Assertion: satellite | /r/HasProperty | maintained within cube
Facets:
value: close to each other
type: LOCATION
value: with a size of 150 km
type: OTHER
Source sentences:
text: There are 16 operational Astra satellites, the majority in five orbital locations - Astra 19.2°E, Astra 28.2°E, Astra 23.5°E, Astra 5°E, Astra 31.5°E. Astra's principle of "co-location" (several satellites are maintained close to each other, all within a cube with a size of 150 km) increases flexibility and redundancy.