How Far is Comet 21P/Giacobini-Zinner from Earth?
The distance of Comet 21P/Giacobini-Zinner from Earth is currently 773,570,476 kilometers, equivalent to 5.170999 Astronomical Units. Light takes 43 minutes and 0.3534 seconds to travel from Comet 21P/Giacobini-Zinner and arrive to us.
The following chart shows the distance of Comet 21P/Giacobini-Zinner 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 21P/Giacobini-Zinner from Earth is also available as a real time updated value in the Live Position and Data Tracker.
Closest approach of Comet 21P/Giacobini-Zinner to Earth
Between January 2013 and December 2100 the closest approach of Comet 21P/Giacobini-Zinner to Earth happens on Fri Oct 28 2078 at a distance of 0.25555475 Astronomical Units, or 38,230,446 kilometers:
NOTE: values for the closest approach are computed with a sampling interval of 1 day.