US Manned
Space Launch Statistics
(1961-2011)

(Updated 8 July 2012)

References/Notes:

[1] STS-135 NASA Press Kit
[2] STS-135 “Mission of Space Shuttle Atlantis by the Numbers” NASA Web Page (LINK)
[3] Back of envelope calculation using a mass of 240,000~ lbm for the Orbiter+Payload following a 140~ second OMS-2 burn consuming approx 11.93 lb/oxidizer and 7.23 lb/fuel per second per OMS engine, for a total of 5,000 lbf of propellant consumed
[4] SP-2000-4029 Apollo by the Numbers: A Statistical Reference (LINK)

Yearly Launches (1961 – Present)

1961: 2 x Mercury-Redstone (MR-3, 4)
1962: 3 x Mercury-Atlas (MA-6, 7, 8)
1963: 1 x Mercury-Atlas (MA-9)
1964: 0 – Mercury-Gemini Interregnum
1965: 5 x Gemini (Gemini 3, 4, 5, 7, 6)
1966: 5 x Gemini (Gemini 8, 9, 10, 11, 12)
1967: 0 – Post-Gemini Interregnum
1968: 2 x Apollo (Apollo 7, 8)
1969: 4 x Apollo (Apollo 9, 10, 11, 12)
1970: 1 x Apollo (Apollo 13)
1971: 2 x Apollo (Apollo 14, 15)
1972: 2 x Apollo (Apollo 16, 17)
1973: 3 x Apollo-Skylab (SL-2, SL-3, SL-4)
1974 0 – Apollo-Shuttle Interregnum.
1975: 1 x Apollo-Soyuz (ASTP)
1976 0 – Apollo-Shuttle Interregnum.
1977 0 – Apollo-Shuttle Interregnum.
1978 0 – Apollo-Shuttle Interregnum.
1979 0 – Apollo-Shuttle Interregnum.
1980: 0 – Apollo-Shuttle Interregnum.
1981: 2 x Space Shuttle (STS-1,2)
1982: 3 x Space Shuttle (STS-3, 4, 5)
1983: 4 x Space Shuttle (STS-6, 8, 8, 9)
1984: 5 x Space Shuttle (STS-41B, 41C, 41D, 41G, 51A)
1985: 9 x Space Shuttle (STS-51C, 51D, 51B, 51G, 51F, 51I, 51J, 61A, 61B)
1986: 2 x Space Shuttle (STS-61C, 51L)
1987: 0 – Post-Challenger Stand-Down
1988: 2 x Space Shuttle (STS-26, 27)
1989: 5 x Space Shuttle (STS-29, 30, 28, 34, 33)
1990: 6 x Space Shuttle (STS-32, 36, 31, 41, 38, 35)
1991: 6 x Space Shuttle (STS-37, 39, 40, 43, 48, 44)
1992: 8 x Space Shuttle (STS-42, 45, 49, 50, 46, 47, 52, 53)
1993: 7 x Space Shuttle (STS-54, 66, 55, 57, 51, 58, 61)
1994: 7 x Space Shuttle (STS-60, 62, 59, 65, 64, 68, 66)
1995: 7 x Space Shuttle (STS-63, 67, 71, 70, 69, 73, 74)
1996: 7 x Space Shuttle (STS-72, 75, 76, 77, 78, 79, 80)
1997: 8 x Space Shuttle (STS-81, 82, 83, 84, 94, 85, 86, 87)
1998: 5 x Space Shuttle (STS-89, 90, 91, 95, 88)
1999: 3 x Space Shuttle (STS-96, 93, 103)
2000: 5 x Space Shuttle (STS-99, 101, 106, 92, 97)
2001: 6 x Space Shuttle (STS-98, 102, 100, 104, 105, 108)
2002: 5 x Space Shuttle (STS-109, 110, 111, 112, 113)
2003: 1 x Space Shuttle (STS-107)
2004: 3 x SpaceShip One (15P, 16P, 17P) (also Post-Columbia Stand-Down for Orbital Spaceflight)
2005: 1 x Space Shuttle (STS-114)
2006: 3 x Space Shuttle (STS-121, 115, 116)
2007: 3 x Space Shuttle (STS-117, 118, 120)
2008: 4 x Space Shuttle (STS-122, 123, 124, 126)
2009: 5 x Space Shuttle (STS-119, 125, 127, 128, 129)
2010: 3 x Space Shuttle (STS-130, 131, 132)
2011: 3 x Space Shuttle (STS-133, 134, 135)
2012: 0 – STS-??? Interregnum

Statistics

Project Mercury

Average Mercury Launches Per Year (1961-1963): 2.0
Crew: 6, of which 6 were individuals
Approximate Mercury Mass in Orbit (1961-63): 12,000~ lbs

Project Gemini

Average Gemini Launches Per Year (1965-1966): 5.0
Crew: 20, of which 16 were individuals
Approximate Gemini Mass in Orbit (1965-1966): 84,900 lbs

Project Apollo

Average Apollo Launches Per Year (1968-1973): 2.33
Crew: 45, of which 38 were individuals
Approximate Saturn V Mass in Orbit (1968-1972): 3~ million pounds (S-IVB+IU+SLA+LEM+CSM) [4]
Approximate Saturn V Payload to TLI (1968-1972): 876,000~ pounds (LEM+CSM) [4]

Space Shuttle

Average STS Launches Per Year (1981-2011): 4.35 (incl. stand down years)
Average STS Launches Per Year (1981-1985): 4.6
Average STS Launches Per Year (1988-2002): 5.8
Crew: 847, of which 355 were individuals.
Approximate STS Total Mass in Orbit (1981-2011): 32.1~ million pounds [3]
Approximate STS Payload Mass in Orbit (1981-2011): 3.5~ million pounds [1] [2]