This specific 3D model, "Detailed asteroid 3D model buy", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
STL (Stereolithography, filesize: 794 MB), OBJ (OBJ, filesize: 452 MB), FBX (Autodesk FBX, filesize: 707 MB), ABC (Alembic, filesize: 881 MB), TEXTURES (Textures, filesize: 19.9 MB), MAX (Autodesk 3ds Max, filesize: 742 MB)