\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '831781')
NAIF_BODY_CODE+= ( 20831781)
NAIF_BODY_NAME+= ( '2009 WF106')
NAIF_BODY_CODE+= ( 20831781)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20831781_MAG_HG = ( 19.613 0.150 )