Tags: Asteroid.
21410 Cahill is a main belt asteroid with a perihelion of 1.9828218 AU. It has an eccentricity of 0.1303733 and an orbital period of 1257.54 days (3.44 years).Cahill has an average orbital speed of 19.7250142 km/s and an inclination of 1.74917 °.The asteroid was discovered on March 20 1998 by LINEAR.The asteroid is named for James Andrew Cahill a finalist in the 2005 Intel Science Talent Search.