Latest How Far is Comet 123P/West-Hartley from Earth?
The distance of Comet 123P/West-Hartley from Earth is currently 680,304,031 kilometers, equivalent to 4.547552 Astronomical Units. Light takes 37 minutes and 49.2500 seconds to travel from Comet 123P/West-Hartley and arrive to us.
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.
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 1.19958107 Astronomical Units, or 179,454,775 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.