\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '846169')
NAIF_BODY_CODE+= ( 20846169)
NAIF_BODY_NAME+= ( '2019 GY19')
NAIF_BODY_CODE+= ( 20846169)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20846169_MAG_HG = ( 21.663 0.150 )