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Juno in launch configuration. Juno is a NASA space probe orbiting the planet Jupiter.It was built by Lockheed Martin and is operated by NASA 's Jet Propulsion Laboratory.The spacecraft was launched from Cape Canaveral Air Force Station on August 5, 2011 UTC, as part of the New Frontiers program. [6]
In August 2011 NASA sent a probe the size of a basketball court into space on a mission to observe Jupiter. Now, five years later, the $1 billion dollar probe has something to show for it's 415 ...
JunoCam successfully returned detailed images of Ganymede after Juno's flyby on June 7, 2021, [6] with further opportunities including planned flybys of Europa on September 29, 2022, and two of Io scheduled for December 30, 2023 and February 3, 2024. These flybys will also reduce Juno's orbital period to 33 days.
Juno Radiation Vault (the box being lowered onto the partially constructed spacecraft) in the process of being installed on Juno, 2010 Juno Radiation Vault is shown attached, but with the top open and some of the electronics boxes inside the vault can be seen The cube shaped JRV can be seen in between the un-wrapped main dish and the larger hexagonal main spacecraft body.
Before Juno, only the Galileo probe entered Jupiter's orbit from 1995 to 2003; however, its orbital inclination made it impossible to observe the polar regions of Jupiter; Cassini, which flew past Jupiter in 2000, also had no opportunity to photograph the polar regions. Thus, they remained "white spots" until 2016 (the images of the previous ...
JIRAM JIRAM data on Jupiter's southern lights, August 2016 Jovian "Hotspot" in visible (top) and near infrared (bottom) from a previous mission. Jovian Infrared Auroral Mapper (JIRAM) is an instrument on the Juno spacecraft in orbit of the planet Jupiter. It is an image spectrometer and was contributed by Italy. [1]
Juno would go on to enter Jupiter's orbit in July 2016. [3] The magnetosphere blocks the charged particles of the solar wind, with the number of solar wind particles Juno encountered dropping 100-fold when it entered the Jovian magnetosphere. [3] Before Juno entered it, it was encountering about 16 solar wind particles per cubic inch of space. [3]
Avoiding signals from the spacecraft is another reason MAG is placed at the end of the solar panel boom, about 10 m (33 feet) and 12 m (39 feet) away from the central body of the Juno spacecraft. [1] [2] The MAG instrument is designed to detect the magnetic field of Jupiter, which is one of the largest structures in the Solar System. [3]