\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '891778')
NAIF_BODY_CODE+= ( 20891778)
NAIF_BODY_NAME+= ( '2015 BO509')
NAIF_BODY_CODE+= ( 20891778)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20891778_MAG_HG = ( 19.174 0.150 )