Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_206217_2 (period__h_ VARCHAR, eccentricity VARCHAR)
### Question:
What is every value of period when eccentricity is 0.583085?
### Answer:
SELECT period__h_ FROM table_206217_2 WHERE eccentricity = "0.583085"