List of planetary flybys

A planetary flyby is the act of sending a space probe past a planet or a dwarf planet close enough to record scientific data.[1] This is a subset of the overall concept of a flyby in spaceflight.

Plot of Mariner 10 flyby of planet Venus in February 1974.

The first flyby of another planet with a functioning spacecraft took place on December 14, 1962, when Mariner 2 zoomed by the planet Venus.[2]

Planetary flybys are commonly used as gravity assist maneuvers to "slingshot" a space probe toward its primary target without expending fuel, but in some cases (such as with New Horizons), flybys are the primary objectives of a mission in of themselves.

A relatively recent example of a flyby spacecraft is New Horizons, which performed flyby maneuvers of Jupiter, Pluto and its moons in the 21st century. The flyby of Jupiter, used as a gravity assist, allowed the craft to reach Pluto at high velocity without the complications of slowing down, after which it proceeded further into the Kuiper Belt on an escape trajectory out of the Solar System.[3]

List of planetary flybys
Flyby date Launch date Operator Spacecraft Details Mission result
19 May 1961 12 February 1961 Venera 1 First Venus flyby (contact lost before flyby)[4] Failure
14 December 1962 27 August 1962 Mariner 2 First successful non-lunar planetary encounter and first successful Venus flyby[5] Success
19 June 1963 1 November 1962 Mars 1 First Mars flyby (contact lost)[6] Failure
19 July 1964 2 April 1964 Zond 1 Venus flyby (contact lost)[7] Failure
15 July 1965 28 November 1964 Mariner 4 First successful Mars flyby[8] Success
6 August 1965 30 November 1964 Zond 2 Mars flyby (contact lost)[9] Failure
27 February 1966 12 November 1965 Venera 2 Venus flyby (contact lost)[10] Failure
19 October 1967 14 June 1967 Mariner 5 Venus flyby[11] Success
31 July 1969 25 February 1969 Mariner 6 Mars flyby[12] Success
5 August 1969 27 March 1969 Mariner 7 Mars flyby[13] Success
3 December 1973 3 March 1972 Pioneer 10 First Jupiter flyby[14] Success
5 February 1974 4 November 1973 Mariner 10 Venus flyby[15] Success
10 February 1974 21 July 1973 Mars 4 Mars flyby (inadvertent; attempted Mars orbiter)[16] Failure
9 March 1974 9 August 1973 Mars 7 Mars flyby (inadvertent; attempted Mars lander)[17] Failure
12 March 1974 5 August 1973 Mars 6 Mars flyby (flyby succeeded but lander failed)[18] Failure
29 March 1974 4 November 1973 Mariner 10 First Mercury flyby[15] Success
21 September 1974 4 November 1973 Mariner 10 Mercury flyby[15] Success
3 December 1974 5 April 1973 Pioneer 11 Jupiter flyby[19] Success
16 March 1975 4 November 1973 Mariner 10 Mercury flyby[15] Success
19 December 1978 14 September 1978 Venera 12 Venus flyby and lander[20] Success
25 December 1978 9 September 1978 Venera 11 Venus flyby and lander[21] Success
5 March 1979 5 September 1977 Voyager 1 Jupiter flyby[22] Success
9 July 1979 20 August 1977 Voyager 2 Jupiter flyby[23] Success
1 September 1979 5 April 1973 Pioneer 11 First Saturn flyby[19] Success
12 November 1980 5 September 1977 Voyager 1 Saturn flyby[22] Success
25 August 1981 20 August 1977 Voyager 2 Saturn flyby[23] Success
1 March 1982 30 October 1981 Venera 13 Venus flyby and lander[24] Success
5 March 1982 4 November 1981 Venera 14 Venus flyby and lander[25] Success
11 June 1985 15 December 1984 Vega 1 Venus flyby, lander, and first balloon[26] Success
15 June 1985 21 December 1984 Vega 2 Venus flyby, lander, and balloon[27] Success
24 January 1986 20 August 1977 Voyager 2 First and only Uranus flyby[23] Success
25 August 1989 20 August 1977 Voyager 2 First and only Neptune flyby[23] Success
10 February 1990 13 October 1989 Galileo Venus flyby, first of three gravity assists to Jupiter[28] Success
2 July 1990 2 July 1985 Giotto First Earth flyby, gravity assist for extended mission to 26P/Grigg–Skjellerup[29] Success
8 October 1990 13 October 1989 Galileo Earth flyby, second of three gravity assists to Jupiter[28] Success
8 January 1992 7 January 1985 Sakigake Earth flyby[30] Success
8 February 1992 6 October 1990 Ulysses Jupiter flyby, inclination change gravity assist for solar mission[31] Success
8 December 1992 13 October 1989 Galileo Earth flyby, last of three gravity assists to Jupiter[28] Success
24 August 1993 25 September 1992 Mars Observer Mars flyby (inadvertent; attempted Mars orbiter)[32] Failure
23 January 1998 17 February 1996 NEAR Shoemaker Earth flyby, gravity assist to 433 Eros[33] Success
26 April 1998 15 October 1997 Cassini–Huygens Venus flyby, first of four gravity assists to Saturn[34] Success
24 June 1999 15 October 1997 Cassini–Huygens Venus flyby, second of four gravity assists to Saturn[35] Success
18 August 1999 15 October 1997 Cassini–Huygens Earth flyby, third of four gravity assists to Saturn[36] Success
30 December 2000 15 October 1997 Cassini–Huygens Jupiter flyby, last of four gravity assists to Saturn[37] Success
15 January 2001 27 February 1999 Stardust Earth flyby, gravity assist to 81P/Wild[38] Success
21 April 2002 4 July 1998 Nozomi Earth flyby, first of two gravity assists to Mars[39] Success
19 June 2003 4 July 1998 Nozomi Earth flyby, last of two gravity assists to Mars[39] Success
14 December 2003 4 July 1998 Nozomi Mars flyby (inadvertent; planned Mars orbiter)[39] Failure
19 May 2004 9 May 2003 Hayabusa Earth flyby, gravity assist to 25143 Itokawa[40] Success
4 March 2005 2 March 2004 Rosetta Earth flyby, first of four gravity assists to 67P/Churyumov–Gerasimenko[41] Success
2 August 2005 3 August 2004 MESSENGER Earth flyby, first gravity assist to Mercury[42] Success
15 January 2006 27 February 1999 Stardust Earth flyby and sample return capsule reentry[38] Success
24 October 2006 3 August 2004 MESSENGER Venus flyby, second gravity assist to Mercury[42] Success
25 February 2007 2 March 2004 Rosetta Mars flyby, second of four gravity assists to 67P/Churyumov–Gerasimenko[41] Success
28 February 2007 19 January 2006 New Horizons Jupiter flyby, gravity assist to Pluto/Charon system Success
5 June 2007 3 August 2004 MESSENGER Venus flyby, third gravity assist to Mercury. Also characterized the planet's atmosphere.[42] Success
13 November 2007 2 March 2004 Rosetta Earth flyby, third of four gravity assists to 67P/Churyumov–Gerasimenko[41] Success
31 December 2007 12 January 2005 Deep Impact (EPOXI) Earth flyby[43] Success
14 January 2008 3 August 2004 MESSENGER Mercury flyby, fourth gravity assist before orbital insertion and primary mission[42] Success
6 October 2008 3 August 2004 MESSENGER Mercury flyby, fifth gravity assist before orbital insertion and primary mission[42] Success
29 December 2008 12 January 2005 Deep Impact (EPOXI) Earth flyby[43] Success
14 January 2009 27 February 1999 Stardust Earth flyby, gravity assist to 9P/Tempel[38] Success
18 February 2009 27 September 2007 Dawn Mars flyby, gravity assist to 4 Vesta[44] Success
29 June 2009 12 January 2005 Deep Impact (EPOXI) Earth flyby (distant)[45] Success
29 September 2009 3 August 2004 MESSENGER Mercury flyby, sixth and final gravity assist before orbital insertion and primary mission[42] Success
13 November 2009 2 March 2004 Rosetta Earth flyby, last of four gravity assists to 67P/Churyumov–Gerasimenko[41] Success
28 December 2009 12 January 2005 Deep Impact (EPOXI) Earth flyby (distant)[45] Success
27 June 2010 12 January 2005 Deep Impact (EPOXI) Earth flyby[43] Success
6 December 2010 20 May 2010 Akatsuki Venus flyby (inadvertent; was intended to be orbit insertion; later successfully inserted into orbit in 2015)[46] Failure
8 December 2010 20 May 2010 IKAROS Venus flyby, probe was a technological demonstrator that launched with Akatsuki[47] Success
9 October 2013 5 August 2011 Juno Earth flyby, gravity assist to Jupiter[48] Success
14 July 2015 19 January 2006 New Horizons First and only Pluto/Charon flyby[Note 1][49] Success
3 December 2015 3 December 2014 Hayabusa2 Earth flyby, gravity assist to 162173 Ryugu[50] Success
22 September 2017 8 September 2016 OSIRIS-REx Earth flyby, gravity assist to 101955 Bennu Success
3 October 2018 12 August 2018 Parker Solar Probe Venus flyby Success
26 November 2018 5 May 2018 Mars Cube One Mars flyby Success
  • The Galileo flybys featured both purely gravitional assists and scientific experiments

See also

Notes
  1. The International Astronomical Union classifies Charon as a moon. See Charon (moon)#Classification for details.

References
  1. "Flyby | Define Flyby at Dictionary.com". Retrieved 2015-07-15.
  2. "First Planetary Flyby Occurred 50 Years Ago Today". Retrieved 2015-07-15.
  3. Talbert, Tricia (2015-03-25). "New Horizons: The First Mission to the Pluto System and the Kuiper Belt". NASA. Retrieved 2020-07-10.
  4. "Venera 1". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  5. "Mariner 2". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  6. "Mars 1". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  7. "Zond 1". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  8. "Mariner 4". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  9. "Zond 2". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  10. "Venera 2". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  11. "Mariner 5". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  12. "Mariner 6". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  13. "Mariner 7". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  14. "Pioneer 10". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  15. "Mariner 10". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  16. "Mars 4". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  17. "Mars 7". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  18. "Mars 6". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  19. "Pioneer 11". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  20. "Venera 12". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  21. "Venera 11". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  22. "Voyager 1". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  23. "Voyager 2". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  24. "Venera 13". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  25. "Venera 14". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  26. "Vega 1". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  27. "Vega 2". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  28. "Galileo - In Depth | Missions - NASA Solar System Exploration". NASA Solar System Exploration. Retrieved 2015-12-23.
  29. "Giotto". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  30. "Sakigake". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  31. "Ulysses - In Depth | Missions - NASA Solar System Exploration". NASA Solar System Exploration. Archived from the original on 2015-12-18. Retrieved 2015-12-23.
  32. "Mars Observer". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  33. "NEAR Shoemaker". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  34. "Cassini Completes First Venus Flyby". Cassini Solstice Mission. Archived from the original on 2013-04-30. Retrieved 2015-12-23.
  35. "Cassini Completes Second Venus Flyby". Cassini Solstice Mission. Archived from the original on 2012-09-21. Retrieved 2015-12-23.
  36. "Cassini Completes Earth Flyby". Cassini Solstice Mission. Archived from the original on 2012-09-21. Retrieved 2015-12-23.
  37. "Press release: Cassini Celebrates 10 Years Since Jupiter Encounter". NASA. December 29, 2010.
  38. "Stardust/NExT". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  39. "Nozomi". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  40. "Hayabusa". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  41. "Rosetta". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  42. "MESSENGER". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  43. "Deep Impact/EPOXI". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  44. "Dawn". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  45. "NASA - EPOXI Mission - Mission". epoxi.umd.edu. Archived from the original on 2009-12-14. Retrieved 2015-12-23.
  46. "Akatsuki". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  47. "IKAROS". nssdc.gsfc.nasa.gov. Retrieved 2016-01-05.
  48. "Juno". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  49. "New Horizons Pluto Kuiper Belt Flyby". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
  50. "Hayabusa 2". nssdc.gsfc.nasa.gov. Retrieved 2015-12-23.
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