Tags: Asteroid.
9478 Caldeyro is a main belt asteroid with a perihelion of 2.647588 AU. It has an eccentricity of 0.1431419 and an orbital period of 1983.83 days (5.43 years). It is named after pioneering perinatologist Roberto Caldeyro-Barcia.Caldeyro has an average orbital speed of 16.94423601 km/s and an inclination of 4.69503°.This asteroid was discovered on September 24 1960 by Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld.