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NASA/ESA/CSA spacecraft

James Webb Space Telescope

Also webb · james webb space telescope

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Active mission (science.nasa.gov, checked 2026-11-01). Orbits the Sun–Earth L2 point, ~1.5 million km beyond Earth.

At Earth.

Measured

Agency
NASA/ESA/CSA
Arrived
2022-01-24
From the Earth today
1,667,796 km
Sunshield, long side
21.2 m

How far, from the Earth

1.67 million km. To cross it:

  • Light5.56 seconds
  • Voyager 1's speed1.14 days
  • Driving at 100 km/h22.8 months

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Facts

  • JPL Horizons trajectory round Earth: worst miss 75 km on the dates it was checked against (median 44 km); between those dates as much as about 224 km. Dates after the data was fetched are Horizons' predictions, which it revises as a mission flies.

Where this comes from

  • NASA/ESA/CSA/STScI
  • Spacecraft trajectories: JPL Horizons, NASA/JPL-Caltech; each mission's agency credited on its card.
  • 3D model: James Webb Space Telescope model: NASA/Christopher R. Meaney, NASA 3D Resources

Every catalogue Ouranos draws is credited on the credits page.