\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '885377')
NAIF_BODY_CODE+= ( 20885377)
NAIF_BODY_NAME+= ( '2018 YU')
NAIF_BODY_CODE+= ( 20885377)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20885377_MAG_HG = ( 19.733 0.150 )