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Ephemeris Calculator

Compute Comet Halley (1P/Halley) ephemerides for any date and time between 01 Jan 1900 and 01 Jan 2100 and display the predicted position in an interactive sky map.

Time: : UTC

How Far is Comet Halley (1P/Halley) from Earth?

The distance of Comet Halley (1P/Halley) from Earth is currently 5,097,768,667 kilometers, equivalent to 34.076479 Astronomical Units. Light takes 4 hours, 43 minutes and 24.3259 seconds to travel from Comet Halley (1P/Halley) and arrive to us.

5,097,768,667
34.076479
4 hours, 43 minutes and 24.3259 seconds

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.

Distance of Comet Halley (1P/Halley) from Earth between January 1900 and January 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 Halley's Comet 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 1900 and January 2100 the closest approach of Comet Halley (1P/Halley) to Earth happens on Sat May 21 1910 at a distance of 0.15254448 Astronomical Units, or 22,820,329 kilometers:

Sat May 21 1910
22,820,329
0.152544

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

See Also