Hiʻiaka is one of the two moons of Haumea.
- It was named after one of Haumeas daughters in Hawaiian mythology.
- It is larger than Namaka, the other moon of Haumea.
- It is larger than all but four asteroids- Ceres, Vesta, Pallas, and Hygiea.
- Hiʻiaka might be rounded by it's own gravity.