OSCAR

• Series of 21 operational meteorological satellites in polar orbit.
• Follow-on of the Meteor-1 series.  Main improvement: introduction of the IR temperature/humidity sounding mission.
• 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 1 year.
• Drifting orbits with high inclination.
• Replacement policy based on frequent launches: average 1.2 launches/year.
• See detailed description at https://directory.eoportal.org/missions/meteor.

Note: in the satellite descriptive sheets, because of uncertain EOL dates, a mission duration of 18 months has been assumed.

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