Could not find any LC data for 163051 (2001 YJ4)
Known Periods
Period [hours] Source Notes Date
1 4.693
LCDB (Rev. 2023-October); Warner et al., 2009
[Result based on less than full coverage, so that the period may be wrong by 30 percent or so.] REFERENCE LIST:[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 304-314.]
Feb. 10, 2026