St-Robert meteorite
Encyclopedia
St-Robert is a ordinary chondrite
meteorite
fell on Quebec
on June 14, 1994.
, Ontario
, New Hampshire
, Vermont
and New York
. The terminal point of the fireball was located 50 km northeast of Montreal, Quebec at an altitude of ~36 km. A sonic boom shook the entire Montreal region as the fireball passed overhead. The fireball was recorded by satellites maintained by the U.S. Department of Defense and seismographic stations within Canada. Observers in the area of Saint-Robert who witnessed the terminal explosion also heard the fragments falling and striking the earth.
The first mass was recovered within minutes of the fall, from a 25 cm deep pit, 3 km east of Saint-Robert
by Stephane Forcier. The stone was cold to the touch. Over the next three months 20 other stones were recovered from shallow pits, with largest weighing 6.5 kg.
Ordinary chondrite
The Ordinary chondrites are a class of stony chondritic meteorites. They are by far the most numerous group and comprise about 87% of all finds...
meteorite
Meteorite
A meteorite is a natural object originating in outer space that survives impact with the Earth's surface. Meteorites can be big or small. Most meteorites derive from small astronomical objects called meteoroids, but they are also sometimes produced by impacts of asteroids...
fell on Quebec
Quebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....
on June 14, 1994.
History
The entry of a ~2 tonne meteoroid into the earth's atmosphere produced a daylight fireball visible from QuebecQuebec
Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....
, Ontario
Ontario
Ontario is a province of Canada, located in east-central Canada. It is Canada's most populous province and second largest in total area. It is home to the nation's most populous city, Toronto, and the nation's capital, Ottawa....
, New Hampshire
New Hampshire
New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...
, Vermont
Vermont
Vermont is a state in the New England region of the northeastern United States of America. The state ranks 43rd in land area, , and 45th in total area. Its population according to the 2010 census, 630,337, is the second smallest in the country, larger only than Wyoming. It is the only New England...
and New York
New York
New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...
. The terminal point of the fireball was located 50 km northeast of Montreal, Quebec at an altitude of ~36 km. A sonic boom shook the entire Montreal region as the fireball passed overhead. The fireball was recorded by satellites maintained by the U.S. Department of Defense and seismographic stations within Canada. Observers in the area of Saint-Robert who witnessed the terminal explosion also heard the fragments falling and striking the earth.
The first mass was recovered within minutes of the fall, from a 25 cm deep pit, 3 km east of Saint-Robert
Saint-Robert, Quebec
Saint-Robert is a municipality southeast of Sorel-Tracy in the Regional county municipality of Pierre-De Saurel, in Montérégie, Quebec. The population as of the Canada 2006 Census was 1,713. About 20 meteorites from the St-Robert meteorite shower were found here.-Population:Population...
by Stephane Forcier. The stone was cold to the touch. Over the next three months 20 other stones were recovered from shallow pits, with largest weighing 6.5 kg.