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How Far is Comet 123P/West-Hartley from Earth?

The distance of Comet 123P/West-Hartley from Earth is currently 513,165,558 kilometers, equivalent to 3.430300 Astronomical Units. Light takes 28 minutes and 31.7361 seconds to travel from Comet 123P/West-Hartley and arrive to us.

513,165,558
3.430300
28 minutes and 31.7361 seconds

The following chart shows the distance of Comet 123P/West-Hartley 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 Comet 123P/West-Hartley 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 123P/West-Hartley from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Comet 123P/West-Hartley to Earth

Between January 2013 and December 2100 the closest approach of Comet 123P/West-Hartley to Earth happens on Thu Feb 28 2019 at a distance of 1.19958045 Astronomical Units, or 179,454,681 kilometers:

Thu Feb 28 2019
179,454,681
1.199580

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

See Also