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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]
As the spacecraft turns (it is a spin-stabilzed spacecraft) each antenna takes a "swath" of observations of the giant. [10] Five of the six antennas are all on one side of the spacecraft. [10] The sixth and biggest antenna entirely fills another side the Juno body. [10]
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]
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.
Juno ' s orbit is highly elongated and takes it close to the poles (within 4,300 kilometres (2,700 mi)), but then far beyond Callisto's orbit, the most distant Galilean moon. [12] This orbital design helps the spacecraft (and its complement of scientific instruments) avoid Jupiter's radiation belts, which have a record of damaging spacecraft ...
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]
The Juno mission, which has been orbiting and observing Jupiter and its moons since July 2016, made incredibly close flybys of Io in December 2023 and February. The spacecraft zipped within 930 ...
JADE-E and JADE-I are sensors that are spread out on the spacecraft, and the EBox is located inside the Juno Radiation Vault. [2] EBox stands for Electronics Box. [2] JADE-E is for detecting electrons from 0.1 to 100 keV, and there are three JADE-E sensors on Juno. [2] JADE-I is for detecting ions from 5 eV to 50 keV. [2]