Eye-opening comparisons by Alvaro Gracia Montoya:
Colossal notes,
2008 TC3 is the smallest shown with a mean diameter of about 4.1 meters, while the largest is 1 Ceres, which has a mean diameter of about 939 kilometers.
Related/previous: Visualizing relative tree sizes.
https://www.youtube.com/watch?v=l3qpcbMV_fM&feature=youtu.be
good stuff!