There was no Apollo 2. Apollo 1 was to have been the first manned Apollo flight, but it caught fire during a routine ground test a month before the scheduled launch. All 3 astronauts inside died.
I think you're asking which astronaut orbited the moon while Armstrong and Aldrin walked below. That man would be Michael Collins, who accompanied Armstrong and Aldrin on Apollo 11.
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Michael Collins was the astronaut who piloted the command module Columbia while Neil Armstrong and Buzz Aldrin walked on the Moon during the Apollo 11 mission. He orbited the Moon alone, waiting for his crewmates to return to the command module for their journey back to Earth.
Buzz Aldrin was the second astronaut to walk on the moon, following Neil Armstrong during the Apollo 11 mission in 1969.
The third astronaut on Apollo 11 was Michael Collins. He piloted the command module while Neil Armstrong and Edwin "Buzz" Aldrin landed on the Moon. Collins remained in lunar orbit while Armstrong and Aldrin explored the lunar surface.
The oldest astronaut on Apollo 11 was Neil Armstrong at 38 years old.
collins
Michael Collins
Michael Collins was the astronaut who piloted the command module Columbia while Neil Armstrong and Buzz Aldrin walked on the Moon during the Apollo 11 mission. He orbited the Moon alone, waiting for his crewmates to return to the command module for their journey back to Earth.
Buzz Aldrin was the second astronaut to walk on the moon, following Neil Armstrong during the Apollo 11 mission in 1969.
The third astronaut on Apollo 11 was Michael Collins. He piloted the command module while Neil Armstrong and Edwin "Buzz" Aldrin landed on the Moon. Collins remained in lunar orbit while Armstrong and Aldrin explored the lunar surface.
The oldest astronaut on Apollo 11 was Neil Armstrong at 38 years old.
Buzz Aldrin went to space with Neil Armstrong on the Apollo 11 mission in 1969. He was the second person to walk on the moon after Neil Armstrong.
Michael Collins was in command module Columbia orbiting the Moon while Neil Armstrong and Buzz Aldrin landed and walked on the lunar surface during the Apollo 11 mission. Collins remained in the command module while Armstrong and Aldrin conducted their activities on the Moon.
Michael Collins was the third astronaut aboard the Apollo 11 spacecraft along with Buzz Aldrin and Neil Armstrong. He remained in orbit around the moon while Aldrin and Armstrong landed on its surface.
Michael Collins was the third astronaut on the Apollo 11 mission, who orbited the Moon as Armstrong and Aldrin walked on its surface. Collins remained in the Command Module while Armstrong and Aldrin descended to the lunar surface in the Lunar Module.
Michael Collins was the third astronaut who was part of the Apollo 11 mission with Neil Armstrong and Buzz Aldrin. He orbited the moon alone in the command module while Armstrong and Aldrin walked on the moon.
Michael Collins, the third astronaut on the Apollo 11 mission, remained on the command module which was orbiting the moon.