\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '884090')
NAIF_BODY_CODE+= ( 20884090)
NAIF_BODY_NAME+= ( '2017 BL3')
NAIF_BODY_CODE+= ( 20884090)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20884090_MAG_HG = ( 20.202 0.150 )