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alf Ari b
Orbiting alf Ari, discovered in 2010 (7515) by Bohyunsan Optical Astronomical Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 572.07 M⊕ |
| Orbital period | 380.80 Earth days (~1.0 Earth years) |
| Orbital eccentricity | 0.250 |
| Equilibrium temperature | Unknown |
Host star — alf Ari
| Temperature | 4553 K (4280 °C) |
| Radius | 13.90 R☉ |
| Mass | 1.50 M☉ |
Location
| Distance from Earth | 20.2 pc (~66 light-years) |
| Right ascension / Declination | 31.7933 / 23.4624 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.