Asteroids, also known as minor planets or planetoids, are chunks of rock and metal hurtling around in space. While most of them are found in the asteroid belt, some manage to travel close enough to burn up in our atmosphere or destroy most of the life on earth, like what happened to the dinosaurs. Asteroids were first discovered by Giuseppi Piazzi when he discovered Ceres way back in 1801, and there were approximately 88 more discovered by 1866. Asteroids range in size from 1,000 KM to small dust particles. The asteroid belt is continuously and infinitely growing due to the asteroids colliding and breaking apart.
The asteroid, 2063 Bacchus is classified as an Apollo asteroid, which means that it crosses the orbital path of the Earth. It also, however, crosses the orbital paths of Mars and Venus. It is composed of rocky materials and silicates, making it an S-type asteroid. Bacchus is a bi-lobed celestial body with a size of 3.146 km sq or 1.1 km x 2.6 km x 1.1 km. It's orbit take about 1.12 Earth years. It has about a 2.3% chance of colliding with Earth, it is possible, however, very unlikely.
Castalia is classified as an Apollo asteroid. It is composed of rocky materials and silicates. It is roughly 1.4 kilometers in diameter. It is 1.034 astronomical units from the sun. It's orbit is about four hundred and two days or 1.10 years. The possibility of a collision between Castalia and Earth is very low, we astimate about a 4.7% chance. Castalia was discovered in 1989.
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