NEA 1998 SH2 is Really a Comet

[PMSchu]

Here's an article describing new work about a new type of solar system objects called "dark comets". The NEA 1998 SH2 was reclassified as a dark comet because it had changed its orbit due to sublimating ice. 

https://www.sciencealert.com/a-near-eart...ry-defense

This is going to make predicting their orbits more difficult.

Hope you find it interesting,

Phil S.