\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '884904')
NAIF_BODY_CODE+= ( 20884904)
NAIF_BODY_NAME+= ( '2017 XH62')
NAIF_BODY_CODE+= ( 20884904)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20884904_MAG_HG = ( 19.879 0.150 )