Monthly Archives: February 2015

Fireball over Jacksonville, Florida on Feb. 21

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A fireball west of Jacksonville, FL on Saturday, Feb. 21st  at 22:59:45 PM EST was detected by two all sky cameras, located in Melbourne, belonging to the Sky Sentinel Network.

The American Meteor Society has a write-up on this fireball at There were over a hundred eyewitness reports, and the trajectory determined from these agrees fairly well with a crude triangulation performed using the Sky Sentinel videos. These videos and eyewitness reports indicate that the fireball started just east of Lake City and moved NE at about 40,000 miles per hour, burning up about 30 miles west of Jacksonville. The apparent brightness of the meteor permits a crude estimate of about a foot for the object’s diameter, with a weight around 100 pounds.

NASA places a high priority on tracking asteroids and protecting our home planet from them. In fact, the U.S. has the most robust and productive survey and detection program for discovering near-Earth objects (NEOs). NASA’s NEO Program at NASA Headquarters, Washington, manages and funds the search, study and monitoring of asteroids and comets whose orbits periodically bring them close to Earth. NASA is also pursuing an Asteroid Redirect Mission (ARM) which will identify, redirect and send astronauts to explore an asteroid. Among its many exploration goals, the mission could demonstrate basic planetary defense techniques for asteroid deflection.