Confirmed exoplanet · Database record + computed analysis
KOI-351 g
A confirmed world orbiting KOI-351, 2,766.6 light-years away.
A Neptune-class world
7.72 Earth radii, in the ice-giant size range. At only 15.0 Earth masses for that size, it must be substantially gas or volatile ices: puffy, not rocky.
The orbit
Its year takes 211 Earth days (0.6 Earth years).
Temperature and starlight
Its equilibrium temperature (the airless-world estimate) is about 69 °C. It receives 3.4 times the starlight Earth gets.
Its sun
Its star is hotter than the Sun (6,031 K), burning brighter and faster. It shares the system with 7 other known planets.
How far is that, really?
At 2,767 light-years, tonight's light from this system left it around the year -740. A Voyager-speed probe would need roughly 48,948,936 years to get there.
How we found it
It was found by the transit method: the planet crosses its star's face on schedule, dimming it by a tiny, repeating fraction. The dip's depth gives the planet's size. The discovery was announced in 2013 from Kepler.
Everything above is computed from the archive’s measured values for this planet. Where a quantity is missing, the statement is omitted rather than guessed.
About this record
The measured values come from the NASA Exoplanet Archive, and any missing value has not been determined yet; the Atlas never fills gaps with guesses. More standout worlds: Proxima b, TRAPPIST-1e, K2-18 b, 55 Cancri e, and the detection methods that found them all.