In Evidence
Ephemeris Calculator
Compute Comet 103P/Hartley ephemerides for any date and time between 01 Jan 2000 and 01 Jan 2100 and display the predicted position in an interactive sky map.
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How Far is Comet 103P/Hartley from Earth?
The distance of Comet 103P/Hartley from Earth is currently 57,318,984 kilometers, equivalent to 0.383154 Astronomical Units. Light takes 3 minutes and 11.1956 seconds to travel from Comet 103P/Hartley and arrive to us.
The following chart shows the distance of Comet 103P/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 103P/Hartley from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of Comet 103P/Hartley to Earth
Between January 2000 and January 2100 the closest approach of Comet 103P/Hartley to Earth happens on Thu Oct 21 2010 at a distance of 0.12088258 Astronomical Units, or 18,083,776 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.