- Who
- N/A
- What
- 0.179715 days hour(s):minute(s)
- Where
- Not Applicable ()
The confirmed exoplanet with the shortest orbit is K2-137b, which orbits its host star, K2-137b once every 4 hours, 18 minutes. The planet is 0.89±0.09 times the mass of Earth, and orbits its host star at just 0.0058 times the distance of Earth from the sun. It is 322 light years from Earth, and was discovered by NASA's Kepler telescope.
The exoplanet candidate KOI 1843.03 has a period 4 minutes shorter than K2-137b. However, it is not yet a confirmed exoplanet, per the NASA Exoplanet database.
