\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '885021')
NAIF_BODY_CODE+= ( 20885021)
NAIF_BODY_NAME+= ( '2018 BY2')
NAIF_BODY_CODE+= ( 20885021)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20885021_MAG_HG = ( 20.161 0.150 )