Uncrewed first test flight of the Apollo Lunar Module
Apollo 5
Lunar Module 1 being mated to the Spacecraft–LM adapter (SLA) in preparation for launch as Apollo 5
Mission type
Uncrewed Earth orbital LM flight (B)
Operator
NASA
COSPAR ID
Ascent stage: 1968-007A
Descent stage: 1968-007B
S-IVB: 1968-007C
SATCAT no.
3106
Mission duration
11 hours, 10 minutes
Orbits completed
7
Spacecraft properties
Spacecraft
Apollo Lunar Module-1
Manufacturer
Grumman
Launch mass
14,360 kilograms (31,660 lb)[1]
Start of mission
Launch date
January 22, 1968, 22:48:09 (1968-01-22UTC22:48:09Z) UTC
Rocket
Saturn IB SA-204
Launch site
Cape Kennedy LC-37B
End of mission
Disposal
Uncontrolled reentry
Deactivated
January 23, 1968 9:58 (1968-01-23UTC09:59Z) UTC
Decay date
Ascent stage: January 24, 1968 (1968-01-25)
Descent stage: February 12, 1968 (1968-02-13)
Orbital parameters
Reference system
Geocentric
Regime
Low Earth orbit
Perigee altitude
167 kilometers (90 nmi)[1]
Apogee altitude
222 kilometers (120 nmi)[1]
Inclination
31.63 degrees[1]
Period
88.4 minutes[1]
Epoch
January 22, 1968[2]
Apollo program
← Apollo 4
Apollo 6 →
Apollo 5 (launched January 22, 1968), also known as AS-204, was the uncrewed first flight of the Apollo Lunar Module (LM) that would later carry astronauts to the surface of the Moon. The Saturn IB rocket bearing the LM lifted off from Cape Kennedy on January 22, 1968. The mission was successful, though due to programming problems an alternate mission to that originally planned was executed.
Like Apollo 4, this flight was long delayed, due in part to setbacks in development of the LM, manufactured by Grumman Aircraft. The original Saturn IB rocket that was to take the first LM (LM-1) to space was taken down during the delays and replaced with the one that would have launched Apollo 1 if the spacecraft fire that killed three astronauts had not occurred. LM-1 arrived at the Kennedy Space Center in June 1967; the following months were occupied in testing and placing the LM atop the Saturn IB. After final delays due to equipment trouble, the countdown began on January 21, 1968, and the space vehicle was launched the following day.
Once the craft reached orbit and the LM separated from the S-IVB booster, the program of orbital testing began, but a planned burn was aborted automatically when the Apollo Guidance Computer detected the craft was not going as fast as planned. Flight Director Gene Kranz and his team at Mission Control in Houston quickly decided on an alternate mission, during which the mission's goals of testing LM-1 were accomplished. The mission was successful enough that a contemplated second uncrewed mission to test the LM was cancelled, advancing NASA's plans to land an astronaut on the Moon by the end of the 1960s.
^ abcde"Apollo 5". NASA Space Science Data Coordinated Archive. Retrieved September 26, 2016.
^McDowell, Jonathan. "SATCAT". Jonathan's Space Pages. Retrieved March 23, 2014.
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