The James Webb Space Telescope (JWST) is a space telescope developit in coordination amang NASA, the European Space Agency, an the Canadian Space Agency.[5]
![]() Sax oot o 18 mirrors o the James Webb Space Telescope bein subjectit tae temperatur dippin test | |||||||||||||
Mission teep | Astronomy | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Operator | NASA / ESA / CSA / STScI[1] | ||||||||||||
COSPAR ID | 2021-130A | ||||||||||||
SATCAT no. | 50463![]() | ||||||||||||
Wabsteix | jwst.nasa.gov sci.esa.int/jwst asc-csa.gc.ca jwst | ||||||||||||
Mission duration | 5 years (design) 10 years (goal) | ||||||||||||
Spacecraft properties | |||||||||||||
Manufacturer | Northrop Grumman Ball Aerospace | ||||||||||||
Launch mass | 6,500 kg (14,300 lb)[2] | ||||||||||||
Dimensions | 20.197 m × 14.162 m (66.26 ft × 46.46 ft) (sunshield) | ||||||||||||
Pouer | 2,000 watts | ||||||||||||
Stairt o mission | |||||||||||||
Launch date | Atween Mairch an Juin 2019[3] | ||||||||||||
Rocket | Ariane 5 ECA | ||||||||||||
Launch steid | Kourou ELA-3 | ||||||||||||
Contractor | Arianespace | ||||||||||||
Orbital parameters | |||||||||||||
Reference seestem | Sun–Yird L2 | ||||||||||||
Regime | Halo orbit | ||||||||||||
Periapsis | 374,000 km (232,000 mi)[4] | ||||||||||||
Apoapsis | 1,500,000 km (930,000 mi)[4] | ||||||||||||
Period | 6 months | ||||||||||||
Epoch | plan | ||||||||||||
Main | |||||||||||||
Teep | Korsch telescope | ||||||||||||
Diameter | 6.5 m (21 ft) | ||||||||||||
Focal lenth | 131.4 m (431 ft) | ||||||||||||
Collectin aurie | 25 m2 (270 sq ft) | ||||||||||||
Wavelenths | frae 0.6 µm (orange) tae 28.5 µm (mid-infrareid) | ||||||||||||
Transponders | |||||||||||||
Baund | S-baund (TT&C support) Ka baund (data acquiseetion) | ||||||||||||
Baundweenth | S-baund up: 16 kbit/s S-band down: 40 kbit/s Ka baund doun: up tae 28 Mbit/s | ||||||||||||
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![]() James Webb Space Telescope insignia Flagship Program |
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