What is eccentricity when the semimajor axis 20 aus?
Companion (in order from star) Mass Semimajor axis ( AU ) Orbital period ( s day ) Eccentricity Inclination
Epsilon Eridani
167664
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2-167664-1
Planetary system
The Epsilon Eridani system
Asteroid belt 3 AU 3 AU 3 AU 3 AU —
b (unconfirmed) 1.55 ± 0.24 MJ 3.38–3.50 2,502–2,630 0.25–0.702 —
Asteroid belt 20 AU 20 AU 20 AU 20 AU —
c (unconfirmed) 0.1 MJ 40? 102,270 0.3 —
Dust disk 35–100 AU 35–100 AU 35–100 AU 35–100 AU —
SELECT Eccentricity FROM table WHERE Semimajor axis ( AU ) = 20 au
20 au