354P/LINEAR is a small Solar System body that displayed characteristics of both an asteroid and a comet, and thus, was initially given a cometary designation. Because it has the orbit of a main-belt asteroid and showed the tail of a comet, it was listed as a main-belt comet.
Orbital period: 1,267 days
Discovered: January 6, 2010
Perihelion: 986.5222441 billion′ 0″
Semimajor axis: 1.123948228 trillion′ 0″
Discoverer: Lincoln Near-Earth Asteroid Research
Orbital eccentricity: 0.1246