\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '885376')
NAIF_BODY_CODE+= ( 20885376)
NAIF_BODY_NAME+= ( '2018 YJ')
NAIF_BODY_CODE+= ( 20885376)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20885376_MAG_HG = ( 18.186 0.150 )