\begintext
 DynAstVO ephemeris
\begindata
NAIF_BODY_NAME+= ( '886832')
NAIF_BODY_CODE+= ( 20886832)
NAIF_BODY_NAME+= ( '2021 TJ57')
NAIF_BODY_CODE+= ( 20886832)
\begintext
  DynAstVO magnitude parameters.
\begindata
BODY20886832_MAG_HG = ( 21.308 0.150 )