The K2-277 system contains 1 exoplanet. It is located 368.96 light years away from the solar system.
| Mass | 1.02 solar masses | 
| Radius | 0.97 solar radiae | 
| Temperature | 5741 kelvin | 
| Stellar Metallicity | 0.11 decimal exponent | 
| Age | - billion years | 
With a mass below 5 Earth masses, a density of 3.06, and a semi-major axis of 0.0675 astronomical units, K2-277 b could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.940 Earth masses | 
| Density | 3.060 grams per cubic centimeter | 
| Radius | 2.070 Earth radiae | 
| Semi-major Axis | 0.0675 AU | 
| Eccentricity | NaN | 
| Orbital Period | 6.327 days | 
| Discovery Method | Transit | 
| Discovery Facility | K2 | 
| Discovery Telescope | 0.95 m Kepler Telescope | 
| Discovery Instrument | Kepler CCD Array | 
| Discovery Date | 2018-12 | 
| Reference | Livingston et al. 2018 |