Johnston, Robert. "(5474) Gingasen". johnstonsarchive.net. Retrieved 28 May 2015.
minorplanet.info
Pravec (2008) web: rotation period 3.6242±0.0003 hours with a brightness amplitude of 0.18 magnitude and a quality code of 3. Summary figures for (5474) Gingasen at Collaborative Asteroid Lightcurve Link (CALL)