\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '884829')
NAIF_BODY_CODE+= ( 20884829)
NAIF_BODY_NAME+= ( '2021 WF')
NAIF_BODY_CODE+= ( 20884829)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20884829_MAG_HG = ( 19.378 0.150 )