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Apollo 15
Apollo 15 flag, rover, LM, Irwin.jpg
Jim Irwin salutes the United States flag on the Moon, August 1, 1971
Mission type Crewed lunar landing
Operator NASA
Mission duration 12 days, 7 hours, 11 minutes, 53 seconds
Spacecraft properties
Spacecraft
Manufacturer
  • CSM: North American Rockwell
  • LM: Grumman
Launch mass 48,599 kilograms (107,142 lb)
Landing mass 5,321 kilograms (11,731 lb)
Crew
Crew size 3
Members
Callsign
  • CSM: Endeavour
  • LM: Falcon
EVAs 1 in cislunar space and 4 on the lunar surface
EVA duration 39 minutes, 7 seconds
Spacewalk to retrieve film cassettes
Start of mission
Launch date July 26, 1971, 13:34:00.6 (1971-07-26UTC13:34Z) UTC
Rocket Saturn V AS-510
Launch site Kennedy LC-39A
End of mission
Recovered by USS Okinawa
Landing date August 7, 1971, 20:45:53 (1971-08-07UTC20:45:54Z) UTC
Landing site North Pacific Ocean
26°7′N 158°8′W / 26.117°N 158.133°W / 26.117; -158.133 (Apollo 15 splashdown)
Orbital parameters
Reference system Selenocentric
Periselene 101.5 kilometers (54.8 nmi)
Aposelene 120.8 kilometers (65.2 nmi)
Inclination 23 degrees
Epoch July 30, 1971
Lunar orbiter
Spacecraft component Command and service module
Orbital insertion July 29, 1971, 20:05:46 UTC
Orbital departure August 4, 1971, 21:22:45 UTC
Orbits 74
Lunar lander
Spacecraft component Lunar module
Landing date July 30, 1971, 22:16:29 UTC
Return launch August 2, 1971, 17:11:23 UTC
Landing site 26°07′56″N 3°38′02″E / 26.1322°N 3.6339°E / 26.1322; 3.6339
Sample mass 77 kilograms (170 lb)
Surface EVAs 4 (including standup)
EVA duration
  • 19 hours, 7 minutes, 53 seconds
  • Standup: 33 minutes, 7 seconds
  • First: 6 hours, 32 minutes, 42 seconds
  • Second: 7 hours, 12 minutes, 14 seconds
  • Third: 4 hours, 49 minutes, 50 seconds
Lunar rover
Distance covered 27.9 kilometers (17.3 mi)
Docking with LM
Docking date July 26, 1971, 17:07:49 UTC
Undocking date July 30, 1971, 18:13:16 UTC
Docking with LM Ascent Stage
Docking date August 2, 1971, 19:10:25 UTC
Undocking date August 3, 1971, 01:04:01 UTC
Payload
Mass
  • PFS-1: 78.5 pounds (35.6 kg)
  • LRV: 463 pounds (210 kg)
Apollo 15-insignia.png The Apollo 15 Prime Crew - GPN-2000-001169.jpg
Left to right: Scott, Worden, Irwin

Apollo 15 was the ninth manned flight of NASA's Apollo program. It was the fourth mission to land on the surface of the Moon and the first J-Type mission. Apollo 15 was launched on July 26, 1971. Alfred Worden stayed in orbit in the Command Module, Endeavour, while the Lunar Module, Falcon, landed at Hadley Base, with David Scott and James Irwin. The astronauts used the first Lunar Roving Vehicle to travel on the Moon. This vehicle was specially designed to work in a vacuum, with a wide range of temperatures across rough ground. They travelled a distance of 17.5 mi (28 km) on the Moon. They spent three days (66 hours, 55 minutes) on the Moon. They were able to collect a lot of rock samples, including a core sample from at least 10 ft (3 m) deep.

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See also

Kids robot.svg In Spanish: Apolo 15 para niños

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