That's maybe the farthest human made object. Voyager 1 is escaping at 3.6 AU per year. That's 3.6 * 150,000,000 km / 365 / 24 = 61,643 km/h That manhole start

That's maybe the farthest human made object. Voyager 1 is escaping at 3.6 AU per year. That's 3.6 * 150,000,000 km / 365 / 24 = 61,643 km/h That manhole started with a speed of 200,000 km/h and several years in advance.