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How Far is Comet C/2021 D1 (SWAN) from Earth?

The distance of Comet C/2021 D1 (SWAN) from Earth is currently 329,998,969 kilometers, equivalent to 2.205907 Astronomical Units. Light takes 18 minutes and 20.7581 seconds to travel from Comet C/2021 D1 (SWAN) and arrive to us.

329,998,969
2.205907
18 minutes and 20.7581 seconds

The following chart shows the distance of Comet C/2021 D1 (SWAN) 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.

Distance of Comet C/2021 D1 (SWAN) from Earth between January 2014 and January 2100

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/2021 D1 (SWAN) from Earth is also available as a real time updated value in the Live Position and Data Tracker.

Closest approach of Comet C/2021 D1 (SWAN) to Earth

Between January 2014 and January 2100 the closest approach of Comet C/2021 D1 (SWAN) to Earth happens on Mon Mar 15 2021 at a distance of 1.67626279 Astronomical Units, or 250,765,345 kilometers:

Mon Mar 15 2021
250,765,345
1.676263

NOTE: values for the closest approach are computed with a sampling interval of 1 day.

See Also