From- Space.Com By Elizabeth Howell Edited by - Amal Udawatta Images from the night of 2025 SC79's discovery showing its motion relative to background stars. (Image credit: Scott S. Sheppard) A newly found space rock almost broke a speed record. The asteroid , called 2025 SC79, has a pathway within the orbit of Venus that zips around the sun in only 128 days, making it the second-fastest unique asteroid orbit in the solar system, according to a statement from Carnegie Science. 2025 SC79 is also a pretty big asteroid: roughly 0.4 miles (700 meters) long, or roughly the length of a skyscraper. Carnegie astronomer Scott Sheppard, a noted discoverer of small moons around Jupiter , Saturn, Uranus and Neptune, spotted the asteroid on Sept. 27 hiding in the sun's glare. While 2025 SC79 will make no close approaches to Earth for the foreseeable future , finding hidden asteroids is essenti...