967 Helionape

967 Helionape is an asteroid belonging to the Flora family of Main Belt asteroids. It was discovered by German astronomer Walter Baade at Hamburg Observatory on November 9, 1921, and was named after the Austrian theatrical actor Adolf von Sonnenthal. This object is orbiting the Sun at a distance of $0.178$ with a period of 3.32 years and an eccentricity of 0.168. The orbital plane is inclined at an angle of 5.4° to the ecliptic.

Its diameter is about 12 km and it has an albedo of 0.178. Photometric observations in 2007 generated a light curve showing a rotation period of $5.985$. The brightness amplitude during the measured period was $2.23 AU$ magnitude.