Could not find any LC data for 1866 Sisyphus (1972 XA)
Known Periods
Period [hours] Source Notes Date
1 2.4
LCDB (Rev. 2023-October); Warner et al., 2009
REFERENCE LIST:[Schober, H.J.; Erikson, A.; Hahn, G.; Lagerkvist, C.-I. (1993) Astron. Astrophys. Suppl. Ser. 101, 499-505.], [Skiff, B.A.; Buie, M.W.; Bowell, E. (1996) B.A.A.S. 28, p. 1104. DPS Meeting #28.], [Pravec, P.; Wolf, M.; Sarounova, L. (1998) http://www.asu.cas.cz/~ppravec/neo.htm], [Stephens, R.D.; French, L.M.; Warner, B.D.; Wasserman, L. (2011) Minor Planet Bull. 38, 212-213.], [Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html], [Warner, B.D. (2016) Minor Planet Bull. 43, 306-309.], [Warner, B.D. (2016) Minor Planet Bull. 43, 311-319.], [Aznar, A.M.; Predatu, M.; Vaduvescu, O.; Oey, J. (2018) arXiv:1801.09420. Romanian J. Phys. 62, 904 (2017).], [Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
Jan. 9, 2026