OSCAR

• Series of 6 operational meteorological satellites in polar orbit.
• Follow-on of the Meteor-2 series.  Main improvemens: more performing platform and more instruments.  The last two satellites hosting foreign instruments for ozone and Earth radiation budget, respectively.
• National Russian programme: RosHydroMet responsible of the overall programme and of running the operational phase, Roscosmos responsible of the development of the space segment.
• Satellites actively stabilised over 3 axes.
• The design lifetime was 2 years.
• Drifting orbits with high inclination.
• Replacement policy based on frequent launches: average 1 launch / 1.5 years.
• See detailed description at https://directory.eoportal.org/missions/m/meteor-3.

Note: in the satellite descriptive sheets, because of uncertain EOL dates, a mission duration of 2 years has been assumed.

• Data stored onboard and downlinked to RosHydroMet acquisition stations.  Processed and disseminated by RosHydroMet.