Epsilon Eridani - Planetary System

Planetary System

The Epsilon Eridani system
Companion
 Mass Semimajor axis
 Orbital period
 Eccentricity Radius
Asteroid belt 3 AU
b 1.55 ± 0.24 MJ 3.38–3.50 2,502–2,630 0.25–0.702 —
Asteroid belt 20 AU
c 0.1 MJ 40? 102,270 0.3 —
Dust disk 35–100 AU
Comparison of the planets and debris belts in the Solar System to the Epsilon Eridani system. At the top is the asteroid belt and the inner planets of the Solar System. Second from top is the proposed inner asteroid belt and planet b of Epsilon Eridani. The lower illustrations show the corresponding features for the two stars' outer systems.

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