How Far is Comet C/2012 S1 (ISON) from Earth?
The distance of Comet C/2012 S1 (ISON) from Earth is currently 3,215,863,680 kilometers, equivalent to 21.496721 Astronomical Units. Light takes 2 hours, 58 minutes and 46.9666 seconds to travel from Comet C/2012 S1 (ISON) and arrive to us.
The following chart shows the distance of Comet C/2012 S1 (ISON) 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 C/2012 S1 (ISON) from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of Comet C/2012 S1 (ISON) to Earth
Between January 2013 and December 2100 the closest approach of Comet C/2012 S1 (ISON) to Earth happens on Fri Dec 27 2013 at a distance of 0.43060393 Astronomical Units, or 64,417,430 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.