CREATE TABLE table_22836 ("Mission No." TEXT, "Cover Name" TEXT, "Launch Date" TEXT, "NSSDC ID No." TEXT, "Alt. Name" TEXT, "Camera" TEXT, "Notes" TEXT)

What are the notes of the satellite whose nssdc id number is 1959-002a?
SELECT "Notes" FROM table_22836 WHERE "NSSDC ID No." = '1959-002A'
SELECT "Notes" FROM "table_22836" WHERE "NSSDC ID No." = '1959-002A'