The MOA-2011-BLG-291L system contains 1 exoplanet. It is located 14350.86 light years away from the solar system.
| Mass | 0.15 solar masses |
| Radius | 0.13 solar radiae |
| Temperature | - kelvin |
| Stellar Metallicity | - decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, MOA-2011-BLG-291L b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 18.000 Earth masses |
| Density | 1.140 grams per cubic centimeter |
| Radius | 4.430 Earth radiae |
| Semi-major Axis | 0.69 AU |
| Eccentricity | NaN |
| Orbital Period | NaN days |
| Discovery Method | Microlensing |
| Discovery Facility | MOA |
| Discovery Telescope | 1.8 m MOA Telescope |
| Discovery Instrument | MOA CCD Array |
| Discovery Date | 2018-09 |
| Reference | Bennett et al. 2018 |