Exoplanet
HIP 90988 b
306.7 light-years
The archive flags this planet’s confirmation as questioned in the literature.
- Discovery
- Radial Velocity · 2021
- Radius
- 13.4 Earth radii
- Mass
- 668.0753 (+25.1084 / −27.0154) Earth masses
- Orbital period
- 455.7382 (+2.1141 / −1.8894) days
- Semi-major axis
- 1.36 (+0.026 / −0.027) AU
- Equilibrium temperature
- 400.77 (+6.42 / −6.42) K
- Mass provenance
- Msini
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