Radar Reveals Two Moons Orbiting Asteroid Florence

Radar images of asteroid 3122 Florence obtained at the 70-meter antenna at NASA’s Goldstone Deep Space Communications Complex between August 29 and September 1 have revealed that the asteroid has two small moons, and also confirmed that main asteroid Florence is about 4.5 km (2.8 miles) in size. Florence is only the third triple asteroid […]

Large Asteroid Florence Will Fly by Earth on September 1 (Updated: 2017-08-31)

An asteroid named Florence, one of the largest of the near-Earth asteroids, will approach close to Earth at the end of August, and will fly safely past our planet on September 1. At its closest point, Florence will be 4.4 million miles (7.0 million kilometers) from Earth, or about 18 times the average Earth-Moon distance. […]

Large Asteroid to Safely Pass Earth on Sept. 1

Asteroid Florence, a large near-Earth asteroid, will pass safely by Earth on Sept. 1, 2017, at a distance of about 4.4 million miles, (7.0 million kilometers, or about 18 Earth-Moon distances). Florence is among the largest near-Earth asteroids that are several miles in size; measurements from NASA’s Spitzer Space Telescope and NEOWISE mission indicate it’s […]

Asteroid Flyby Will Benefit NASA Detection and Tracking Network

NASA scientists are excited about the upcoming close flyby of a small asteroid and plan to use its upcoming October close approach to Earth as an opportunity not only for science, but to test NASA’s network of observatories and scientists who work with planetary defense. Powered by WPeMatico