EntityQ2474942· pop 9· linked from 38 articlesKosmos 1818Sign in to savesoviet surveillance satelliteConnectionsorbital inclinationEntityNASAConceptartificial satelliteEntityInternational Space StationConceptBaikonur CosmodromeEntityapparent magnitudeEntityorbital periodEntityapsisEntityorbital eccentricityEntityepochEntityradioactive decayEntityneutron moderatorEntityradioactive contaminationEntitygeocentric orbitEntityenriched uraniumEntityInternational DesignatorEntityNBC NewsEntitySatellite Catalog NumberEntityRussian Space ForcesEntitycoolantEntityCategories1987 in the Soviet UnionKosmos satellitesNuclear power in spaceReconnaissance satellites of the Soviet UnionSpacecraft launched in 1987