File:Apollo_10_Lunar_Module.jpg · Wikimedia Commons · See Wikimedia Commons
Apollo 10
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fourth crewed flight of the United States Apollo program
Apollo 10 was the fourth crewed mission of the Apollo program, the U.S. effort to land humans on the Moon. It served as the crucial dress rehearsal for the Moon landing, testing all the procedures and equipment that would be used on Apollo 11 just two months later.
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Wikidata facts
- Official name
- Apollo 10
- Duration
- 691403
- Mass
- 4945
- Orbital period
- 2
- Image
- Apollo 10 Lunar Module.jpg
Show 10 more facts
- Commons category
- Apollo 10
- UTC date of spacecraft launch
- 1969-05-18
- Commons gallery
- Apollo 10
- apoapsis
- 113.0
- UTC date of spacecraft landing
- 1969-05-26
- orbital inclination
- 1.2
- periapsis
- 109.6
- orbits completed
- 31
- maximum capacity
- 3
- call sign
- Snoopy
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Article
Apollo 10 (May 18–26, 1969) was the fourth human spaceflight in the United States' Apollo program and the second to orbit the Moon. NASA, the mission's operator, described it as a "dress rehearsal" for the first Moon landing (Apollo 11, two months later). It was designated an "F" mission, intended to test all spacecraft components and procedures short of actual descent and landing.
After the spacecraft reached lunar orbit, astronaut John Young remained in the Command and Service Module (CSM) while astronauts Thomas Stafford and Gene Cernan flew the Apollo Lunar Module (LM) to within 14.4 kilometers (7.8 nautical miles; 9 miles) of the lunar surface, the point at which powered descent for landing would begin on a landing mission. After four orbits they rejoined Young in the CSM and, after the CSM completed its 31st orbit of the Moon, they returned safely to Earth.