Dwarf Planet Candidate
When first discovered 2001 QF298 was calculated to have an absolute magnitude (H) of 4.7. Light-curve-amplitude analysis from 2008 showed only small deviations, which suggested that 2001 QF298 could be a spheroid about 480 km (>450 km) in diameter with small albedo spots and hence a dwarf planet. It is not included in the same authors' list of dwarf-planet candidates from 2010, because having an absolute magnitude of 5.4 and assumed albedo of 0.1 it would be less than the cut-off size of 450 km. (the same criteria as in the first paper)
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