\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '888953')
NAIF_BODY_CODE+= ( 20888953)
NAIF_BODY_NAME+= ( '2015 XR129')
NAIF_BODY_CODE+= ( 20888953)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20888953_MAG_HG = ( 18.437 0.150 )