The Kepler-898 system contains 1 exoplanet. It is located 1581.50 light years away from the solar system.
| Mass | 0.65 solar masses |
| Radius | 0.62 solar radiae |
| Temperature | 4223 kelvin |
| Stellar Metallicity | -0.06 decimal exponent |
| Age | 3.98 billion years |
At 2.827 Earth masses, Kepler-898 b is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 2.830 Earth masses |
| Density | 4.700 grams per cubic centimeter |
| Radius | 1.490 Earth radiae |
| Semi-major Axis | 0.0545 AU |
| Eccentricity | 0 |
| Orbital Period | 5.871 days |
| Discovery Method | Transit |
| Discovery Facility | Kepler |
| Discovery Telescope | 0.95 m Kepler Telescope |
| Discovery Instrument | Kepler CCD Array |
| Discovery Date | 2016-05 |
| Reference | Morton et al. 2016 |