In Evidence
Ephemeris Calculator
Compute Comet 17P/Holmes ephemerides for any date and time between 01 Jan 2013 and 31 Dec 2100 and display the predicted position in an interactive sky map.
How Far is Comet 17P/Holmes from Earth?
The distance of Comet 17P/Holmes from Earth is currently 782,712,635 kilometers, equivalent to 5.232111 Astronomical Units. Light takes 43 minutes and 30.8483 seconds to travel from Comet 17P/Holmes and arrive to us.
The following chart shows the distance of Comet 17P/Holmes 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 17P/Holmes from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of Comet 17P/Holmes to Earth
Between January 2013 and December 2100 the closest approach of Comet 17P/Holmes to Earth happens on Thu Aug 20 2048 at a distance of 1.14602728 Astronomical Units, or 171,443,241 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.