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What is the fastest man made object on earth

The fastest man-made object on Earth is NASA’s Parker Solar Probe, which reached about 394,736 mph, or 635,266 km/h.

Quick Scoop

There’s a bit of trivia here: a nuclear-test manhole cover is often mentioned in speed legends, but the best-supported current record holder is the Parker Solar Probe.

Why it wins

  • It was accelerated by repeated Venus flybys and a close pass near the Sun.
  • Its record speed was reported on September 21, 2023.
  • It is the fastest human-made object currently known in flight.

Tiny context

If you want the “fastest ever claimed” story, the manhole-cover legend is famous, but it is not accepted as the official record.

ObjectSpeedStatus
Parker Solar Probe394,736 mph (635,266 km/h)Fastest confirmed human-made object
Manhole cover legendAbout 125,000 mphFamous claim, not the accepted record
**TL;DR:** Parker Solar Probe is the fastest man-made object on Earth, and the manhole-cover story is the classic myth people often confuse with it.