How to find tables for keep and recycle buffer pool

 Hello everybody ,

The database version is 10.2.0.3

I am using following query for identifying the tables for keep pool .

SELECT obj object,
count(1) buffers,
AVG(tch) average_touch_count
FROM x$bh
WHERE lru_flag = 8
GROUP BY obj
HAVING avg(tch) > 5
AND count(1) > 25;

but it giving me error ---ORA-00980: synonym translation is no longer valid

How to find tables for keep cache