The Chinese Yaogan-41 satellite is in geostationary orbit and might have a mirror in the 4m range. https://www.csis.org/analysis/no-place-hide-look-chinas-geos

The Chinese Yaogan-41 satellite is in geostationary orbit and might have a mirror in the 4m range. https://www.csis.org/analysis/no-place-hide-look-chinas-geosynchronous-surveillance-capabilities https://www.csis.org/analysis/no-place-hide-look-chinas-geos...