KOI-4777.01
A confirmed exoplanet orbiting KOI-4777.
Compared with Earth
- Size
- About 51% of Earth's width.
- Mass
- About 99 times Earth's mass.
- Temperature
- About 907 °C (1,664 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 320 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 9.9 hours.
Planet
- Radius
- 0.51 × Earth
- Mass
- 99.2 × Earth
- Density
- Unknown
- Equilibrium temperature
- 1,180 K
- Starlight received
- 320 × Earth
- Orbital period
- 0.412 days
- Average distance from its star
- 0.008 AU
Star
- Host star
- KOI-4777
- Spectral class
- M — red dwarf
- Surface temperature
- 3,515 K
- Radius
- 0.4 × Sun
- Mass
- 0.41 × Sun
- Age
- 4 billion years
System
- Distance from Earth
- 561.8 light-years (172.2 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2022
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.