In Evidence
Ephemeris Calculator
Compute Comet Halley (1P/Halley) ephemerides for any date and time between 01 Jan 1600 and 31 Dec 2499 and display the predicted position in an interactive sky map.
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How Far is Comet Halley (1P/Halley) from Earth?
The distance of Comet Halley (1P/Halley) from Earth is currently 5,186,386,985 kilometers, equivalent to 34.668856 Astronomical Units. Light takes 4 hours, 48 minutes and 19.9248 seconds to travel from Comet Halley (1P/Halley) and arrive to us.
The following chart shows the distance of Comet Halley (1P/Halley) 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 1P/Halley from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of Comet Halley (1P/Halley) to Earth
Between January 1600 and December 2499 the closest approach of Comet Halley (1P/Halley) to Earth happens on Sat May 8 2134 at a distance of 0.09342789 Astronomical Units, or 13,976,613 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.