Intuitive Machines initially believed its six-footed lander, Odysseus, was upright after Thursday's touchdown. But CEO Steve Altemus said Friday the craft "caught a foot in the surface," falling onto its side and, quite possibly, leaning against a rock. He said it was coming in too fast and may have snapped a leg.

"So far, we have quite a bit of operational capability even though we're tipped over," he told reporters.

But some antennas were pointed toward the surface, limiting flight controllers' ability to get data down, Altemus said. The antennas were stationed high on the 14-foot (4.3-meter) lander to facilitate communications at the hilly, cratered and shadowed south polar region.

Odysseus—the first U.S. lander in more than 50 years—is thought to be within a few miles (kilometers) of its intended landing site near the Malapert A crater, less than 200 miles (300 kilometers) from the south pole. NASA, the main customer, wanted to get as close as possible to the pole to scout out the area before astronauts show up later this decade.

NASA's Lunar Reconnaissance Orbiter will attempt to pinpoint the lander's location, as it flies overhead this weekend.

With Thursday's touchdown, Intuitive Machines became the first private business to pull off a moon landing, a feat previously achieved by only five countries. Japan was the latest country to score a landing, but its lander also ended up on its side last month.