Galaxy
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Spacecraft flybys

Data as of 2026-10-15

These flybys are detected on the true trajectory of each spacecraft Galaxy follows: a pass through the sphere of influence of a planet, or the Hill sphere of a small body. The closest approach of each is then measured at a one-second step, from the centre of the body. 34 other encounters have no page: a launch from Earth is not a flyby, an arrival that the published trajectory does not yet reach has no closest approach, and a spacecraft that stays near a body, in orbit or hovering, is not flying by it.

Flybys, by date
DateSpacecraftBodyDistance from centre (km)
March 5, 1979Voyager 1Jupiter348,435
July 9, 1979Voyager 2Jupiter721,375
November 12, 1980Voyager 1Saturn184,030
August 26, 1981Voyager 2Saturn160,691
January 24, 1986Voyager 2Uranus107,154
August 25, 1989Voyager 2Neptune29,236
April 26, 1998CassiniVenus6,336
June 24, 1999CassiniVenus6,654
August 18, 1999CassiniEarth7,550
December 30, 2000CassiniJupiter9,794,457
March 4, 2005RosettaEarth8,332
February 25, 2007RosettaMars3,650
February 28, 2007New HorizonsJupiter2,304,505
November 13, 2007RosettaEarth11,678
November 13, 2009RosettaEarth8,859
July 10, 2010RosettaLutetia3,174
October 9, 2013JunoEarth6,932
July 14, 2015New HorizonsPluto13,676
December 3, 2015Hayabusa2Earth9,521
September 22, 2017OSIRIS-RExEarth23,592
October 3, 2018Parker Solar ProbeVenus8,481
December 26, 2019Parker Solar ProbeVenus9,057
April 10, 2020BepiColomboEarth19,064
July 11, 2020Parker Solar ProbeVenus6,885
October 15, 2020BepiColomboVenus16,774
December 5, 2020Hayabusa2Earth6,712
December 27, 2020Solar OrbiterVenus13,489
February 20, 2021Parker Solar ProbeVenus8,437
August 9, 2021Solar OrbiterVenus14,047
August 10, 2021BepiColomboVenus6,604
October 1, 2021BepiColomboMercury2,639
October 16, 2021Parker Solar ProbeVenus9,861
November 27, 2021Solar OrbiterEarth6,832
June 23, 2022BepiColomboMercury2,639
September 4, 2022Solar OrbiterVenus12,499
June 19, 2023BepiColomboMercury2,675
August 21, 2023Parker Solar ProbeVenus10,057
September 24, 2023OSIRIS-RExEarth7,151
August 20, 2024Jupiter Icy Moons ExplorerEarth13,210
September 4, 2024BepiColomboMercury2,604
November 6, 2024Parker Solar ProbeVenus6,428
December 1, 2024BepiColomboMercury40,066
January 8, 2025BepiColomboMercury2,736
February 18, 2025Solar OrbiterVenus6,430
March 12, 2025HeraMars9,060
August 31, 2025Jupiter Icy Moons ExplorerVenus11,140
September 23, 2025OSIRIS-RExEarth9,814
September 28, 2026Jupiter Icy Moons ExplorerEarth15,017
December 24, 2026 (prediction)Solar OrbiterVenus7,000
March 16, 2027 (prediction)OSIRIS-RExEarth10,558
March 18, 2028 (prediction)Solar OrbiterVenus6,402
January 17, 2029 (prediction)Jupiter Icy Moons ExplorerEarth11,012
April 13, 2029 (prediction)OSIRIS-RExEarth7,523
June 10, 2029 (prediction)Solar OrbiterVenus6,402
September 3, 2030 (prediction)Solar OrbiterVenus8,670