When Holden brings Sakai the coffee it floats in air signifying zero to very low gravity. She then drinks from the container as if in a gravity field. The coffee should have floated around in the container and gone no where.
When Marco is viewing the predicted location for his strike on Earth, the Lat/Long values shown are 14 deg, 41'14.4" N, 18deg 04'47.0"W and there is a cross hair highlighting the Atlantic ocean, off the coast of Senegal. But, that position is inside the country of Chad, a fairly significant distance away from the cross hair.