A graphic showing the 22 largest objects in the asteroid belt by decreasing size, and roughly to scale, from 1 Ceres (diameter 940 km) to 7 Iris (diameter 214 km).
Four of those shown are direct images (two from orbit, two from Earth); the remainder are constructed from adaptive-optics images, optical light curves and shape models, as set out in the image footer.
This graphic is for non-commercial use only. Image sources are shown in the footer.
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