311P/PanSTARRS, also known as P/2013 P5, is an active asteroid discovered by Bryce T. Bolin using the Pan-STARRS telescope on 27 August 2013. Observations made by the Hubble Space Telescope revealed that it had six comet-like tails. From Wikipedia
Designed to gather data around Earth’s quasi-satellite, the probe is scheduled to deliver samples to Earth in 2027 then journey to comet 311P.
