Kepler-721 b
A confirmed exoplanet orbiting Kepler-721.
Compared with Earth
- Size
- About 2.6 times Earth's width.
- Year
- A year here lasts about 5.4 Earth days.
Planet
- Radius
- 2.64 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- Unknown
- Starlight received
- Unknown
- Orbital period
- 5.392 days
- Average distance from its star
- Unknown
Star
- Host star
- Kepler-721
- Spectral class
- K — orange dwarf
- Surface temperature
- 5,075 K
- Radius
- 0.78 × Sun
- Mass
- 0.82 × Sun
- Age
- 4.9 billion years
System
- Distance from Earth
- 3,022 light-years (926.6 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2016
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.