\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '875461')
NAIF_BODY_CODE+= ( 20875461)
NAIF_BODY_NAME+= ( '2003 YJ')
NAIF_BODY_CODE+= ( 20875461)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20875461_MAG_HG = ( 20.157 0.150 )