\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '884842')
NAIF_BODY_CODE+= ( 20884842)
NAIF_BODY_NAME+= ( '2017 WC29')
NAIF_BODY_CODE+= ( 20884842)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20884842_MAG_HG = ( 17.945 0.150 )