\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '857421')
NAIF_BODY_CODE+= ( 20857421)
NAIF_BODY_NAME+= ( '2012 KL18')
NAIF_BODY_CODE+= ( 20857421)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20857421_MAG_HG = ( 18.756 0.150 )