Like main belt asteroids , Trojans form families .
The total number of Jupiter Trojans larger than 1 km is believed to be about 1 million , approximately equal to the number of asteroids larger than 1 km in the main asteroid belt .
Like main belt asteroids , Jupiter Trojans form families .
The total number of Jupiter Trojans larger than 1 km is believed to be about 1 million , approximately equal to the number of asteroids larger than 1 km in the main asteroid belt .