Pick one date and this free tool shows how many AU Voyager 1 and 2 were from the Sun that day, and how much farther they have gone since, as one voyage chart drawn to scale. Distances are NASA JPL Horizons data.
What the chart shows
One old voyage chart. The harbour lamp at the bottom is the Sun, and up means farther from the Sun. Height is distance from the Sun, unchanged (R9); the top of the sheet is where Voyager 1 is today. The dotted route on the left is Voyager 1, the dashed one on the right is Voyager 2. An ink diamond marks your birthday, and the stretch travelled since then is solid ink.
How it is computed
Your birthday is taken at 12:00 UT; today is this device's date (R0). Distances come from daily NASA JPL Horizons values thinned to one per week, with a straight line between neighbours (R1). Weekly table; largest difference from daily Horizons 0.014 AU. Shown to 0.1 AU and 0.01 billion km.
The 13 milestone dates are UT dates from NASA and JPL pages (R2); islands and boundary lines sit at the table's distance on those dates. Your age then is full years on that date (R3); Feb 29 birthdays add a year on Mar 1 in common years. The small picture at the top right changes with the era of your birthday (R4): launch, giant planets, outward, interstellar.
The radio hello time is the distance from Earth that day divided by the speed of light, 299,792.458 km/s (R5), rounded to the minute above one minute. “While I grew up” is today's distance minus the birthday distance, or counted from launch if you were born earlier (R6). The headline (R7) depends on whether you were born before launch, on a launch day, or after.
The one line in the middle of the sheet (R8) is Voyager 1's distance today minus Voyager 2's distance at Neptune (30.2 AU). Nothing was visited in between.
One light-day
The distance light covers in a day: 173.1446 AU. NASA says Voyager 1 reaches it on Nov 18, 2026, at 10:16 UT (NASA's page, the public event). Our table is daily, so it can only say “Nov 18”; the minute is NASA's.
Art
Illustration: AI-generated (Gemini), edited by plusbeauxjours. Routes, island positions, diamonds, ships, the scale and all words are drawn by code from computed values.