Also I thought that Sentinel was doing most of the near Earth asteroid work. https://en.wikipedia.org/wiki/Sentinel_Space_Telescope https://en.wikipedia.org/wi

Also I thought that Sentinel was doing most of the near Earth asteroid work. https://en.wikipedia.org/wiki/Sentinel_Space_Telescope https://en.wikipedia.org/wiki/Sentinel_Space_Telescope EDIT: Oops, I was actually thinking of WISE but found the wrong thing Googling. https://en.wikipedia.org/wiki/Wide-field_Infrared_Survey_Explorer https://en.wikipedia.org/wiki/Wide-field_Infrared_Survey_Exp... but apparently that isn't nearly as important as land based surveying.