Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_191323_2 (notes VARCHAR, nssdc_id_no VARCHAR)

### Question ###
What are the notes of the satellite whose nssdc id number is 1959-002a?

### Accurate SQL ###

SELECT notes FROM table_191323_2 WHERE nssdc_id_no = "1959-002A"