.48 -04 04 29.1          21.5 V EW036291
     K09W06L  C2009 11 19.13078 22 31 52.78 -04 03 47.4          21.3 V EW036G96
     K09W06L  C2009 11 19.13156 22 31 52.93 -04 03 45.2          22.0 V EW036G96
     K09W06L  C2009 11 19.18505 22 32 01.89 -04 01 06.9          20.6 R EW036H01
     K09W06L  C2009 11 19.18999 22 32 02.73 -04 00 52.4          20.6 R EW036H01
     K09W06L  C2009 11 19.19517 22 32 03.60 -04 00 37.0          20.5 R EW036H01
     K09W06L  C2009 11 19.20072 22 32 04.54 -04 00 20.5          20.4 R EW036H01

Observer details:
291 LPL/Spacewatch II.  Observer T. H. Bressi.  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.  Observers S. M. Larson, 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.

Orbital elements:
2009 WL6                                                 Earth MOID = 0.1866 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  13.36796              (2000.0)            P               Q
n   0.24813618     Peri.    1.14692     +0.90179160     -0.42168572
a   2.5080873      Node    24.48754     +0.39466958     +0.71434858
e   0.5286694      Incl.   13.19578     +0.17609042     +0.55846868
P   3.97           H   20.3           G   0.15           U   9
Residuals in seconds of arc
091118 G96  0.4+  1.4+    091118 G96  0.9+  0.0     091119 291  1.0+  0.9+
091118 G96  0.9+  0.2-    091118 H01  0.5+  0.4+    091119 G96  0.2-  0.4+
091118 G96  0.2+  0.1+    091118 G96  0.3+  0.0     091119 G96  0.1+  0.2+
091118 G96  0.0   0.2-    091118 G96  0.4+  0.7+    091119 H01  0.4+  0.3+
091118 H01  0.6+  0.3+    091119 926  0.6+  0.6+    091119 H01  0.5+  0.2+
091118 H01  0.7+  0.2+    091119 926  0.1+  0.8+    091119 H01  0.5+  0.2+
091118 H01  0.6+  0.4+    091119 926  0.9+  0.2-    091119 H01  0.5+  0.3+
091118 G96  0.3+  0.2-    091119 291  0.2+  0.5-
091118 H01  0.7+  0.3+    091119 291  0.7+  0.2+

Ephemeris:
2009 WL6                 a,e,i = 2.51, 0.53, 13                  q = 1.1821
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2009 11 15    22 20.13   -07 28.2    0.481    1.183   101.5    55.0    21.1
2009 11 25    22 49.21   +00 43.0    0.505    1.193   101.1    54.3    21.2
2009 12 05    23 20.23   +08 27.1    0.542    1.213   101.2    52.8    21.3
2009 12 15    23 52.86   +15 23.0    0.592    1.244   101.2    50.9    21.5
2009 12 25    00 26.86   +21 19.1    0.655    1.283   101.1    48.8    21.7
2010 01 04    01 01.86   +26 11.5    0.731    1.329   100.6    46.6    22.0

Sonia Keys                   (C) Copyright 2009 MPC           M.P.E.C. 2009-W36

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