According to the paper, the estimated period is 157 ± 7 days, so it's not meaningful to read anything into the precise number. https://arxiv.org/pdf/2003.03596

According to the paper, the estimated period is 157 ± 7 days, so it's not meaningful to read anything into the precise number. https://arxiv.org/pdf/2003.03596.pdf https://arxiv.org/pdf/2003.03596.pdf