Very large main-belt asteroid (386) Siegena was discovered by Max Wolf on March 1, 1894, in Heidelberg. The asteroid has an average diameter of about 165.01 km. It has an orbit characterised by a semi-major axis equal to 2.8941017 AU and an eccentricity of 0.1729483, with an inclination with respect to the ecliptic of 20.25597°.
