\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '878285')
NAIF_BODY_CODE+= ( 20878285)
NAIF_BODY_NAME+= ( '2011 XC')
NAIF_BODY_CODE+= ( 20878285)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20878285_MAG_HG = ( 20.835 0.150 )