\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '894658')
NAIF_BODY_CODE+= ( 20894658)
NAIF_BODY_NAME+= ( '2018 BL3')
NAIF_BODY_CODE+= ( 20894658)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20894658_MAG_HG = ( 19.896 0.150 )