Question: 5786 Talos (1991 RC) is an Apollo asteroid discovered on September 3, 1991, by R. H. McNaught at Siding Spring, it has a very small perihelion distance; only two other named asteroids have one less than 0.2 AU, 1566 Icarus and 3200 Phaethon, 3200 Phaethon, provisional designation 1983 TB , is an Apollo asteroid with an unusual orbit that brings it closer to what, than any other named asteroid?
Sentence (from "3200 Phaethon"): It is 5.1 ± in mean diameter.
Relevant evidence: No