These graphics show the current best prediction of the location and time of MESSENGER's impact on Mercury's surface, as of 24 hours before the impact. Those current best estimates are: *"Date": 30 April 2015 *"Time": 3:26:02 pm EDT (19:26:02 UTC) *"Latitude": 54.4° N *"Longitude": 210.1° E Traveling at 3.91 kilometers per second (over 8,700 miles per hour), the MESSENGER spacecraft will collide with Mercury's surface, creating a crater estimated to be 16 meters (52 feet) in diameter.