\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '876841')
NAIF_BODY_CODE+= ( 20876841)
NAIF_BODY_NAME+= ( '2008 XB1')
NAIF_BODY_CODE+= ( 20876841)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20876841_MAG_HG = ( 20.777 0.150 )