\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '873204')
NAIF_BODY_CODE+= ( 20873204)
NAIF_BODY_NAME+= ( '2019 HH4')
NAIF_BODY_CODE+= ( 20873204)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20873204_MAG_HG = ( 19.622 0.150 )