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Mission to Jupiter

Juno

The Juno spacecraft, which successfully entered the orbit of Jupiter on July 4, 2016, will for the first time peer below the dense cover of clouds to answer questions about the gas giant and the origins of our solar system.

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Juno

Mission Statistics

Time in Orbit

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Launch Date

Aug 05, 2011

Type

Orbiter

Target

Jupiter

Status

Current

About the mission

The Juno spacecraft, which successfully entered the orbit of Jupiter on July 4, 2016, will for the first time peer below the dense cover of clouds to answer questions about the gas giant and the origins of our solar system.

Juno's primary goal is to reveal the story of Jupiter's formation and evolution. Using long-proven technologies on a spinning spacecraft placed in an elliptical polar orbit, Juno will observe Jupiter's gravity and magnetic fields, atmospheric dynamics and composition, and evolution.

Instruments

  • Gravity Science
  • Magnetometer (MAG)
  • Microwave Radiometer (MWR)
  • Jupiter Energetic Particle Detector Instrument (JEDI)
  • Jovian Auroral Distributions Experiment (JADE)
  • Waves
  • Ultraviolet Imaging Spectrograph (UVS)
  • Jovian Infrared Auroral Mapper (JIRAM)
  • JunoCam

Mission Highlights

Aug 05, 2011

Launch

Juno launched from Cape Canaveral Air Force Station, Florida.

Aug 01, 2012

Deep Space Maneuevers

The spacecraft performed deep space maneuvers during August-September 2012.

Oct 01, 2013

Earth Flyby Gravity Assist

Juno performed an Earth flyby with gravity assist during the month of October, 2013.

Jul 04, 2016

Jupiter Arrival and Orbit Insertion

The spacecraft arrived at Jupiter and performed its orbit insertion on this date.

Jul 01, 2021

End of Mission

NASA has approved an update to Juno's science operations until July 2021. This provides for an additional 41 months in orbit around Jupiter and will enable Juno to achieve its primary science objectives. Juno is in 53-day orbits rather than 14-day orbits as initially planned because of a concern about valves on the spacecraft's fuel system. This longer orbit means that it will take more time to collect the needed science data.
Learn more
Jupiter
Juno

Interactive 3D model of Juno. View the full interactive experience at Eyes on the Solar System.

Mission Website
NASA Mission Website
Jupiter Orbit Insertion Press Kit
Mission Fact Sheet (PDF)
Launch Press Kit (PDF)
JPL Education: Juno Discovery Guide
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