\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '805737')
NAIF_BODY_CODE+= ( 20805737)
NAIF_BODY_NAME+= ( '2016 GW216')
NAIF_BODY_CODE+= ( 20805737)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20805737_MAG_HG = ( 22.436 0.150 )