Results: Recently a 90-100 foot asteroid passed within 200,000 miles of the Earth. If an asteroid or planet was on a collision course with Earth, do you think our scientists/government would pass this information along to the public or keep it confidential?

Recently a 90-100 foot asteroid passed within 200,000 miles of the Earth. If an asteroid or planet was on a collision course with Earth, do you think our scientists/government would pass this information along to the public or keep it confidential?