June 20, 2018

09.04.11: 2010 SO16-A World in a Bizzaro Orbit.

A horseshoe orbit. (Credit: NASA).

Ever wondered what local space would be like if the Earth had more than one moon? Well, it turns out that we do have several natural interlopers; sort of. Recently, researchers A.A. Christou and D. J. Asher of Armagh Observatory in Northern Ireland reported on the discovery of a unique Near-Earth Asteroid (NEA): 2010 SO16, a 200-400 meter space rock locked in a horse-shoe orbit with Earth. [Read more...]