Voyager 1 NASA System Clock Simulator

Distance From Earth

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Spacecraft Velocity

114,300 km/hr

71,023 mph

NASA Eyes displayed speed value used for the clock-based estimate.

Astronomical Units

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1 AU = 149,597,870.7 km = 92,955,807.3 miles.

One-Way Radio Signal Time

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Calculated from distance using speed of light with millisecond precision.

System Clock Estimate

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On every page load, the browser reads your device clock and estimates elapsed time since the NASA baseline.

Mode Demo Speed

Mission Timeline

1977

Voyager 1 launched.

1979

Jupiter flyby.

1980

Saturn and Titan flyby.

2012

Entered interstellar space.

NASA

Baseline used here: 25.42 billion km and about 23 hr signal delay.