* Astronomy

The 660-meter asteroid 2008 WZ13 was discovered on 20 November by the Mount Lemmon Survey.

Orbital elements:
2008 WZ13                                           PHA, Earth MOID = 0.0264 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 253.54152              (2000.0)            P               Q
n   0.46446789     Peri.  152.15493     -0.90342815     +0.41137887
a   1.6513238      Node    52.65047     -0.41616174     -0.77368749
e   0.4300520      Incl.    8.73819     -0.10308723     -0.48184551
P   2.12           H   18.4           G   0.15           U   9

MPEC 2008-W30 

Object: 2008WZ13  

     date         MJD       sigma sigimp   dist ±   width    stretch    p_RE    exp. en.    PS  
   YYYY/MM                                 (RE)       (RE)      RE/sig               MT           
--------------------------------------------------------------------------------------------------
2037/05/12.208  65190.208  -1.574 0.355   11.34 ±   28.060  2.18E+04  4.48E-07  4.15E-03  -3.11
2051/05/12.307  70303.307  -1.543 1.005   29.78 ±   28.262  1.53E+05  4.77E-08  4.43E-04  -4.25
2051/05/12.754  70303.754  -1.398 0.077    3.57 ±   28.298  2.64E+04  4.79E-07  4.53E-03  -3.24
2062/05/10.492  74319.492  -2.318 3.642  101.99 ±   27.618  2.39E+05  4.99E-11  4.25E-07  -7.36
2062/05/11.538  74320.538  -1.954 1.436   41.00 ±   27.600  4.41E+04  5.79E-08  5.13E-04  -4.28
2062/05/12.571  74321.571  -1.592 0.615   19.03 ±   28.695  8.14E+05  7.39E-09  6.83E-05  -5.16

Based on   50 optical observations (of which   0 are rejected as outliers)
from 2008/11/20.276 to 2008/12/02.403.

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