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James Webb Space Telescope

Image: NASA · Public domain · Wikimedia Commons

Astrophysics

James Webb Space Telescope

Active

NASA · ESA · CSA

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Image: NASA · Public domain · Wikimedia Commons

Launched
25 Dec 202112:20:07 UTC
Active for
4 years 10 months
Destinations
Sun–Earth L2

Infrared space telescope located at the Sun-Earth L2 point.

Milestones

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20222023202420252026Today

Spacecraft

James Webb Space Telescope

Telescope
Active

Infrared observatory with a 6.5 m segmented primary mirror, kept cold behind a five-layer sunshield.

Launch mass
6,161 kg
Dry mass
5,861 kg
Size
8 m × 4.5 m, span 21.2 m
Power
Solar
Designator
2021-130A

Mission details from nssdc.gsfc.nasa.gov.