Voyager timeline

Two spacecraft, 1977 to 2018

Dates from NASA's mission pages.

1. 20 Aug 1977

   Voyager 2 launches

   It will use an alignment of the outer planets that comes round about once every 175 years.

2. 5 Sep 1977

   Voyager 1 launches

   Launched about two weeks after Voyager 2, on the other path of the pair.

3. 5 Mar 1979

   Voyager 1 at Jupiter

   A gravity assist bends its path toward Saturn.

4. 9 Jul 1979

   Voyager 2 at Jupiter

   The first of four giant-planet flybys.

5. 12 Nov 1980

   Voyager 1 at Saturn

   A close pass of the moon Titan sends it up out of the plane of the planets.

6. 25 Aug 1981

   Voyager 2 at Saturn

   Another gravity assist, toward Uranus.

7. 24 Jan 1986

   Voyager 2 at Uranus

   The only spacecraft to visit Uranus.

8. 25 Aug 1989

   Voyager 2 at Neptune

   The end of the Grand Tour.

9. 25 Aug 2012

   Voyager 1 leaves the heliosphere

   The first human-made object in interstellar space.

10. 2018

    Voyager 2 leaves the heliosphere

    The second.