HD 143811 A is 446 light-years from the Sun. The NASA Exoplanet Archive lists 1 planet around this 6,791 K star; the first was found in 2025 by imaging (Paranal Observatory).
Fly there in 3DHD 143811 AB b was photographed directly: it is one of the few exoplanets seen as its own point of light rather than inferred from its star.
HD 143811 A is one of 2 stars in its system. The position of the other star is not catalogued, so only HD 143811 A and its planets are drawn.
| Surface temperature | 6,791 K |
| Mass | 1.32 solar masses |
| Radius | 1.68398 solar radii |
| Luminosity | 4.375 times the Sun |
| Apparent magnitude | 8.91 |
| Age | about 0.018 billion years |
| Distance from the Sun | 445.6 light-years (136.6 parsecs) |
| Position (J2000) | RA 240.8892°, Dec -30.1372° |
| Constellation | Lupus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| HD 143811 AB b | 320.3 years | 63.000 AU | 15.693 R⊕ | 1938.8 M⊕ | Imaging, 2025 |
Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.