Did You Know?

  • The maximum speed clocked by Cassini was 98,346 mph (44 kilometers per second) relative to the sun on June 25, 1999.
  • Relative to Saturn, the spacecraft reached 68,771 mph (30.7 kilometers per second) during the Saturn Orbit Insertion maneuver on July 1, 2004.
  • With respect to Earth, the maximum speed reached by Cassini is 42,561 mph (19.0 kilometers per second) on Aug. 18, 1999, as the spacecraft flew past our home planet at an altitude of 727 miles (1,171 kilometers).
  • During the second Venus flyby, Cassini zoomed by the planet at 13.6 kilometers per second (30,523 mph) on June 24, 1999.
  • The spacecraft flew by Jupiter at a speed of 25,951 mph (11.6 kilometers per second) on Dec. 30, 2000.
  • By the way, Saturn's average orbital speed around the Sun is about 34,700 kilometers (21,561 miles) per hour.

More About Cassini

Back and white image of Saturn's Rings
A raw image of Saturn's rings captured in June 2017.

What did we learn about Saturn during our 12+ year tour? Lots.

Learn about Cassini's Scientific Instruments in our Interactive Spacecraft Model.

Explore Cassini rich history of discovery in our Timeline.

Explore our Greatest Images.

Spend some time browsing the latest Raw Images straight from Saturn.

Mission Clocks

End of Mission
September 15, 2017
Time in Saturn Orbit
June 30, 2004
Mission Elapsed Time
October 14, 1997

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