Gamma1 Leonis
Listed as gam1 Leo in the NASA Exoplanet Archive.
Gamma1 Leonis is a K1 IIIb Fe-0.5 star 130 light years away with 1 known planet. It was found in 2009. It has a companion star.
Open in 3DPlanets
| Planet | Orbital period | Distance from star | Radius (Earths) | Mass (Earths) | Found | Method |
|---|---|---|---|---|---|---|
| gam1 Leo b | 428.5 days | 1.19 AU | at least 2,790 | 2009 | Radial Velocity |
"At least" is a minimum mass. Radial velocity can only measure mass times the sine of the orbit's tilt.
Star
- Spectral type K1 IIIb Fe-0.5
- 4,330 K surface temperature
- 1.23 times the mass of the Sun
- 31.88 times the radius of the Sun
Data from the NASA Exoplanet Archive, as of October 3, 2026. In the 3D view sizes and distances are compressed and every orbit is drawn in the same plane. Where each planet sits along its orbit is made up.