In Evidence
Ephemeris Calculator
Compute James Webb Space Telescope ephemerides for any date and time between 26 Dec 2021 and 06 Mar 2025 and display the predicted position in an interactive sky map.
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How Far is James Webb Space Telescope from Earth?
The distance of James Webb Space Telescope from Earth is currently 1,675,161 kilometers, equivalent to 0.011198 Astronomical Units. Light takes 5.5877 seconds to travel from James Webb Space Telescope and arrive to us.
The following chart shows the distance of James Webb Space Telescope from Earth as a function of time. In the chart the distance data is measured in Astronomical Units and sampled with an interval of 1 day.
The value of the reported distance might be somewhat inaccurate around the times of closest approach for objects passing extremely close to Earth. The value of the distance of James Webb Space Telescope from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of James Webb Space Telescope to Earth
Between December 2021 and March 2025 the closest approach of James Webb Space Telescope to Earth happens on Sun Dec 26 2021 at a distance of 0.00089372 Astronomical Units, or 133,698 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.