Active asteroid
BODIES ORBITING WITHIN THE MAIN ASTEROID BELT WHICH HAVE SHOWN COMETARY ACTIVITY DURING PART OF THEIR ORBIT
Main-belt comets; Main belt comet; Active Asteroids; Draft:Active asteroid; Main-belt comet; 2001 NL19
Active asteroids are small Solar System bodies that have asteroid-like orbits but show comet-like visual characteristics. That is, they show comae, tails, or other visual evidence of mass-loss (like a comet), but their orbit remains within Jupiter's orbit (like an asteroid).