170P/Christensen is a periodic comet in the Solar System. It came to perihelion in September 2014 at about apparent magnitude 18. References External links Orbital simulation from JPL (Java) / Horizons Ephemeris 170P on Seiichi Yoshida's comet list Elements and Ephemeris for 170P/Christensen – Minor Planet Center Periodic comets 0170 170P 20050617