CREATE TABLE table_24412 ("Satellite" TEXT, "Launch date  ( UTC ) " TEXT, "Decay" TEXT, "Mass ( kg ) " TEXT, "Diameter ( m ) " TEXT, "NSSDC ID" TEXT, "Nation" TEXT, "Usage" TEXT)

What was the decay for the sattelite that was 180 kg?
SELECT "Decay" FROM table_24412 WHERE "Mass(kg)" = '180'
SELECT "Decay" FROM "table_24412" WHERE "Mass(kg)" = '180'