Albert Barnes Commentary Exodus 24:1-2

"And he said unto Moses, Come up unto Jehovah, thou, and Aaron, Nadab, and Abihu, and seventy of the elders of Israel; and worship ye afar off: and Moses alone shall come near unto Jehovah; but they shall not come near; neither shall the people go up with him." — Exodus 24:1-2 (ASV)

Are placed by some with great probability between (Exodus 24:8–9).