\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '886662')
NAIF_BODY_CODE+= ( 20886662)
NAIF_BODY_NAME+= ( '2021 JY')
NAIF_BODY_CODE+= ( 20886662)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20886662_MAG_HG = ( 18.711 0.150 )