The LTT 1445 A system contains 2 exoplanets. It is located 22.40 light years away from the solar system.
| Mass | 0.26 solar masses |
| Radius | 0.27 solar radiae |
| Temperature | 3340 kelvin |
| Stellar Metallicity | -0.34 decimal exponent |
| Age | - billion years |
At 2.872 Earth masses, LTT 1445 A 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 | 2.870 Earth masses |
| Density | 7.100 grams per cubic centimeter |
| Radius | 1.305 Earth radiae |
| Semi-major Axis | 0.03813 AU |
| Eccentricity | 0.11 |
| Orbital Period | 5.359 days |
| Discovery Method | Transit |
| Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery Telescope | 0.1 m TESS Telescope |
| Discovery Instrument | TESS CCD Array |
| Discovery Date | 2019-10 |
| Reference | Winters et al. 2019 |
At 1.542 Earth masses, LTT 1445 A c 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 | 1.540 Earth masses |
| Density | 5.570 grams per cubic centimeter |
| Radius | 1.147 Earth radiae |
| Semi-major Axis | 0.02661 AU |
| Eccentricity | 0.223 |
| Orbital Period | 3.124 days |
| Discovery Method | Transit |
| Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery Telescope | 0.1 m TESS Telescope |
| Discovery Instrument | TESS CCD Array |
| Discovery Date | 2021-07 |
| Reference | Winters et al. 2021 |