Scientists have just discovered a new planet, tentatively named CK-52816, that spins in the opposite direction than it orbits the sun. Based on this information, what do we know about this planet?

- it must have a carbon-based atmosphere
- it is at least 20 AU from the sun
- it can be considered an ice giant
- it has retrograde rotation

- it likely has a highly tilted axis

- it may have experienced a significant impact event in its past
- it could have a unique magnetic field compared to other planets