<Tr> <Th> Semi-major axis </Th> <Td> 7013758162008707600 ♠ 506.8 AU 7013757300000000000 ♠ 7.573 × 10 km </Td> </Tr> <Tr> <Th> Eccentricity </Th> <Td> 6999854910000000000 ♠ 0.854 91 ± 0.000 29 </Td> </Tr> <Tr> <Th> Orbital period </Th> <Td> ≈ 7004114000000000000 ♠ 11 400 yr </Td> </Tr> <Tr> <Th> Average orbital speed </Th> <Td> 1.04 km / s </Td> </Tr>

Which planet in our solar system has the fastest speed in orbiting sun