Some 163,000 ± 3,000 years ago, it achieved a minimum distance of 4.30 ± 0.10 ly (1.32 ± 0.03 pc).
大約在163,000 ± 3,000 years以前，它曾接近至4.30 ± 0.10 ly (1.32 ± 0.03 pc)。