10_hygiea | epoch | 2015-06-27 <tsp> 10_hygiea | escapevelocity | 021 (kilometreperseconds) <tsp> 10_hygiea | surfacearea | 837080744 (squarekilometres) <tsp> 10_hygiea | temperature | 1640 (kelvins) <tsp> 10_hygiea | apoapsis | 52395158233968 (kilometres) <sep> hygiea (minor-planet designation: 10 hygiea) is a major asteroid and possible dwarf planet located in the main asteroid belt with a diameter of 434 kilometres (270 mi) and a mass estimated to be 3% of the total mass of the belt, it is the fourth-largest asteroid in the solar system by both volume and mass in some spectral classifications it is the largest of the dark c-type asteroids with a carbonaceous surface, whereas in others it is second after 1 ceres observations taken with the very large telescope's sphere imager in 2017 and 2018, and announced in late 2019, revealed that hygiea is nearly spherical and is close to a hydrostatic equilibrium shape the authors of the study therefore consider it a possible dwarf planet 
the surface area of the asteroid 10 hygiea is 837.080.744 square kilometres while its temperatures is 164 degrees kelvin. the asteroid has an epoch date of june 27th. an escape velocity of 0.21 kilometres a second and an apoapsis of 523.951.582.33968 kilometres.no information