\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '877458')
NAIF_BODY_CODE+= ( 20877458)
NAIF_BODY_NAME+= ( '2010 JF')
NAIF_BODY_CODE+= ( 20877458)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20877458_MAG_HG = ( 19.110 0.150 )