\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '894429')
NAIF_BODY_CODE+= ( 20894429)
NAIF_BODY_NAME+= ( '2017 TJ1')
NAIF_BODY_CODE+= ( 20894429)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20894429_MAG_HG = ( 20.513 0.150 )