CREATE TABLE table_12141496_1 (perigee__km_ NUMBER, decay_date VARCHAR2)

What was the maximum perigee on 1969-01-09?
SELECT MAX(perigee__km_) FROM table_12141496_1 WHERE decay_date = "1969-01-09"
SELECT MAX("perigee__km_") FROM "table_12141496_1" WHERE "1969-01-09" = "decay_date"