\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '884186')
NAIF_BODY_CODE+= ( 20884186)
NAIF_BODY_NAME+= ( '2017 DT37')
NAIF_BODY_CODE+= ( 20884186)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20884186_MAG_HG = ( 18.222 0.150 )