Photometric observations of this asteroid during 2008 at the Organ Mesa Observatory inLas Cruces, New Mexico, gave an asymmetrical, bimodallight curve with a period of 7.9597 ± 0.0001 hours and a brightness variation of 0.46 ± 0.03 inmagnitude.[15]
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^Stephens, Robert D. (July 2014). "Asteroids Observed from CS3: 2014 January - March".The Minor Planet Bulletin.41 (3):171–175.Bibcode:2014MPBu...41..171S.ISSN1052-8091.
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^Hodgson, Richard G. (September 1976), "155 Scylla, 279 Thule, 944 Hidalgo, and 1620 Geographos: Four Challenges for Observation",The Minor Planet Bulletin,4: 7,Bibcode:1976MPBu....4....7H.