This asteroid exists for real, it orbits the Sun between Earth and Mars. The TV series The Expanse made it famous for the events that take place there.
The model is made after a NASA 3D scan.Unlike the NASA version, this OBJ mesh comes merged, cleaned (not that clean) with UVs and a color map.
The free model is available here:https://nasa3d.arc.nasa.gov/modelsMany others free 3D objects can be found there.