No. An asteroid can be anything from 10 metres to 487km as in the case of Ceres the largest asteroid.
That's right; Ceres is the largest asteroid.
None. Even the smallest planets are larger than the largest asteroids.
The largest asteroid, Ceres, is in the asteroid belt.
asteroid Ceres
According to the US naval astronomical applications department the 3rd largest asteroid body is called 4 Vesta. Ref: http://aa.usno.navy.mil/faq/docs/asteroid_masses Actually, they do not know what the largest asteroid is since Pallas and Vesta both have been designated as the second largest asteroid after Ceres, which is no longer an asteroid. Since Ceres is a dwarf planet now, Pallas or Vesta is the largest now. Since Ceres is a dwarf planet, the third largest asteroid is Hygiea now. Pallas and Vesta are the top two largest asteroids now. Vesta is more massive than Pallas, though.
No. For one thing, Halley's comet is a comet, not an asteroid. The largest asteroid is Ceres, which is far larger than Halley's comet.
The largest asteroid is far smaller the Pluto. The largest asteroid in our solar system is Ceres, with a diameter of about 900 kilometers. Pluto has a diameter of about 2,300 kilometers.
Ceres is the only round asteroid and the largest asteroid in the asteroid belt.
the largest asteroid ever found" The largest asteroid is CERES, in the asteroid belt between Mars and Jupiter. It is 580 miles (930 km) in diameter , about the size of Texas. It accounts for about 25% of the total mass of the belt.
VESTA
Ceres.