The light curve of 707 Steina shows a periodicity of 414 ± 10 hours, during which time the brightness of the object varies by 1.00 ± 0.15 in magnitude.[2]
^Menke, John; et al. (October 2008), "Asteroid Lightcurve Analysis at Menke Observatory", The Minor Planet Bulletin, 35 (4): 155–160, Bibcode:2008MPBu...35..155M
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