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Mission Name
The Juno spacecraft will, for the first time, see below
Jupiter’s dense cover of clouds. This is why the mission was
named after the Roman goddess, who was Jupiter’s wife, and
who could also see through clouds.
Spacecraft
Dimensions: 11.5 feet (3.5 meters) high, 11.5 feet
(3.5 meters) in diameter.
Solar Arrays: length of each solar array 29.5 feet (9
meters) by 8.7 feet (2.65 meters). Total surface area of
solar arrays: more than 650-feet (60-meters) squared. Total
number of individual solar cells: 18,698. Total power output
(Earth distance from sun): approximately 14 kilowatts;
(Jupiter distance from sun): approximately 400 watts.
Weight: 7,992 pounds (3,625 kilograms) total at
launch, consisting of 3,513 pounds (1,593 kilograms) of
spacecraft, 2,821 pounds (1,280 kilograms) of fuel and 1,658
pounds (752 kilograms) of oxidizer.
Launch Vehicle
Type: Atlas V551 (Atlas first stage with five solid
rocket boosters, Centaur upper stage)
Height with payload: 197 feet (60 meters)
Mass fully fueled: 1,265,255 pounds (574,072
kilograms)
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