\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '886181')
NAIF_BODY_CODE+= ( 20886181)
NAIF_BODY_NAME+= ( '2020 EM')
NAIF_BODY_CODE+= ( 20886181)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20886181_MAG_HG = ( 19.636 0.150 )