What is this exoplanet's mass?

A starship is in an elliptical orbit in the equatorial plane of an exoplanet.

When the starship is at periapsis, the exoplanet's equatorial angular diameter is 16.3060482° and its polar angular diameter is 16.2567986° .

When the starship is at apoapsis, the exoplanet's equatorial angular diameter is 12.0634564° and its polar angular diameter is 12.0271323°.

The period of the starship's orbit around the exoplanet is 30 hours.

The starship's minimum altitude above the exoplanet's surface is 52,568,218 meters.

What is the exoplanet's mass?

2017-04-11T00:37:33.809Z