There was this weird movie i saw

I remember seeing this one weird adult film that was a softcore film that I saw on HBO or CINEMAX. I can’t remeber the name but I remember the plot. It was about a blonde alien girl sent to earth to stop an asteroid from hitting the earth. She also had a partner on their ship or something. The film contained a lot of sex scenes, 1 was a bar sex scene, another was a sex scene in a room or hotel. And I remember  towards the end there, the asteroids was destroyed and they celebrated by having a threesome. Does anyone know the name of this adult film?

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