\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '878384')
NAIF_BODY_CODE+= ( 20878384)
NAIF_BODY_NAME+= ( '2012 HG31')
NAIF_BODY_CODE+= ( 20878384)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20878384_MAG_HG = ( 18.734 0.150 )