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Ephemeris Calculator

Compute Neptune ephemerides for any date and time between 01 Jan 2013 and 31 Dec 2100 and display the predicted position in an interactive sky map.

Time: : UTC

Major Bodies » Neptune

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.

Distance Kilometers 4,578,981,079

Distance AU 30.608598

Light Travel Time 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:

Date Tue Oct 29 2041

Distance Kilometers 4,310,539,942

Distance AU 28.814180

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

Ephemeris Calculator

How Far is Neptune from Earth?

Closest approach of Neptune to Earth

See Also