Exoplanet
1RXS J160929.1-210524 b
453.8 light-years
- Discovery
- Imaging · 2008
- Radius
- 18.647 Earth radii
- Mass
- 3,000 (+300 / −300) Earth masses
- Orbital period
- Unknown
- Semi-major axis
- 330 AU
- Equilibrium temperature
- 1,700 (+100 / −100) K
- Mass provenance
- Mass
Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.
NASA archive record and references ↗
Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00