\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '856903')
NAIF_BODY_CODE+= ( 20856903)
NAIF_BODY_NAME+= ( '2011 YS62')
NAIF_BODY_CODE+= ( 20856903)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20856903_MAG_HG = ( 19.533 0.150 )