The HD 180902 system contains 1 exoplanet. It is located 341.08 light years away from the solar system.
| Mass | 1.41 solar masses |
| Radius | 4.16 solar radiae |
| Temperature | 4961 kelvin |
| Stellar Metallicity | 0.04 decimal exponent |
| Age | 2.8 billion years |
At more than 50 Earth masses, HD 180902 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 535.544 Earth masses |
| Density | 1.200 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 1.4 AU |
| Eccentricity | 0.107 |
| Orbital Period | 510.900 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2010-05 |
| Reference | Johnson et al. 2010 |