Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]

How Far is Neptune from Earth?

The distance of Neptune from Earth is currently 4,578,981,079 kilometers, equivalent to 30.608598 Astronomical Units. Light takes 4 hours, 14 minutes and 33.8368 seconds to travel from Neptune and arrive to us.

4,578,981,079
30.608598
4 hours, 14 minutes and 33.8368 seconds

The following chart shows the distance of Neptune 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.

Distance of Neptune from Earth between January 2013 and December 2100

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 Neptune from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Neptune to Earth

Between January 2013 and December 2100 the closest approach of Neptune to Earth happens on Tue Oct 29 2041 at a distance of 28.81417973 Astronomical Units, or 4,310,539,942 kilometers:

Tue Oct 29 2041
4,310,539,942
28.814180

NOTE: values for the closest approach are computed with a sampling interval of 1 day.

See Also