This site hosts a single catalogued object: 641987 Tenev, an Amor-class near-Earth asteroid roughly 2.74 km across. Its page carries the full orbit simulation, sky map and size comparison.
Every other object, category and view links out to spacereference.org, which is where the catalogue, the page design and the underlying data all come from.
These categories are not mirrored here — each one opens on the original site.