The KMT-2019-BLG-1339L system contains 1 exoplanet. It is located 19960.75 light years away from the solar system.
| Mass | 0.48 solar masses | 
| Radius | 0.32 solar radiae | 
| Temperature | - kelvin | 
| Stellar Metallicity | - decimal exponent | 
| Age | - billion years | 
At more than 50 Earth masses, KMT-2019-BLG-1339L b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 397.000 Earth masses | 
| Density | 0.848 grams per cubic centimeter | 
| Radius | 13.700 Earth radiae | 
| Semi-major Axis | 2.15 AU | 
| Eccentricity | NaN | 
| Orbital Period | NaN days | 
| Discovery Method | Microlensing | 
| Discovery Facility | KMTNet | 
| Discovery Telescope | 1.6 m wide-field telescope | 
| Discovery Instrument | 18k Mosaic CCD camera | 
| Discovery Date | 2020-08 | 
| Reference | Han et al. 2020 |