The OGLE-2017-BLG-1691L system contains 1 exoplanet. It is located 23776.77 light years away from the solar system.
| Mass | 0.45 solar masses |
| Radius | 0.32 solar radiae |
| Temperature | - kelvin |
| Stellar Metallicity | - decimal exponent |
| Age | - billion years |
At more than 10 Earth masses, OGLE-2017-BLG-1691L 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 | 14.620 Earth masses |
| Density | 1.330 grams per cubic centimeter |
| Radius | 3.920 Earth radiae |
| Semi-major Axis | 2.41 AU |
| Eccentricity | NaN |
| Orbital Period | NaN days |
| Discovery Method | Microlensing |
| Discovery Facility | OGLE |
| Discovery Telescope | 1.3 m Warsaw University Telescope |
| Discovery Instrument | OGLE CCD Array |
| Discovery Date | 2022-08 |
| Reference | Han et al. 2022 |