Status of terra MODIS and aqua modis Original Research Article

Nearly identical copies of the Moderate Resolution Imaging Spectroradiometer (MODIS) have been operating onboard the Earth Observing System (EOS) Terra and Aqua satellites for 34 and 5 months respectively. Both are performing as designed. Sensitivities, with minor exceptions, are better than specified. Short- and long-term stability is very good. Trending of the Terra sensor has revealed degradation of the solar diffuser and the response of several VIS bands of a few percent per year.