How Far Away is Comet P/2016 J3 (STEREO = 2021 A3) from Earth?
The distance of Comet P/2016 J3 (STEREO = 2021 A3) from Earth is currently 609,955,479 kilometers, equivalent to 4.077301 Astronomical Units. Light takes 33 minutes and 54.5925 seconds to travel from Comet P/2016 J3 (STEREO = 2021 A3) and arrive to us.