757 Portlandia

[1] It was discovered on 30 September 1908 from Taunton, Massachusetts by the amateur American astronomer Joel E. Metcalf.

The asteroid was named for the city of Portland, Maine, where Hastings was a church minister at the time.

[citation needed] This body is orbiting at a distance of 2.37 AU with a period of 3.66 years and an eccentricity of 0.109.

This asteroid spans a girth of 32.89±0.24 km and is rotating with a period of 6.58 hours.

The resulting chords were used to determine a diameter estimate of 36.7 km.