<Table> James Webb Space Telescope <Tr> <Td_colspan="2"> 6 out of 18 mirrors of the James Webb Space Telescope being subjected to temperature dipping test </Td> </Tr> <Tr> <Th> Names </Th> <Td> Next Generation Space Telescope James Webb Space Telescope </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Mission type </Th> <Td> Astronomy </Td> </Tr> <Tr> <Th> Operator </Th> <Td> NASA / ESA / CSA / STScI </Td> </Tr> <Tr> <Th> Website </Th> <Td> jwst.nasa.gov sci.esa.int/jwst asc-csa.gc.ca jwst.stsci.edu </Td> </Tr> <Tr> <Th> Mission duration </Th> <Td> 5 years (design) 10 years (goal) </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Spacecraft properties </Th> </Tr> <Tr> <Th> Manufacturer </Th> <Td> Northrop Grumman Ball Aerospace </Td> </Tr> <Tr> <Th> Launch mass </Th> <Td> 6,500 kg (14,300 lb) </Td> </Tr> <Tr> <Th> </Th> <Td> 20.197 m × 14.162 m (66.26 ft × 46.46 ft) (sunshield) </Td> </Tr> <Tr> <Th> Power </Th> <Td> 2,000 watts </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Start of mission </Th> </Tr> <Tr> <Th> Launch date </Th> <Td> Spring 2019 </Td> </Tr> <Tr> <Th> Rocket </Th> <Td> Ariane 5 ECA </Td> </Tr> <Tr> <Th> Launch site </Th> <Td> Kourou ELA - 3 </Td> </Tr> <Tr> <Th> Contractor </Th> <Td> Arianespace </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Orbital parameters </Th> </Tr> <Tr> <Th> Reference system </Th> <Td> Sun--Earth L </Td> </Tr> <Tr> <Th> Regime </Th> <Td> Halo orbit </Td> </Tr> <Tr> <Th> Periapsis </Th> <Td> 374,000 km (232,000 mi) </Td> </Tr> <Tr> <Th> Apoapsis </Th> <Td> 1,500,000 km (930,000 mi) </Td> </Tr> <Tr> <Th> Period </Th> <Td> 6 months </Td> </Tr> <Tr> <Th> Epoch </Th> <Td> planned </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Main </Th> </Tr> <Tr> <Th> Type </Th> <Td> Korsch telescope </Td> </Tr> <Tr> <Th> Diameter </Th> <Td> 6.5 m (21 ft) </Td> </Tr> <Tr> <Th> Focal length </Th> <Td> 131.4 m (431 ft) </Td> </Tr> <Tr> <Th> Collecting area </Th> <Td> 25 m (270 sq ft) </Td> </Tr> <Tr> <Th> Wavelengths </Th> <Td> from 0.6 μm (orange) to 28.5 μm (mid-infrared) </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Transponders </Th> </Tr> <Tr> <Th> Band </Th> <Td> S - band (TT&C support) K band (data acquisition) </Td> </Tr> <Tr> <Th> Bandwidth </Th> <Td> S - band up: 16 kbit / s S - band down: 40 kbit / s K band down: up to 28 Mbit / s </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th_colspan="2"> (show) Instruments </Th> </Tr> <Tr> <Th> NIRCam </Th> <Td> Near IR Camera </Td> </Tr> <Tr> <Th> NIRSpec </Th> <Td> Near - Infrared Spectrograph </Td> </Tr> <Tr> <Th> MIRI </Th> <Td> Mid IR Instrument </Td> </Tr> <Tr> <Th> NIRISS </Th> <Td> Near Infrared Imager and Slitless Spectrograph </Td> </Tr> <Tr> <Th> FGS </Th> <Td> <P> Fine Guidance Sensor Elements: </P> <Ul> <Li> Integrated Science Instrument Module </Li> <Li> Optical Telescope Element </Li> <Li> Spacecraft Element (Spacecraft Bus + Sunshield) </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Td_colspan="2"> James Webb Space Telescope insignia </Td> </Tr> </Table> <Tr> <Td_colspan="2"> 6 out of 18 mirrors of the James Webb Space Telescope being subjected to temperature dipping test </Td> </Tr>

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