\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '883024')
NAIF_BODY_CODE+= ( 20883024)
NAIF_BODY_NAME+= ( '2016 GU221')
NAIF_BODY_CODE+= ( 20883024)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20883024_MAG_HG = ( 20.025 0.150 )