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Juno (spacecraft)

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Juno
Artist's rendering of the Juno spacecraft
Mission typeJupiter orbiter
OperatorNASA / JPL
COSPAR ID2011-040A
SATCAT no.37773
Website
Mission durationPlanned: 7 years
Elapsed: 13 years, 4 months, 22 days

Cruise: 4 years, 10 months, 29 days
Science phase: 4 years (extended until September 2025)
Spacecraft properties
ManufacturerLockheed Martin
Launch mass3,625 kg (7,992 lb)[1]
Dry mass1,593 kg (3,512 lb)[2]
Dimensions20.1 × 4.6 m (66 × 15 ft)[2]
Power14 kW at Earth,[2] 435 W at Jupiter[1]
2 × 55-ampere-hour lithium-ion batteries[2]
Start of mission
Launch dateAugust 5, 2011, 16:25 (2011-08-05UTC16:25) UTC
RocketAtlas V 551 (AV-029)
Launch siteCape Canaveral SLC-41
ContractorUnited Launch Alliance
Flyby of Earth
Closest approachOctober 9, 2013
Distance559 km (347 mi)
Jupiter orbiter
Orbital insertionJuly 5, 2016, 03:53 UTC[3]
8 years, 5 months, 22 days ago
Orbits37 (planned)[4][5]
Orbit parameters
Perijove4,200 km (2,600 mi) altitude
75,600 km (47,000 mi) radius
Apojove8.1 million km (5.0 million mi)
Inclination90 degrees (polar orbit)

Juno mission insignia  

Juno is an unmanned NASA New Frontiers spacecraft. It studies the planet Jupiter from orbit. It is the first mission to an outer planet to use solar panels for power instead of a radioisotope thermoelectric generator. The spacecraft was launched on August 5, 2011 from the Cape Canaveral Air Force Station and entered a polar orbit of Jupiter on July 5, 2016. Scott Bolton is leading the mission.[6]

Juno's main goal is to understand the origin and evolution of Jupiter.[6][7][8][9] Juno will also study the planet's atmospheric composition, gravity field, magnetic field, and polar magnetosphere.[7][9][10]

References

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  1. ↑ 1.0 1.1 "Juno Mission to Jupiter". NASA FACTS. NASA. April 2009. p. 1. Archived from the original (PDF) on December 25, 2018. Retrieved April 5, 2011.
  2. ↑ 2.0 2.1 2.2 2.3 "Jupiter Orbit Insertion Press Kit" (PDF). NASA. 2016. Retrieved July 7, 2016.
  3. ↑ Foust, Jeff (July 5, 2016). "Juno enters orbit around Jupiter". Space News. Retrieved August 25, 2016.
  4. ↑ Chang, Kenneth (July 5, 2016). "NASA's Juno Spacecraft Enters Jupiter's Orbit". The New York Times. Retrieved July 5, 2016.
  5. ↑ Greicius, Tony (September 21, 2015). "Juno – Mission Overview". NASA. Archived from the original on December 25, 2018. Retrieved October 2, 2015.
  6. ↑ 6.0 6.1 Sutherland, Paul (August 2011), Sky at Night Magazine, BBC Magazines Bristol, p. 37-42
  7. ↑ 7.0 7.1 "Juno Science Objectives". 2010-05-10. Archived from the original on 2015-09-19. Retrieved 2011-07-29.
  8. ↑ Dodge, Randy; Boyles, Mark A.; Rasbach, Chuck E. "Key and Driving Requirements for the Juno Payload Suite of Instruments" (PDF). American Institute of Aeronautics and Astronautics. Archived from the original (PDF) on 2011-07-21. Retrieved 2011-07-30.
  9. ↑ 9.0 9.1 Whatmore, Rebecca, ed. (2010-01-28). "Mission Overview". NASA. Archived from the original on 2018-12-25. Retrieved 2011-07-21.
  10. ↑ "Juno Mission to Jupiter". NASA. Archived from the original (PDF) on 2018-12-25. Retrieved 2011-07-21.

Other websites

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