511 Davida

511 Davida is one of the ten most massive Mars-Jupiter asteroids. It is approximately 270–310 km in diameter and comprises an estimated 1.5% of the total mass of the entire asteroid belt.

Mineral Survey

Mineral	2029 [1]	2031
Duranium	1,985 (1.0)	1,984 (1.0)
Neutronium	600 (1.0)	600 (1.0)
Tritanium	4,610 (1.0)	4,610 (1.0)
Boronide	2,134 (1.0)	2,134 (1.0)
Mercassium	3,295 (1.0)	3,295 (1.0)
Gallicite	18 (1.0)	18 (1.0)